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Table of Contents

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 ______________________________

 

Form 10-K

 

(Mark One)

☒

ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

 

For the fiscal year ended: December 31, 2023

 

OR

 

☐

TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

 

For the transition period from                      to                     

 

Commission File Number 001-33059

______________________________

 Fuel Tech, Inc.

(Exact name of registrant as specified in its charter)

 ______________________________

 

Delaware

 

20-5657551

(State of Incorporation)

 

(I.R.S. ID)

 

Fuel Tech, Inc.

27601 Bella Vista Parkway

Warrenville, IL 60555-1617

(630) 845-4500

www.ftek.com

 

Securities registered pursuant to Section 12(b) of the Act:

 

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock

FTEK

NASDAQ

 

Securities registered pursuant to Section 12(g) of the Act: NONE

______________________________

 

 

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.    Yes  ☐    No  ☒

 

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Exchange Act.    Yes  ☐    No  ☒

 

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  ☒    No  ☐

 

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).    Yes  ☒    No  ☐

 

 
Table of Contents

 

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

 

Large Accelerated Filer

 

☐

 

Accelerated Filer

☐

    

Non-accelerated Filer

 

☒

 

Smaller reporting company

☒

      

Emerging growth company

 

☐

   

 

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.   ☐

 

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.    ☐

 

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financials statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements.    ☐

 

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant's executive officers during the relevant recovery period pursuant to (§240.10D-1(b).    ☐

 

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ☐    No  ☒

 

As of June 30, 2023, the aggregate market value of the registrant's common stock held by non-affiliates of the registrant was approximately $34,658,691 based on the closing sale price as reported on the NASDAQ National Market System.

 

As of February 28, 2024, there were 30,385,297 shares of common stock outstanding.

 

Documents incorporated by reference:

 

Portions of the registrant's definitive Proxy Statement for the 2024 Annual Meeting of Shareholders, which will be filed no later than 120 days after the close of the registrant's fiscal year ended December 31, 2023, are incorporated by reference into Part III of this report.

 

 

 
Table of Contents

 

 

TABLE OF CONTENTS

 

 

   

Page
     
 

PART I

  
     

Item 1.

Business

 3

Item 1A.

Risk Factors

 7

Item 1B.

Unresolved Staff Comments

 9
Item 1C. Cybersecurity 9

Item 2.

Properties

 9

Item 3.

Legal Proceedings

 9

Item 4.

Mine Safety Disclosures

 9
     
 

PART II

  
     

Item 5.

Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchase of Equity Securities

 10

Item 6.

Reserved

 10

Item 7.

Management’s Discussion and Analysis of Financial Condition and Results of Operations

 10

Item 7A.

Quantitative and Qualitative Disclosures about Market Risk

 14

Item 8.

Financial Statements and Supplementary Data

 15

Item 9.

Changes in and Disagreements with Accountants on Accounting and Financial Disclosure

 40

Item 9A.

Controls and Procedures

 40

Item 9B.

Other Information

 40
     
 

PART III

  
     

Item 10.

Directors, Executive Officers and Corporate Governance

 41

Item 11.

Executive Compensation

 41

Item 12.

Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

 41

Item 13.

Certain Relationships and Related Transactions, and Director Independence

 41

Item 14.

Principal Accountant Fees and Services

 41
     
 

PART IV

  
   

 

Item 15.

Exhibits and Financial Statement Schedules

 42
Item 16. Form 10-K Summary 43

 

  

Signatures and Certifications

 44

 

 
Table of Contents

 

 
 

TABLE OF DEFINED TERMS

 

 

Term

  

Definition

AIG

  

Ammonia Injection Grid

APC

  

Air Pollution Control Technology

ASCR®

  

A trademark used to describe our Advanced Selective Catalytic Reduction process
BACT   Best Available Control Technology
BREF   Best Available Reference Technology. European emission requirements

CFD

  

Computational Fluid Dynamics
CKM   Chemical Kinetics Modeling
DGI®   Dissolved Gas Infusion

EPA

  

The United States Environmental Protection Agency

ESP

  

Electrostatic Precipitator

FGC

  

Flue Gas Conditioning

FUEL CHEM®

  

A trademark used to describe our fuel and flue gas treatment processes, including its TIFI® Targeted In-Furnace Injection™ technology to control slagging, fouling, corrosion and a variety of sulfur trioxide-related issues

GSG™

  

Graduated Straightening Grid

HERT™ High Energy Reagent Technology™

  

A trademark used to describe one of our SNCR processes for the reduction of NOx

I-NOx®

  

Systems can include SNCR components along with SCR technology, which includes AIG and GSG™ system

NOx

  

Oxides of nitrogen

NOxOUT®

  

A trademark used to describe one of our SNCR processes for the reduction of NOx

SCR

  

Selective Catalytic Reduction

SNCR

  

Selective Non-Catalytic Reduction

TIFI® Targeted In-Furnace Injection™

  

A trademark used to describe our proprietary technology that enables the precise injection of a chemical reagent into a boiler or furnace as part of a FUEL CHEM program

UDI™

  

Urea Direct Injection as the process to provide urea reagent directly into a duct for SCR applications

ULTRA®

  

A trademark used to describe our process for generating ammonia for use as a Selective Catalytic Reduction reagent

 

1
Table of Contents
fts01.jpg

 

2
Table of Contents

 

PART I

 

Forward-Looking Statements

 

This Annual Report on Form 10-K contains “forward-looking statements,” as defined in Section 21E of the Securities Exchange Act of 1934, as amended, that are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995 and reflect our current expectations regarding our future growth, results of operations, cash flows, performance and business prospects, and opportunities, as well as assumptions made by, and information currently available to, our management. We have tried to identify forward-looking statements by using words such as “anticipate,” “believe,” “plan,” “expect,” “intend,” “will,” and similar expressions, but these words are not the exclusive means of identifying forward-looking statements. 

 

For us, particular uncertainties that could cause our actual results to be materially different than those expressed in our forward-looking statements include:

 

 

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our success in winning new contract awards;
 

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global economic and geopolitical conditions and related impacts, including spending and demand for our products and global supply chain disruptions and price inflation, will continue to adversely impact our business operations, financial performance, results of operations, financial position, the prices of our securities and the achievement of our strategic objectives;
 

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changes in macroeconomic and market conditions and market volatility, including inflation, interest rates, and the impact of such changes and volatility on our customer’s financial position and businesses;
 

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the amount and timing of our cash flows and earnings, which may be impacted by customer, supplier, competitive, contractual and other dynamics and conditions;
 

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market developments or customer actions that may affect demand and the financial performance of major industries and customers we serve, such as secular, cyclical and competitive pressures in the electric power industry; pricing, the timing of customer investment and other factors in energy markets; and other shifts in the competitive landscape for our products and services;
 

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operational execution by our businesses, including our success in improving operational performance;
 

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changes in law, regulation or policy that may affect our businesses;
 

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our decisions about investments in research and development, and new products, services and platforms, and our ability to launch new products in a cost-effective manner;
 

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our ability to increase margins through implementation of operational changes, restructuring and other cost reduction measures;
 

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the impact of actual or potential failures of our products or third-party products with which our products are integrated, and related reputational effects;
 

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the impact of potential information technology, cybersecurity or data security breaches at our company or third parties; and
 

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the other factors that are described in "Risk Factors" in this form 10-K report.

 

These or other uncertainties may cause our actual future results to be materially different than those expressed in our forward-looking statements. We do not undertake to update our forward-looking statements. This document includes certain forward-looking projected financial information that is based on current estimates and forecasts. Actual results could differ materially.

 

ITEM 1 - BUSINESS

 

As used in this Annual Report on Form 10-K, the terms “we,” “us,” or “our,” refer to Fuel Tech, Inc. and our wholly owned subsidiaries.

 

GENERAL

 

We are a leading technology company engaged in the worldwide development, commercialization and application of state-of-the-art proprietary technologies for air pollution control, process optimization, water treatment and advanced engineering services. These technologies enable our customers to operate efficiently in a cost-effective and environmentally sustainable manner.

 

 

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The Company’s nitrogen oxide (NOx) reduction technologies include advanced combustion modification techniques and post-combustion NOx control approaches, including NOxOUT®, HERT™ High Energy Reagent Technology™, and Advanced Selective Non-Catalytic Reduction (SNCR) systems, ASCR® Advanced Selective Catalytic Reduction systems, and I-NOx® Integrated NOx Reduction Systems, which utilize various combinations of these systems, along with the UDI™ Urea Direct Injection system for Selective Catalytic Reduction (SCR) reagent supply, and the ULTRA® process for safe ammonia generation.  These technologies have established Fuel Tech as a leader in NOx reduction, with installations on over 1,300 units worldwide.

 

 

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Fuel Tech’s Air Pollution Control (APC) technologies include particulate control with Electrostatic Precipitator (ESP) products and services with experience on units up to 700 MW.  Flue gas conditioning (FGC) systems include treatment using sulfur trioxide (SO3) and ammonia-based conditioning to improve the performance of ESPs by modifying the properties of fly ash particles. Fuel Tech’s particulate control technologies have been installed on more than 125 units worldwide.

 

 

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Our FUEL CHEM technologies revolve around the unique application of chemical injection programs which improve the efficiency, reliability, fuel flexibility, boiler heat rate and environmental status of combustion units by controlling slagging, fouling, corrosion, opacity and acid plume, as well as the formation of sulfur trioxide, ammonium bisulfate, particulate matter, sulfur dioxide, and carbon dioxide. We use our proprietary TIFI® Targeted In-Furnace Injection™ processes to apply specialty chemical programs to units burning a wide variety of fuels including coal, heavy oil, biomass, and municipal waste. These TIFI® programs incorporate design, modeling, equipment, reagent, and service to provide complete customized on-site programs designed to improve plant operations and provide a return on investment in addition to helping meet emission regulatory requirements.

 

 

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 Water treatment technologies include DGI® Dissolved Gas Infusion Systems which utilize a patent-pending channel injector and a patented saturator to provide a competitive advantage over conventional water and wastewater treatment by infusing oxygen, carbon dioxide or other gases into water.  An innovative alternative to current technologies among other applications, DGI® systems can deliver supersaturated oxygen solutions and other gas-water combinations to target process applications or environmental issues.  This infusion process has a variety of applications in the water and wastewater segments, including irrigation, treatment of natural waters, aquaculture, supply of oxygen for biological remediation, wastewater odor management, pH adjustment, re-carbonization, and alkalinity control, etc.  DGI® technology benefits include improved treatment performance and reduced treatment time, and the potential for reduced energy consumption, along with lower installation and operating costs.  The DGI® technology is currently in the demonstration phase and we expect additional revenue generating demonstrations and opportunities throughout 2024. Third party validation testing of the efficiency of transferring oxygen to a treatment basin has been completed and results have been published.

 

Many of our products and services rely heavily on our Computational Fluid Dynamics (CFD) and Chemical Kinetics Modeling (CKM) capabilities, which are enhanced by internally developed, high-end visualization software.  These capabilities, coupled with our innovative technologies and multi-disciplined team approach, enable us to provide practical solutions to some of our customers' most challenging issues.

 

 

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AIR POLLUTION CONTROL (APC)

 

Regulations and Markets: Domestic

 

The future growth of our APC technology segment is dependent upon the adoption and enforcement of environmental regulations in the United States (U.S.) and globally. In the U.S., federal and state laws regulating the emission of NOx are the primary driver in our APC technology segment. The principal regulatory drivers currently in effect are as follows:

 

Clean Air Act (CAA): The CAA requires the U.S. Environmental Protection Agency (EPA) to establish national ambient air quality standards (NAAQS) at levels that are protective of public health with an adequate margin of safety. The six pollutants specified include: Ozone, Particulate Matter, Nitrogen Dioxide, Sulfur Dioxide, Lead, and Carbon Monoxide. The NAAQS provisions require that states comply with ozone and particulate emissions standards. NOx emissions are a precursor to ozone formation and also contribute to fine particulate emissions. Since 1990, EPA rules and programs have been established at the regional and federal level to help states in their mission to define and meet their State Implementation Plans for attainment. The NAAQS ground-level ozone standards that were issued in 1997 were made more stringent in 2008 and again in 2015. The EPA has kept the 2020 NAAQS ozone standard at 70 parts per billion, the same limit as 2015. 

 

In March 2023, EPA issued a Federal Implementation Plan (FIP) to address NOx emissions from upwind sources on downwind states.  The issuance of the FIP was proceeded by the EPA’s rejection of the proposed State Implementation Plans (SIPs) submitted by many of the upwind states pursuant to the CAA.  The issuance of the FIP, which was made pursuant to the Good Neighbor provision of the CAA, is likely to require a significant number of upwind sources to provide additional NOx controls to help downwind states meet the 2020 ozone NAAQS requirements starting in 2024 for utility power units and starting in 2026 for industrial sources.  Nevertheless, the ultimate timing of the effectiveness of the FIP is uncertain because several upwind affected states and sources have challenged the EPA’s rejection of the SIPs in court, and stays of the effectiveness of the FIP have been issued for many upwind states.  Fuel Tech will monitor the potential impact on these upcoming NOx emission requirements.

 

Clean Air Visibility Rule (CAVR): The CAVR, also known as the Regional Haze rule, is part of the Clean Air Act and was finalized in 2005. Under CAVR, certain States are required to submit implementation plans to the EPA to comply with the Regional Haze requirements, and updates are required every five years. A new CAVR was issued in January 2017 which requires states to implement new air pollution controls implementation plans in 2021 and 2022. NOx emissions contribute to ground level ozone which can contribute to localized haze, and many State Implementation Plans (SIP) are addressing NOx reduction as part of CAVR compliance. Environmental organizations have filed lawsuits against EPA for failure to approve SIPs for the second round of CAVR compliance which is required prior to 2028.  The overall obligation of CAVR is to return the U.S. scenic areas to “active” visibility by 2064.

 

New Unit Permits:  New gas fired units for both electricity generation and industrial use will require Best Available Control Technology (BACT) as a permit requirement. SCR technology is very often BACT for NOx, and these permit requirements generate new market opportunities.

 

Consent Decrees: Consent decree activity through the U.S. Department of Justice or EPA may require emission sources to meet individual requirements. Sources may also agree to specific air pollution requirements with states or environmental groups.

 

Regulations and Markets: International

 

We also sell air pollution control systems outside the U.S., specifically in Europe, South Africa, South America, India (under a license agreement) and in the Pacific Rim. The demand for our technologies comes from specific governmental regulations in NOx and particulate matter emission limits which vary by country. We expect that there will be further opportunities to implement our technologies globally in established as well as new geographies in 2024.

 

The European Union’s Best Available Reference Technology (BREF) emission guidelines continue to be implemented gradually starting from large utility boilers down to small industrial units. The last major update of the BREF guidelines reduced NOx limit values by up to 25% which in some cases required an upgrade of the first-generation NOx abatement systems. That has presented new opportunities for Fuel Tech, especially on biomass and waste incineration plants. New system opportunities are also being identified and followed in chemical production and petrochemical industries. European engineering companies are supplying power generation and flue gas treatment systems to industrial and utility customers globally. Middle Eastern countries, especially Saudi Arabia have become a major focus for these companies due to the local initiatives for reducing pollution and improving tourism.  Fuel Tech’s NOx control technologies can be integrated into both new and existing combustion systems supplied into this market.

 

In South Africa, the state-owned utility Eskom and metallurgical companies are continuing with refurbishing aging ESPs and adding FGC technology to further improve ESP performance. Fuel Tech is well placed to compete for this business with our local partner Lesedi.

 

Brazil’s Sau Paulo state has announced stricter NOx emission requirements which will impact local cement, steel and glass production industries.  Fuel Tech has established local partnerships to bring our SNCR, SCR and FGC technologies to this market.

 

The Indian government has prioritized sulfur oxide treatment over NOx abatement in the refurbishment of thermal power units.  However, new biomass fired boilers are expected to be outfitted with SNCR technology.  Particulate matter emission reductions continue to be an area of focus in the country and that presents an ongoing opportunity for Fuel Tech’s FGC technology. These technologies will be implemented through a collaboration with our local partner ISGEC.

 

In Southeast Asia, particulate emissions from poor performing ESPs are being addressed. Power generators in several countries like Vietnam, Thailand, Malaysia and the Philippines are actively looking for corrective options. In Taiwan, there is a push to convert coal fired units to burn biomass and projects are being approved. This presents Fuel Tech with opportunities to bring our ASNCR, SCR, Ultra and FGC technologies to these markets through local companies.

 

 

 

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Products

 

Our NOx reduction and particulate control technologies are installed worldwide on over 1,300 combustion units, including utility, industrial and municipal solid waste applications.  Our products include customized NOx control systems and our patented ULTRA® technology, which converts urea-to-ammonia on site and provides safe reagent for use in SCR systems.

 

 

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SCR Systems and Services: Our SCR systems control NOx emissions from industrial and utility sources including boilers, incinerators, kilns, reformers and many other types of heat recovery equipment firing coal, natural gas, oil, and a variety of process gases and waste fuels. The SCR systems typically include urea or ammonia storage and delivery subsystems, reagent injection systems in the form of an Ammonia Injection Grid (AIG), catalyst reactor vessel and SCR catalyst.  In addition, other related services, including start-ups, maintenance support and general consulting services for SCR systems, AIG design and tuning to help optimize catalyst performance, and catalyst management services to help optimize catalyst life, are now offered to customers around the world. We also specialize in CFD models, which simulate fluid flow by generating a virtual replication of real-world geometry and operating inputs. We design flow corrective devices, such as turning vanes, ash screens, static mixers and our patented GSG™ Graduated Straightening Grid. Our SCR systems utilize urea or ammonia as the SCR catalyst reagent to achieve NOx reductions of up to 90% from industrial combustion sources.

 

 

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ULTRA® Technology: Our ULTRA® process is designed to convert urea to ammonia safely and economically for use as a reagent in the SCR process for NOx reduction.  Recent local objections in the ammonia permitting process have raised concerns regarding the safety of ammonia shipment and storage in quantities sufficient to supply SCR.  In addition, the Department of Homeland Security has characterized anhydrous ammonia as a Toxic Inhalation Hazard commodity.   The safe conversion of urea to ammonia just prior to injection into the flue gas duct is particularly important near densely populated cities, major waterways, harbors or islands, or where the storage or transport of anhydrous or aqueous ammonia is a safety concern.  UDI™ Urea Direct Injection systems utilize direct injection of urea reagent without the need for an ammonia injection grid.

 

 

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SNCR Systems:  Our NOxOUT® and HERT™ SNCR processes use urea or ammonia reagent injected into a variety of combustion furnaces to reduce NOx by up to 25% - 50% for utilities and by potentially significantly greater amounts for industrial units.  Capital costs ranging from $5 - $20/kW for utility boilers and with total annualized operating costs range from $1,000 - $2,000/ton of NOx removed. Advanced SNCR systems are also available to improve performance and minimize reagent costs through in-furnace monitoring and an advanced control system.

 

 

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I-NOx® Systems: Our I-NOx® systems can include SNCR components combined with SCR technology. Together, these systems provide up to 90% NOx reduction at significantly lower capital and operating costs than conventional SCR systems while providing greater operational flexibility to plant operators.  The capital costs for I-NOx® systems can range from $30 - $150/kW depending on boiler size and configuration, which is significantly less than that of conventional SCRs, which can cost $300/kW or more, while operating costs are competitive with those experienced by conventional SCR systems.

 

 

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ESP Processes and Services: ESP technologies for particulate control include ESP products and services including ESP Inspection Services, Performance Modeling, and Performance and Efficiency Upgrades, along with engineering capability for ESP retrofits. FGC systems include treatment using sulfur trioxide (SO3) and ammonia-based systems to improve the performance of ESPs by modifying the properties of fly ash particles.  Our ULTRA® technology can provide the ammonia system feed requirements for FGC applications as a safe alternative to ammonia reagent-based systems. FGC systems offer a lower capital cost approach to improving ash particulate capture versus the alternative of installing larger ESPs or utilizing fabric filter technology to meet targeted emissions and opacity limits.  Fuel Tech’s particulate control technologies have been installed on more than 125 units worldwide.

 

A market factor for the APC product line is the continued use of coal and natural gas and the growth of biomass for global electricity production.  The growth of natural gas in the U.S. for industrial applications has increased the need for SCR technology since it often meets the definition of BACT and is required on new industrial units.

 

Sales of APC products were $13.5 million and $10.6 million for the years ended December 31, 2023 and 2022, respectively.

 

APC Competition

 

Competition with our products may be expected from companies supplying SCR Systems, SNCR systems, ESP retrofits and FGC technologies. In addition, we experience competition in the urea-to-ammonia conversion market.

 

The SCR process is an effective and proven method of control for removal of NOx up to 90%. SCR systems have a high capital cost of $300+/kW on retrofit coal applications. Companies including Babcock Power, Babcock & Wilcox (B&W) Company, CECO Environmental and Mitsubishi are active SCR system and reagent feed system providers.

 

The use of both urea and ammonia as the reagent for the SNCR process can reduce NOx by 30% - 70%, depending on a number of factors. Ammonia can be effective on incinerators and on Circulating Fluidized Bed combustion units, but has limited applicability for most utility boilers, where urea is dominant. The ammonia-based systems utilize either anhydrous or aqueous ammonia, both of which are hazardous substances. Competitors for ammonia based SNCR include CECO Environmental, B&W, and Yara, with CECO Environmental and B&W for urea based SNCR systems.

 

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ESP retrofit competitors include B&W and Southern Environmental. FGC competition includes Chemithon, Inc.

 

Lastly, with respect to urea-to-ammonia conversion technologies, our controlled urea decomposition system competes with ammonia based processes. 

 

APC Backlog

 

Consolidated APC segment backlog at December 31, 2023 was $7.5 million versus backlog at December 31, 2022 of $8.2 million. The Company expects to recognize revenue on approximately $7.4 million of the backlog over the next 12 months.

 

FUEL CHEM

 

Product and Markets

 

The FUEL CHEM® technology segment revolves around the unique application of specialty chemicals to improve the efficiency, reliability and environmental status of plants operating in the electric utility, industrial, pulp and paper, waste-to-energy, university and district heating markets.  FUEL CHEM programs are currently in place on combustion units in North America, Mexico and Europe, treating a wide variety of solid and liquid fuels, including coal, heavy oil, black liquor, biomass and municipal waste.

 

Central to the FUEL CHEM approach is the introduction of chemical reagents, such as magnesium hydroxide, to combustion units via in-body fuel application (pre-combustion) or via direct injection (post-combustion) utilizing our proprietary TIFI® technology.  By attacking performance-hindering problems, such as slagging, fouling and corrosion, as well as the formation of sulfur trioxide (SO3), and ammonium bisulfate, our programs offer numerous operational, financial and environmental benefits to owners of boilers, furnaces and other combustion units.

 

A key market factor for this product line is the continued use of coal for global electricity production. In 2023, coal accounted for approximately 14% of all U.S. electricity generation and roughly 36% of global electricity generation. Major coal consumers include the U.S., China and India. Additional market dynamics include a growing, worldwide utilization of biomass for both steam and electrical production, and the continued use of heavy fuel oil for power generation. The principal markets for this product line are electric power plants burning coals with slag-forming constituents such as sodium, iron and high levels of sulfur. Sodium is typically found in the Powder River Basin coals of Wyoming and Montana. High sulfur content can give rise to unacceptable levels of SO3 formation especially in plants with SCR systems and flue gas desulphurization units (scrubbers).  As coal units strive to compete in electricity supply markets, lower cost, higher slagging fuels can create more operational challenges which TIFI® Programs can help mitigate. The current Mexican government is utilizing more indigenous fuel sources for power generation because the international market for high sulfur fuel oil (what Mexico produces) has been significantly reduced with the adoption of the new International Maritime Organization restrictions. Fuel Tech’s TIFI® systems can help with SO3 mitigation at these oil-fired power generation units.

 

The combination of slagging coals and SO3-related issues, such as “blue plume” formation, air pre-heater fouling and corrosion, SCR fouling and the proclivity to suppress certain mercury removal processes, represents an attractive market potential for Fuel Tech.

 

Sales of the FUEL CHEM products were $13.6 million and $16.3 million, for the years ended December 31, 2023 and 2022, respectively.

 

Competition

 

Competition for our FUEL CHEM product line includes chemicals sold by specialty chemical companies, such as Imerys, Environmental Energy Services, Inc., and SUEZ Water Technologies. No technologically comparable substantive competition currently exists for our TIFI® technology, which is designed primarily for slag control and SO3 abatement, but there can be no assurance that such lack of substantive competition will continue.

 

INTELLECTUAL PROPERTY

 

We own 38 granted patents worldwide including 13 US patents and 25 non-US patents. We have six patent applications pending: including four in the U.S. and two in non-U.S. jurisdictions. These patents and applications cover some 44 inventions, 22 associated with our NOx reduction business, 13 associated with the FUEL CHEM business, and nine associated with water treatment. Our granted patents have expiration dates ranging from March of 2024 to February of 2041.

 

Management believes that the protection provided by the numerous claims in the above referenced patents or patent applications is substantial and affords us a significant competitive advantage in our business. Accordingly, any significant reduction in the protection afforded by these patents or any significant development in competing technologies could have a material adverse effect on our business.

 

EMPLOYEES

 

At December 31, 2023, we had 72 employees, 68 in North America, and four in Europe. We enjoy good relations with our employees and are not a party to any labor management agreement.

 

HUMAN CAPITAL RESOURCES

 

We believe our employees are our most valuable asset and we endeavor to provide a safe, inclusive, high-performance culture where our people can thrive. As such, we continually work to recruit, develop, engage, train and protect our employees. The following are key human capital measures and objectives on which we currently focus.

 

    Employee Total Compensation and Benefits Philosophy. We provide access to benefits and offer programs that support work-life balance and overall well-being, including financial, physical and mental health resources, such as those listed below.

 

 

Financial

  

Health and Wellness

  

Work-Life Balance

Competitive Base Pay

  

Medical, Dental and Vision Benefits

  

Paid time off, paid holidays and jury duty pay

Corporate Objectives Plan (Potential Annual Bonus Based on Achievement of Qualitative Milestones)

  

Flexible Spending Accounts and Health Savings Accounts

  

Paid Parental Leave (maternity, paternity, adoption)

Corporation Incentive Plan (Potential Annual Bonus Based on Company’s Achievement of Operating Income)

  

On-site and complimentary Vaccinations

  

Employee Assistance Program (mental health, legal, financial services)

401(k) Retirement Savings Plan with Company Match (Traditional and Roth)

      

Flexible Work Arrangements

Life Insurance

      

Tuition Reimbursement

Short-term and Long-term Disability Insurance

      

Complimentary on-line learning and training

 

 

Commitment to Safe Working Environment.  All employees are required to understand and obey local laws, to report any suspected violations, and to act in accordance with our Code of Conduct.

 

Compensation Equity. We concluded a comprehensive pay equity analysis in 2022 encompassing all staff members and job levels. We believe we have made compensation adjustments to rectify compensation disparities. We also implemented hiring and promotional practices to support our goal of ensuring offers to new employees or to employees being promoted internally are aligned with the market and equitable on an internal basis. We plan to conduct additional comprehensive pay equity analyses at appropriate intervals going forward.

 

Talent Acquisition and Retention. We strive to attract, develop and retain high-performing talent, and we support and reward employee performance. Programs to strengthen our talent include an employee referral program, tuition reimbursement, continued training and development and succession planning. We prioritize employee engagement and transparency by implementing programs and processes to ensure our employees have opportunities to ask questions, voice concerns, and share feedback. This is accomplished in part by conducting employee satisfaction surveys as part of the annual review process, and quarterly town hall meetings. In 2023, our employee turnover rate was approximately 10%.

 

 

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AVAILABLE INFORMATION

 

We are a fully integrated company using a suite of advanced technologies to provide boiler optimization, efficiency improvement and air pollution reduction and control solutions to utility and industrial customers worldwide. Originally incorporated in 1987 under the laws of the Netherlands Antilles as Fuel-Tech N.V., we were domesticated in the United States on September 30, 2006, and continue as a Delaware corporation with our corporate headquarters at 27601 Bella Vista Parkway, Warrenville, Illinois, 60555-1617. Fuel Tech maintains an Internet website at www.ftek.com. Our Annual Report on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and any amendments to those reports filed or furnished pursuant to Section 13(a) of the Exchange Act are made available through our website as soon as reasonably practical after we electronically file or furnish the reports to the Securities and Exchange Commission. Our website also contains our Corporate Governance Guidelines and Code of Ethics and Business Conduct, as well as the charters of the Audit, Compensation, and Nominating and Corporate Governance committees of the Board of Directors. All of these documents are available in print without charge to stockholders who request them. Information on our website is not incorporated into this report.

 

ITEM 1A - RISK FACTORS

 

The following is a discussion of the material risk factors; however, they may not be the only risks that we may face. The risks described below should not be considered a complete list of potential risks that we face, and additional risks and uncertainties not currently known to us or that we currently consider immaterial may also negatively impact our business. If any of these risks develop into actual or expected events, our business, financial condition, results of operations or cash flows could be materially and adversely affected, and, as a result, the trading price of our common stock could decline. You should carefully consider the risk factors described below, together with the other information included in this Annual Report on Form 10-K, before you decide to invest in our securities. Please read the cautionary notice regarding forward-looking statements under the heading “Forward-Looking Statements.”

 

RISKS RELATED TO OUR PRODUCTS AND PRICING

 

Our Product Portfolio Lacks Diversification

 

We have two broad technology segments that provide advanced engineering solutions to meet the pollution control, efficiency improvement, and operational optimization needs of coal and natural gas-fired energy-related facilities worldwide. They are as follows:

 

 

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The Air Pollution Control technology segment includes technologies to reduce NOx emissions in flue gas generated by the firing of natural gas or coal from boilers, incinerators, furnaces and other stationary combustion sources. These include NOxOUT® and HERT™ SNCR systems, and SCR systems. Our SCR systems can also include AIG, and GSG™ systems to provide high NOx reductions at significantly lower capital and operating costs than conventional SCR systems. ULTRA® technology creates ammonia at a plant site using safe urea for use with any SCR application. ESP technologies make use of electrostatic precipitator products and services to reduce particulate matter. FGC systems are chemical injection systems offered in markets outside the U.S. and Canada to enhance electrostatic precipitator and fabric filter performance in controlling particulate emissions.

 

 

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The FUEL CHEM® technology segment which uses chemical processes in combination with advanced CFD and CKM boiler modeling for the control of slagging, fouling, corrosion, opacity and other sulfur trioxide-related issues in coal-fired furnaces and boilers through the addition of chemicals into the furnace using TIFI® Targeted In-Furnace Injection™ technology.

 

An adverse development in our advanced engineering solutions business as a result of competition, technological change, government regulation, customers converting to use natural gas or other fuels, or any other factor could have a significantly greater impact than if we maintained more diverse operations.

 

We Face Substantial Competition

 

Competition in the Air Pollution Control market comes from competitors utilizing their own NOx reduction processes, including SCR systems, SNCR systems, ammonia and urea based delivery systems for SNCR and SCR, which do not infringe our patented or proprietary technologies.  Indirect competition will also arise from business practices such as the purchase rather than the generation of electricity, fuel switching, closure or de-rating of units, and sale or trade of pollution credits and emission allowances.  Utilization by customers of such processes or business practices or combinations thereof may adversely affect our pricing and participation in the NOx control market if customers elect to comply with regulations by methods other than the purchase of our Air Pollution Control products.  See Item 1 “Products” and “APC Competition” in the Air Pollution Control segment overview.

 

Competition for our FUEL CHEM markets include chemicals sold by specialty chemical companies, such as Imerys, Environmental Energy Services, Inc., and SUEZ Water Technologies.

 

Our Dependence Upon Fixed-price Contracts Could Adversely Affect our Operating Results

 

The majority of our air pollution control projects are currently performed on a fixed-price basis. Under a fixed-price contract, we agree on the price that we will receive for the entire project, based upon a defined scope, which includes specific assumptions and project criteria. If our estimates of the costs to complete the project are below the actual costs that we incur, our margins will decrease, or we may incur a loss. The revenue, cost and gross profit realized on a fixed-price contract will often vary from the estimated amounts because of unforeseen conditions or changes in job conditions and variations in labor and equipment productivity over the term of the contract. While our fixed-price contracts are typically not individually material to our operating results, if we are unsuccessful in mitigating these risks, we may realize gross profits that are different from those originally estimated and incur reduced profitability or losses on projects. Depending on the size of a project, these variations from estimated contract performance could have a significant effect on our operating results. In general, turnkey contracts to be performed on a fixed-price basis involve an increased risk of significant variations. Generally, our contracts and projects vary in length, depending on the size and complexity of the project, project owner demands and other factors. The foregoing risks are exacerbated for projects with longer-term durations and the inherent difficulties in estimating costs and of the interrelationship of the integrated services to be provided under these contracts whereby unanticipated costs or delays in performing part of the contract can have compounding effects by increasing costs of performing other parts of the contract.

 

Customers May Cancel or Delay Projects

 

Customers may cancel or delay projects for reasons beyond our control. Our orders normally contain cancellation provisions that permit us to recover our costs, and, for most contracts, a portion of our anticipated profit in the event a customer cancels an order. If a customer elects to cancel an order, we may not realize the full amount of revenues included in our backlog. If projects are delayed, the timing of our revenues could be adversely affected and projects may remain in our backlog for extended periods of time. Revenue recognition occurs over long periods of time and is subject to unanticipated delays. If we receive relatively large orders in any given quarter, fluctuations in the levels of our quarterly backlog can result because the backlog in that quarter may reach levels that may not be sustained in subsequent quarters.

 

Our Operating Results May Be Adversely Affected by Product Pricing

 

We typically experience significant competition for both of our technology segments which may require us to lower our product prices in order to remain competitive and have a corresponding adverse impact on our realized gross margins and operating profitability. See the risk factor entitled “We Face Substantial Competition” above.

 

Our Customer Base Is Highly Concentrated

 

A small number of customers have historically accounted for a significant portion of our revenues. During 2023, our five largest customers accounted for approximately 53% of our net revenues, with our largest customer accounting for approximately 20% of our net revenues. There can be no assurance that all significant customers will continue to purchase our products in the same quantities that they have in the past. The loss of any one of our significant customers or a material reduction in sales to a significant customer could have a material adverse effect on our sales and results of operations.

 

RISKS RELATED TO OUR BUSINESS

 

Our Financial Performance May Vary Significantly From Period to Period

 

Our annual revenues and earnings have varied in the past and are likely to vary in the future. Our contracts generally stipulate customer specific delivery terms and may have contract cycles of a year or more, which subjects these contracts to many factors beyond our control. In addition, contracts that are significantly larger in size than our typical contracts tend to intensify their impact on our annual operating results. Furthermore, as a significant portion of our operating costs are fixed, an unanticipated decrease in our revenues, a delay or cancellation of orders in backlog, or a decrease in the demand for our products, may have a significant impact on our annual operating results. Therefore, our annual operating results may be subject to significant variations and our operating performance in one period may not be indicative of our future performance.

 

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Energy Transition

 

The strategic priorities and financial performance of our businesses are subject to market and other dynamics related to decarbonization, which can pose risks in addition to opportunities for those businesses. Given the nature of our businesses and the industries we serve, we must anticipate and respond to market, technological, regulatory and other changes driven by broader trends related to decarbonization efforts in response to climate change. These changes present both risks and opportunities for our businesses, many of which provide products and services to customers in sectors like power generation that have historically been carbon intensive and will remain important to efforts globally to lower greenhouse gas emissions for decades to come. For example, the significant decreases in recent years in the levelized cost of energy for renewable sources of power generation (such as wind and solar), along with ongoing changes in government, investor, customer and consumer policies, commitments, preferences and considerations related to climate change, in some cases have adversely affected, and are expected to continue to affect, the demand for and the competitiveness of products and services related to carbonaceous fuel-based power generation, including sales of new air pollution control equipment and the utilization and servicing needs for existing power plants. Continued shifts toward greater penetration by renewables in both new capacity additions and the proportionate share of power generation, particularly depending on the pace and timeframe for such shifts across different markets globally, could have a material adverse effect on our business and our consolidated results.

 

Our Manufacturing Operations Are Dependent on Third-party Suppliers

 

Although we are not dependent on any one supplier, we are dependent on the ability of our third-party suppliers to supply our raw materials, as well as certain specific component parts. The third-party suppliers upon which we depend may default on their obligations to us due to bankruptcy, insolvency, lack of liquidity, adverse economic conditions, operational failure, fraud, loss of key personnel, or other reasons. We cannot assure that our third-party suppliers will dedicate sufficient resources to meet our scheduled delivery requirements or that our suppliers will have sufficient resources to satisfy our requirements during any period of sustained demand. Failure of suppliers to supply, or delays in supplying, our raw materials or certain components, or allocations in the supply of certain high demand raw components, for any reason, including, without limitation, disruptions in our suppliers’ business activities due to cybersecurity incidents, terrorist activity, public health crises (such as coronavirus), fires or other natural disasters could materially adversely affect our operations and ability to meet our own delivery schedules on a timely and competitive basis.  Additionally, our third-party suppliers may provide us with raw materials or component parts that fail to meet our expectations or the expectations of our customers, which could subject us to product liability claims, other claims and litigation.

 

Our Use of Subcontractors Could Potentially Harm our Profitability and Business Reputation

 

Occasionally we act as a prime contractor in some of the engineered projects we undertake. In our capacity as lead provider and when acting as a prime contractor, we perform a portion of the work on our projects with our own resources and typically subcontract activities such as manufacturing and installation work. In our industry, the lead contractor is normally responsible for the performance of the entire contract, including subcontract work. Thus, when acting as a prime contractor, we are subject to risk associated with the failure of one or more subcontractors to perform as anticipated.

 

We employ subcontractors at various locations around the world to meet our customers’ needs in a timely manner, meet local content requirements and reduce costs. Subcontractors perform all of our manufacturing for customers. The use of subcontractors decreases our control over the performance of these functions and could result in project delays, escalated costs and substandard quality. These risks could adversely affect our profitability and business reputation. In addition, many of our competitors, who have greater financial resources and greater bargaining power than we have, use the same subcontractors that we use and could potentially influence our ability to hire these subcontractors. If we were to lose relationships with key subcontractors, our business could be adversely impacted.

 

Operational Execution

 

Operational challenges could have a material adverse effect on our business, reputation, financial position, results of operations and cash flows. The Company’s financial results depend on the successful execution of our businesses’ operating plans across all steps of the engineering and design, manufacture, installation and service lifecycle. We continue working to improve the operations and execution of our businesses and our ability to make the desired improvements will be a significant factor in our overall financial performance. Operational failures in any of our business segments that result in quality problems or potential product, environmental, health or safety risks, could have a material adverse effect on our business, reputation, financial position and results of operations. In addition, for some large-scale projects we may be required by our customer to take on the full scope of engineering, procurement, construction or other services. These types of projects often pose unique risks related to their location, scale, complexity, duration and pricing or payment structure. Performance issues or schedule delays can arise due to inadequate technical expertise, unanticipated project modifications, developments at project sites, environmental, health and safety issues, execution by or coordination with suppliers, subcontractors or consortium partners, financial difficulties of our customers or significant partners or compliance with government regulations, and these can lead to cost overruns, contractual penalties, liquidated damages and other adverse consequences. Operational, quality or other issues at large projects, or across our projects portfolio more broadly, can adversely affect our business, reputation or results of operations.

 

We Rely on Several Key Employees Whose Absence or Loss Could Disrupt our Operations or Be Adverse to our Business

 

We are highly dependent on the experience of our management in the continuing development of our operations. The loss of the services of certain of these individuals would have a material adverse effect on our business. Although we have employment and non-competition agreements with certain of our key employees, as a practical matter, those agreements will not assure the retention of our employees, and we may not be able to enforce all of the provisions in any employment or non-competition agreement. Our future success will depend in part on our ability to attract and retain qualified personnel to manage our development and future growth. We cannot guarantee that we will be successful in attracting and retaining such personnel. Our failure to recruit additional key personnel could have a material adverse effect on our financial condition, results of operations and cash flows.

 

Increasing Costs for Manufactured Components May Adversely Affect our Profitability

 

Our products utilize a variety of manufactured components, including metallurgical catalysts, storage tanks, pumps and fans.  The current economic environment has resulted, and may continue to result, in price volatility and inflation of these costs. Further increases in the price of these items could further materially increase our operating costs and materially adversely affect our profit margins if we are unable to successfully pass such costs on to our customers.

 

Cybersecurity

 

Increased cybersecurity requirements, vulnerabilities, threats and more sophisticated and targeted computer crime pose a risk to our systems, networks, products, solutions, services and data. Increased global cybersecurity vulnerabilities, threats, computer viruses and more sophisticated and targeted cyber-related attacks such as ransomware, as well as cybersecurity failures resulting from human error and technological errors, pose a risk to the security of Fuel Tech and its customers', partners', suppliers' and third-party service providers' infrastructure, products, systems and networks and the confidentiality, availability and integrity of Fuel Tech’s and its customers' data. As the perpetrators of such attacks become more capable, and as critical infrastructure is increasingly becoming digitized, the risks in this area continue to grow. There can be no assurance that our efforts to mitigate cybersecurity risks by employing a number of measures, including employee training, monitoring and testing, vulnerability testing and maintenance of protective systems and contingency plans, will be sufficient to prevent, detect and limit the impact of cyber-related attacks, and we remain vulnerable to known or unknown threats. A significant cyber-related attack could result in other negative consequences, including damage to our reputation or competitiveness, remediation, increased digital infrastructure or other costs that are not covered by insurance, litigation or regulatory action.

 

We May Not Be Able to Successfully Protect our Patents and Proprietary Rights

 

We hold licenses to or own a number of patents for our products and processes.  In addition, we also have numerous patent applications pending both in the U.S. and abroad.  There can be no assurance that any of our pending patent applications will be granted or that our outstanding patents will not be challenged, overturned or otherwise circumvented by competitors.  In foreign markets, the absence of harmonized patent laws makes it more difficult to ensure consistent respect for our patent rights in emerging markets.  In addition, certain critical technical information relating to our products which is not patented is held as trade secret, and protected by trade secret laws and restrictions on disclosure contained in our confidentiality and licensing agreements.  There can be no assurance that such protections will prove adequate or that we will have adequate remedies against contractual counterparties for disclosure of our trade secrets or other violations of our intellectual property rights.  See Item 1 above under the caption “Intellectual Property.”

 

Our Results May Be Affected By Foreign Operations

 

We currently have foreign operations predominantly in Europe with our offices located in Gallarate, Italy. The future business opportunities in this market are dependent on the continued implementation and enforcement of regulatory policies that will benefit our technologies, the acceptance of our engineering solutions in such markets, the ability of potential customers to utilize our technologies on a competitive, cost-effective basis, and our ability to protect and enforce our intellectual property rights.

 

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We May Not Be Able to Purchase Raw Materials on Commercially Advantageous Terms

 

Our FUEL CHEM technology segment is dependent, in part, upon a supply of magnesium hydroxide. Any adverse changes in the availability of this chemical will likely have an adverse impact on ongoing operation of our FUEL CHEM programs. On March 4, 2009, we entered into a Restated Product Supply Agreement (PSA) with Martin Marietta Magnesia Specialties, LLC (MMMS) in order to assure the continuance of a stable supply from MMMS of magnesium hydroxide products for our requirements in the U.S. and Canada. The term of the PSA expires on December 31, 2024. Pursuant to the PSA, MMMS supplies us with magnesium hydroxide products manufactured pursuant to our specifications and we have agreed to purchase from MMMS, and MMMS has agreed to supply, 100% of our requirements for such magnesium hydroxide products for our customers who purchase such products for delivery in the U.S. and Canada. There can be no assurance that we will be able to obtain a stable source of magnesium hydroxide in markets outside the U.S.

 

RISKS RELATED TO OUR INDUSTRY

 

Demand for Our APC and FUEL CHEM Products is Affected by External Market Factors

 

Reduced coal-fired electricity demand across the U.S. has led to production declines.  Contributing factors to this decline in coal-fired generation were: 1) lower natural gas prices which allowed utility operators to increase the amount of power generated from natural gas plants, 2) increased cost of environmental compliance with current environmental regulations, 3) constrained funding for capital projects, and 4) the increased production of electricity from renewable sources, such as wind and solar.

 

Our Business Is Dependent on Continuing Air Pollution Control Regulations and Enforcement

 

Our business is significantly impacted by and dependent upon the regulatory environment surrounding the electricity generation market.  Our business will be adversely impacted to the extent that regulations are repealed or amended to significantly reduce the level of required NOx or particulate matter reduction, or to the extent that regulatory authorities delay or otherwise minimize enforcement of existing laws.  Additionally, long-term changes in environmental regulation that threaten or preclude the use of coal or other fossil fuels as a primary fuel source for electricity production which result in the reduction or closure of a significant number of fossil fuel-fired power plants may adversely affect our business, financial condition and results of operations.  See Item 1 above under the caption “Regulations and Markets” in the Air Pollution Control segment overview.

 

GENERAL RISK FACTORS

 

Geopolitical and Unexpected Events May Impact New or Existing Projects and Prices and Availability of Raw Materials, Energy and Other Materials. 

 

These events may also impact energy and regulatory policy nationally or regionally for the impacted regions. Such disruptions could have a material adverse effect on our business and financial results.

 

ITEM 1B - UNRESOLVED STAFF COMMENTS

 

None

 

ITEM 1C - CYBERSECURITY

 

Risk Assessment and Strategy

 

Fuel Tech regularly evaluates cybersecurity risk from computer viruses and more sophisticated and targeted cyber-related attacks such as ransomware, as well as cybersecurity failures resulting from human error and technological errors.  Such risks are reviewed by our Information Technology Steering Committee on a quarterly basis, or more frequently if deemed appropriate. 

 

Our overall strategy in combatting known cybersecurity risks includes a variety of individual tactics, including:

 

 

●

the use of  antivirus software, virtual private networks, email security, as well as other software to prevent and detect data intrusions.
 

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the deployment of updates and patches as they are available and maintaining the current versions of major software to reduce the exposure to vulnerabilities.
 

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the use of third-party service to conduct mandatory online training for all employees regarding identifying and avoiding cyber-security risks.
 

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the review of the security procedures used by third parties that may host or otherwise have access to Fuel Tech’s data.
 

●

the deployment of third-party cyber-security experts to perform penetration testing on our internal and external networks and systems in an effort to identify potential vulnerabilities.
 

●

if necessary, the use of third-party security experts if and when an incident is detected

 

We are not aware of having experienced any material cybersecurity incidents.  We are not aware of any existent cybersecurity threats that would materially affect, or are reasonably likely to materially affect, our business strategy, results of operations or financial conditions.  For more information, please see “Cybersecurity” under Item 1A “Risk Factors” above.

 

Management Oversight

 

Day-to day management of cybersecurity threats is conducted by our Information Technology department which is charged with identifying and reporting threats to senior management. On a quarterly basis, cybersecurity is reviewed by our Information Technology Steering  Committee, which is comprised of our Chief Executive Officer, Chief Financial Officer, General Counsel and Head of Information Technology.

 

Board Oversight

 

The Audit Committee of our Board of Directors, which is composed of all non-employee directors, is responsible for oversight of management’s efforts to eliminate cybersecurity risks.

 

 

ITEM 2 - PROPERTIES

 

We own an office building in Warrenville, Illinois, which has served as our corporate headquarters since June 23, 2008. This facility, with approximately 40,000 square feet of office space, is sufficient to meet our requirements for the foreseeable future.

 

We also operate from leased office facilities and we do not segregate any of these leased facilities by operating business segment. The terms of the Company's primary lease arrangements as of December 31, 2023 are as follows:

 

 

•

The Gallarate, Italy building lease, for approximately 1,335 square feet, runs through April 30, 2025. This facility serves as the operating headquarters for our European operations.

 

 

•

The Aurora, IL warehouse lease, for approximately 11,000 square feet, runs through March 31, 2031. This facility serves as an outside warehouse facility.

 

 

•

The Overland Park, KS lease, for approximately 600 square feet, runs through October 15, 2024. This facility serves primarily as a sales office.

 

ITEM 3 - LEGAL PROCEEDINGS

 

From time to time we are involved in litigation with respect to matters arising from the ordinary conduct of our business. In the opinion of management, based upon presently available information, either adequate provision for anticipated costs have been accrued or the ultimate anticipated costs will not materially affect our consolidated financial position, results of operations, or cash flows.

 

See Note 9 "Commitments and Contingencies" in the Notes to the Consolidated Financial Statements in this Annual Report on Form 10-K.

 

ITEM 4 – MINE SAFETY DISCLOSURES

 

Not Applicable

 

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PART II

 

ITEM 5 - MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASE OF EQUITY SECURITIES

 

Market

 

Our common stock has been traded since September, 1993 on The NASDAQ Stock Market, Inc, where it trades under the symbol FTEK.

 

Holders

 

As of February 28, 2024, there were 56 holders of record of our common stock, which does not include the number of beneficial owners whose common stock was held in street name or through fiduciaries.

 

Dividends

 

We have never paid cash dividends on the common stock and have no current plan to do so in the foreseeable future. The declaration and payment of dividends on the common stock is subject to the discretion of our Board of Directors. The decision of the Board of Directors to pay future dividends will depend on general business conditions, the effect of a dividend payment on our financial condition, and other factors the Board of Directors may consider relevant. The current policy of the Board of Directors is to reinvest earnings in operations to promote future growth.

 

ITEM 6 - RESERVED

 

ITEM 7 - MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (amounts in thousands of dollars)

 

Overview

 

In 2023, the Company continued to successfully execute on existing orders resulting in improved performance in the APC segment. We continue to invest in development of new technologies to expand our product offerings into the water and waste-water treatment market. Our capital resources are sufficient for our immediate and longer-term needs, and we continue to enjoy the services and support of a dedicated workforce. We expect that our cost control efforts will maintain our existing levels of operating expenditures and the diminishing effects of the pandemic should lead to an improved market outlook.

 

Key Operating Factors

 

Our FUEL CHEM segment faced difficult market circumstances in 2023, and experienced a decline in revenues and segment operating profits compared to 2022. The FUEL CHEM segment was negatively impacted due to the reduction in demand from other customers due to unfavorable climate conditions and to operating and maintenance scheduling. 

 

Our APC business experienced improvement in 2023, compared to 2022, due to the execution of projects awarded in the second half of 2022 and in 2023. Sales growth experienced headwinds in the United States due to regulatory unclarity resulting from legal challenges to the Cross State Air Pollution Control rule. We are encouraged by the pace and depth of our business development activities, which reflects an increased focus on global emissions protocols across a variety of fuel sources. Our Consolidated APC backlog at year end was $7,458 and our global sales pipeline has increased to $50 -75 million range.

 

Background

We have two broad technology segments that provide advanced engineered solutions to meet the pollution control, efficiency improvement and operational optimization needs of energy-related facilities worldwide. They are as follows:

 

Air Pollution Control Technologies

 

The Air Pollution Control technology segment includes technologies to reduce NOx emissions in flue gas generated by the firing of natural gas or coal from boilers, incinerators, furnaces and other stationary combustion sources. These include SCR systems, NOxOUT and HERT™ SNCR systems. Our SCR systems can also include AIG, and GSG™ systems to provide high NOx reductions at significantly lower capital and operating costs than conventional SCR systems. ULTRA® technology creates ammonia at a plant site using safe urea for use with any SCR application. ESP technologies make use of electrostatic precipitator products and services to reduce particulate matter. FGC systems are chemical injection systems offered in markets outside the U.S. and Canada to enhance electrostatic precipitator and fabric filter performance in controlling particulate emissions. We distribute our products through our direct sales force and third-party sales agents.

 

FUEL CHEM Technologies

 

The FUEL CHEM technology segment, which uses chemical processes in combination with advanced CFD and CKM boiler modeling, for the control of slagging, fouling, corrosion, opacity and other sulfur trioxide-related issues in coal-fired furnaces and boilers through the addition of chemicals into the furnace using TIFI® Targeted In-Furnace Injection™ technology. Fuel Tech sells its FUEL CHEM program through its direct sales force and agents to industrial and utility power-generation facilities. FUEL CHEM programs have been installed on combustion units in North America, Europe, China, and India, treating a wide variety of solid and liquid fuels, including coal, heavy oil, biomass and municipal waste. The FUEL CHEM program improves the efficiency, reliability and environmental status of plants operating in the electric utility, industrial, pulp and paper, waste-to-energy, university and district heating markets and offers numerous operational, financial and environmental benefits to owners of boilers, furnaces and other combustion units.

 

The key market dynamic for both technology segments is the continued use of fossil fuels, especially coal, as the principal fuel source for global electricity production. In 2023, coal accounted for approximately 14% of all U.S. electricity generation and roughly 36% of global electricity generation.  Major coal consumers include China, the U.S. and India.

 

Critical Accounting Policies and Estimates

 

The consolidated financial statements are prepared in accordance with accounting principles generally accepted in the U.S. (GAAP), which require us to make estimates and assumptions. We believe that our accounting policies (see Note 1 to the consolidated financial statements), involve a higher degree of judgment, estimates and assumptions and are deemed critical. We routinely discuss our critical accounting policies with the Audit Committee of the Board of Directors.

 

Revenue Recognition

 

The Company recognizes revenue when control of the promised goods or services is transferred to our customers, in an amount that reflects the consideration we expect to be entitled to in exchange for those goods or services. The majority of our contracts have a single performance obligation as the promise to transfer the individual goods or services is not separately identifiable from other promises in the contracts and, therefore, not distinct. Revenue is measured as the amount of consideration we expect to receive in exchange for transferring goods or providing services. Sales, value add, and other taxes we collect concurrent with revenue-producing activities are excluded from revenue.

 

FUEL CHEM

  

Revenues from the sale of chemical products are recognized when control transfers to customer upon shipment or delivery of the product based on the applicable shipping terms. We generally recognize revenue for these arrangements at a point in time based on our evaluation of when the customer obtains control of the promised goods or services. 

 

On occasion, Fuel Tech will engineer and sell its chemical pumping equipment.  These projects are similar in nature to the APC projects described below and for those projects where control transfers over time, revenue is recognized based on the extent of progress towards completion of the single performance obligation. 

 

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For projects containing multiple performance obligations, the Company allocates the transaction price based on the estimated standalone selling price. The Company must develop assumptions that require judgment to determine the stand-alone selling price for each performance obligation identified in the contract. The Company utilizes key assumptions to determine the stand-alone selling price, which may include other comparable transactions, pricing considered in negotiating the transaction and the estimated costs. Variable consideration is allocated specifically to one or more performance obligations in a contract when the terms of the variable consideration relate to the satisfaction of the performance obligation and the resulting amounts allocated are consistent with the amounts the Company would expect to receive for the satisfaction of each performance obligation.

 

The consideration allocated to each performance obligation is recognized as revenue when control is transferred for the related goods or services. For performance obligations which consist of licenses and other promises, the Company utilizes judgment to assess the nature of the combined performance obligation to determine whether the combined performance obligation is satisfied over time or at a point in time and, if over time, the appropriate method of measuring progress. The Company evaluates the measure of progress each reporting period and, if necessary, adjusts the measure of performance and related revenue recognition.

 

The Company receives payments from its customers based on billing schedules established in each contract. Up-front payments and fees are recorded as deferred revenue upon receipt or when due until the Company performs its obligations under these arrangements. Amounts are recorded as accounts receivable when the Company’s right to consideration is unconditional.

 

Air Pollution Control Technology

 

Fuel Tech’s APC contracts are typically six to eighteen months in length. A typical contract will have three or four critical operational measurements that, when achieved, serve as the basis for us to invoice the customer via progress billings. At a minimum, these measurements will include the generation of engineering drawings, the shipment of equipment and the completion of a system performance test.

 

As part of most of its contractual APC project agreements, Fuel Tech will agree to customer-specific acceptance criteria that relate to the operational performance of the system that is being sold. These criteria are determined based on modeling that is performed by Fuel Tech personnel, which is based on operational inputs that are provided by the customer. The customer will warrant that these operational inputs are accurate as they are specified in the binding contractual agreement. Further, the customer is solely responsible for the accuracy of the operating condition information; typically all performance guarantees and equipment warranties granted by us are voidable if the operating condition information is inaccurate or is not met.

 

Since control transfers over time, revenue is recognized based on the extent of progress towards completion of the single performance obligation. Fuel Tech uses the cost-to-cost input measure of progress for our contracts since it best depicts the transfer of assets to the customer which occurs as we incur costs on our contracts. Under the cost-to-cost input measure of progress, the extent of progress towards completion is measured based on the ratio of costs incurred to date to the total estimated costs at completion of the performance obligation. Revenues are recorded proportionally as costs are incurred. Costs to fulfill include all internal and external engineering costs, equipment charges, inbound and outbound freight expenses, internal and site transfer costs, installation charges, purchasing and receiving costs, inspection costs, warehousing costs, project personnel travel expenses and other direct and indirect expenses specifically identified as project- or product-line related, as appropriate (e.g. test equipment depreciation and certain insurance expenses). Unexpected or unknown costs could affect the timing of revenue recognition and the cumulative profitability of the related projects.

 

Fuel Tech’s APC product line also includes ancillary revenue for post contractual goods and services. Revenue associated with these activities are recognized at a point in time when delivery of goods or completion of the service obligation is performed.

 

Fuel Tech has installed over 1,300 units with APC technology and normally provides performance guarantees to our customers based on the operating conditions for the project. As part of the project implementation process, we perform system start-up and optimization services that effectively serve as a test of actual project performance. We believe that this test, combined with the accuracy of the modeling that is performed, enables revenue to be recognized prior to the receipt of formal customer acceptance.

 

As of December 31, 2023 and 2022, we had no construction contracts in progress that were identified as a loss contract. 

 

The timing of revenue recognition, billings and cash collections results in billed accounts receivable, unbilled receivables (contract assets), and customer advances and deposits (contract liabilities) on the consolidated balance sheets. In our Air Pollution Control technology segment, amounts are billed as work progresses in accordance with agreed-upon contractual terms. Generally, billing occurs subsequent to revenue recognition, resulting in contract assets. These assets are reported on the consolidated balance sheet on a contract-by-contract basis at the end of each reporting period. At December 31, 2023, 2022, and 2021 contract assets for APC technology projects were approximately $2,285 and $3,082, and $1,277, respectively, and are included in accounts receivable on the consolidated balance sheets. There were no contract assets for the FUEL CHEM technology segment as of December 31, 2023, 2022, and 2021.

 

However, the Company will periodically bill in advance of costs incurred before revenue is recognized, resulting in contract liabilities. These liabilities are reported on the consolidated balance sheet on a contract-by-contract basis at the end of each reporting period. Contract liabilities were $1,279, $372, and $390 at December 31, 2023, 2022, and 2021, respectively, and are included in other accrued liabilities on the consolidated balance sheets.

 

Allowance for Credit Losses

 

In June 2016, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, and in November 2019, the FASB issued ASU 2019-10, Financial Instruments - Credit Losses (Topic 326), Derivatives and Hedging (Topic 815), and Leases (Topic 842). The Company adopted these ASUs on January 1, 2023 and began using our expected credit loss model to calculate the allowance. The allowance for credit losses is management’s best estimate of the amount of credit losses in accounts receivable. The allowance for credit losses balance can be impacted by unforeseen collectability issues. In order to control and monitor the credit risk associated with our customer base, we review the credit worthiness of customers on a recurring basis. Factors influencing the level of scrutiny include the level of business the customer has with us, the customer’s payment history and the customer’s financial stability. Receivables are considered past due if payment is not received by the date agreed upon with the customer, which is normally 30 days after invoice. Representatives of our management team review all past due accounts on a monthly or as-needed basis to assess collectability. At the end of each reporting period, the allowance for credit losses balance is reviewed relative to management’s expected credit loss model and is adjusted if deemed necessary through a corresponding charge or credit to bad debt expense, which is included in selling, general, and administrative expenses in the consolidated statements of operations. Bad debt write-offs are made when management believes it is probable a receivable will not be recovered.

 

Inventories

 

Inventories consist primarily of equipment constructed for resale and spare parts and are stated at the lower of cost or net realizable value, using the weighted-average cost method. Usage is recorded in cost of sales in the period that parts were issued to a project or used to service equipment. Inventories are carried at weighted average cost and periodically evaluated to identify obsolete or otherwise impaired parts that are written off when management determines usage is not probable. The Company estimates the balance of excess and obsolete inventory by analyzing inventory by age using last used and original purchase date and the existing sales pipeline for which the inventory could be used.

 

Assessment of Potential Impairments of Goodwill and Intangible Assets

 

Goodwill is not amortized, but rather is reviewed annually (in the fourth quarter) or more frequently if indicators arise, for impairment. We do not have any indefinite-lived intangible assets other than goodwill. Such indicators include a decline in expected cash flows, a significant adverse change in legal factors or in the business climate, unanticipated competition, a decrease in our market capitalization to an amount less than the carrying value of our assets, or slower growth rates, among others.

 

Goodwill is allocated among and evaluated for impairment at the reporting unit level, which is defined as an operating segment or one level below an operating segment. We have two reporting units: the FUEL CHEM segment and the APC technology segment. Goodwill is only related to the FUEL CHEM segment.

 

Our evaluation of goodwill impairment involves first assessing qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount. We may bypass this qualitative assessment, or determine that based on our qualitative assessment considering the totality of events and circumstances including macroeconomic factors, industry and market considerations, current and projected financial performance, a sustained decrease in our share price, or other factors, that additional impairment analysis is necessary. This additional analysis involves comparing the current fair value of a reporting unit to its carrying value. Fuel Tech uses a discounted cash flow (DCF) model to determine the current fair value of its FUEL CHEM reporting unit as this methodology was deemed to best quantify the present values of our expected future cash flows and yield a fair value that should be in line with the aggregate market value placed on the outstanding common stock as reflected by the current stock price multiplied by the outstanding shares of common stock. A number of significant assumptions and estimates are involved in the application of the DCF model to forecast operating cash flows, including markets and market share, sales volumes and prices, costs to produce and working capital changes. Events outside our control, specifically market conditions that impact revenue growth assumptions, could significantly impact the fair value calculated. Management considers historical experience and all available information at the time the fair values of its reporting units are estimated. However, actual fair values that could be realized in an actual transaction may differ from those used to evaluate the impairment of goodwill.

 

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The application of our DCF model in estimating the fair value of each reporting segment is based on the ‘net asset’ approach to business valuation. In using this approach for each reportable segment, we forecast segment revenues and expenses out to perpetuity and then discount the resulting cash flows to their present value using an appropriate discount rate. The forecast considers, among other items, the current and expected business environment, expected changes in the fixed and variable cost structure as the business grows, and a revenue growth rate that we feel is both achievable and sustainable. The discount rate used is composed of a number of identifiable risk factors, including equity risk, company size, and certain company-specific risk factors such as our debt-to-equity ratio, among other factors, that when added together, results in a total return that a prudent investor would demand for an investment in our Company.

 

In the event the estimated fair value of a reporting unit per the DCF model is less than the carrying value, additional analysis would be required. The additional analysis would compare the carrying amount of the reporting unit’s goodwill with the implied fair value of that goodwill. The implied fair value of goodwill is the excess of the fair value of the reporting unit over the fair values assigned to all of the assets and liabilities of that unit as if the reporting unit was acquired in a business combination and the fair value of the reporting unit represented the purchase price.

 

The Company utilizes Accounting Standards Update (ASU) 2017-04, Intangibles-Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment for the annual goodwill impairment test.

 

Fuel Tech performed its annual goodwill impairment analysis for its FUEL CHEM reporting unit as of October 1, 2023 and determined that no impairment of goodwill existed within the FUEL CHEM technology segment.

 

Impairment of Long-Lived Assets and Amortizable Intangible Assets

 

Long-lived assets, including property and equipment and intangible assets, are reviewed for impairment when events and circumstances indicate that the carrying amount of the assets (or asset group) may not be recoverable. If impairment indicators exist, we perform a more detailed analysis and an impairment loss is recognized when either estimated future undiscounted cash flows expected to result from the use of the asset (or asset group) and its eventual disposition are less than the carrying amount or the determined fair value is less than the carrying amount. This process of analyzing impairment involves examining the operating condition of individual assets (or asset group) and estimating a fair value based upon current condition, relevant market factors and the remaining estimated operational life compared to the asset’s remaining depreciable life. Quoted market prices and other valuation techniques are used to determine expected fair value. Due to the existence of impairment indicators, we performed a more detailed analysis of potential long-lived and intangible asset impairment in the APC technology asset group during the fourth quarter of 2023 and determined no impairment exists. There was no impairment recorded during 2023. 

 

A significant portion of our property and equipment is comprised of assets deployed at customer locations relating to our FUEL CHEM technology asset group, and due to the shorter-term duration over which this equipment is depreciated, the likelihood of impairment is mitigated. The discontinuation of a FUEL CHEM program at a customer site would most likely result in the re-deployment of all or most of the affected assets to another customer location rather than an impairment.

 

Valuation Allowance for Deferred Income Taxes

 

Deferred tax assets represent deductible temporary differences and net operating loss and tax credit carryforwards. A valuation allowance is recognized if it is more likely than not that some portion of the deferred tax asset will not be realized. At the end of each reporting period, management reviews the realizability of the deferred tax assets. As part of this review, we consider if there are taxable temporary differences that could generate taxable income in the future, if there is the ability to carry back the net operating losses or credits, if there is a projection of future taxable income, and if there are any tax planning strategies that can be readily implemented. As required by ASC 740 "Income Taxes", a valuation allowance must be established when it is more likely than not that all or a portion of a deferred tax asset will not be realized. This assessment resulted in a valuation allowance on our deferred tax assets of $15,699 and $15,627 at December 31, 2023 and 2022, respectively.

 

Stock-Based Compensation

 

We recognize compensation expense for employee equity awards ratably over the requisite service period of the award, adjusted for estimated forfeitures.

 

We utilize the Black-Scholes option-pricing model to estimate the fair value of stock option awards. Determining the fair value of stock options using the Black-Scholes model requires judgment, including estimates for (1) risk-free interest rate - an estimate based on the yield of zero-coupon treasury securities with a maturity equal to the expected life of the option; (2) expected volatility - an estimate based on the historical volatility of our common stock for a period equal to the expected life of the option; and (3) expected life of the option - an estimate based on historical experience including the effect of employee terminations.

 

Recently Issued Accounting Pronouncements

 

In November 2023, the FASB issued ASU 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures, which provides guidance for additional disclosures around segment reporting. The standard will become effective for annual periods beginning on January 1, 2024 for Fuel Tech and for interim periods thereafter. Application of the amendments is retrospective. The Company is reviewing the impact of this new pronouncement and expects to incorporate the additional disclosures in the Segment note when the ASU is adopted. 

 

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which provides guidance for additional disclosures around the tax rate reconciliation and other tax disclosures. The standard will become effective for annual periods beginning on January 1, 2025 for Fuel Tech. Application of the amendments should be applied prospectively but retrospective application is permitted. The Company is reviewing the impact of this new pronouncement and expects to incorporate the additional disclosures in the Tax note when the ASU is adopted. 

 

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2023 versus 2022

 

Highlights for the year ended December 31, 2023, compared to 2022:

 

   

For the years ended December 31,

  
   

2023

    

2022

    

Change

  

Revenues

   $ 27,081     $ 26,941     $ 140  

Costs and expenses:

                        

Cost of sales

     15,425       15,298       127  

Selling, general and administrative

     12,803       12,275       528  

Research and development

     1,511       895       616  

Total costs and expenses

     29,739       28,468       1,271  

Operating loss

     (2,658 )     (1,527 )     (1,131 )

Interest expense

     (21 )     (17 )     (4 )

Interest income

     1,300       202       1,098  

Other expense, net

     (90 )     (46 )     (44 )

Loss before income taxes

     (1,469 )     (1,388 )     (81 )

Income tax expense

     (69 )     (54 )     (15 )

Net loss

   $ (1,538 )   $ (1,442 )   $ (96 )

 

Revenues

 

Revenues for the years ended December 31, 2023 and 2022 were $27,081 and $26,941, respectively. The year-over-year increase of $140 or 1%, was driven by the increase in revenue in our APC technology segment in our U.S. operations, partially offset by a decrease in our FUEL CHEM technology segment. Our U.S. revenues increased by $751, or 4%, from $20,311 in 2022 to $21,062 in 2023, and our international revenues decreased by $611, or 9%, from $6,630 in 2022 to $6,019 in 2023.

 

Revenues for the APC technology segment were $13,483 for the year ended December 31, 2023, an increase of $2,886, or 27%, versus fiscal 2022. The increase in APC revenue for the twelve-month period ending December 31, 2023 in comparison to the prior year amount was principally related to the timing of project execution and new APC orders. Consolidated APC backlog was $7,458 and $8,245 at December 31, 2023 and 2022, respectively. Our backlog at December 31, 2023 consists of U.S. domestic projects totaling $6,878 and international projects totaling $580.

 

Revenues for the FUEL CHEM technology segment for the year ended December 31, 2023 were $13,598, a decrease of $2,746, or 17%, versus fiscal 2022. The decrease in FUEL CHEM revenue was due to dispatch/demand and unforeseen plant outages. We remain focused on attracting new customers in our FUEL CHEM business, for both coal and non-coal applications. Our ability to attract new coal customers continues to be affected by the electric demand market and fuel switching as a result of low natural gas prices.

 

Cost of sales and gross margin

 

Consolidated cost of sales for the years ended December 31, 2023 and 2022 were $15,425 and $15,298, respectively. Consolidated gross margin percentages for the years ended December 31, 2023 and 2022 were 43% and 43%, respectively. The gross margins for the APC technology segment increased to 38% in 2023 from 35% in 2022. The overall increase in gross margin in the APC technology segment is primarily due to product and project mix. Gross margin percentage for the FUEL CHEM technology segment decreased to 48% from 49% for the years ended December 31, 2023 and 2022.

 

Selling, general and administrative

 

Selling, general and administrative expenses for the years ended December 31, 2023 and 2022 were $12,803 and $12,275, respectively. The increase of $528, or 4%, is attributed to the following:

 

 

•

An increase in employee related costs of $604
 

•

 An increase in travel expense of $45
  • An increase in professional services of $44
  • A decrease in office and administrative costs relating to our foreign subsidiaries of $129
  • A decrease in other administrative costs of $36

 

Depreciation and Amortization

 

Depreciation and amortization are calculated using the straight-line method and included in selling, general and administrative expense. For the years ended December 31, 2023 and 2022, the Company recorded depreciation of $281 and $352 and amortization of $61 and $88, respectively.


Research and development

 

Research and development expenses were $1,511 and $895 for the years ended December 31, 2023 and 2022, respectively. The expenditures in our research and development expenses were focused on new product development efforts in the pursuit of commercial applications for technologies outside of our traditional markets, and in the development and analysis of new technologies that could represent incremental market opportunities. This increase was mainly attributed to water treatment technologies and more specifically, our DGI® Dissolved Gas Infusion Systems, an innovative alternative to current gas transfer and chemical replacement technologies. This infusion process has a variety of applications in the water and wastewater segments, including irrigation, treatment of natural waters, supply of oxygen for biological remediation, wastewater odor management, pH adjustment, re-carbonization, etc. DGI® technology benefits include improved treatment performance and reduced treatment time, and the potential for reduced energy consumption, along with lower installation and operating costs. Third party validation testing of the efficiency of transferring oxygen to a treatment basin has been completed and results have been published.

 

Interest income

 

Interest income was $1,300 for the year ended December 31, 2023 compared to $202 for the same period in 2022. Interest income increased due to the interest income on the held-to-maturity (HTM) debt securities and money market funds.

 

Other Expense, net

 

Other expense, net was $90 for the year ended December 31, 2023 compared to Other expense, net of $46 for the same period in 2022. The change of $44 is due primarily to an increase in bank fees associated with our standby letters of credit.

 

Income tax benefit expense

 

For the year ended December 31, 2023, we recorded an income tax expense of $69 on pre-tax loss of $1,469. Our effective tax rates were (-4.7% and (3.9)% for the years ended December 31, 2023 and 2022, respectively. For the year ended December 31, 2022, we recorded an income tax expense of $54 on pre-tax income of $1,388. The effective tax rate for the year ended December 31, 2023 differed from the federal statutory rate of 21% as a result of establishing a deferred tax liability associated with a certain book-to-tax timing difference. 

 

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Liquidity and Sources of Capital

 

At December 31, 2023, we had cash and cash equivalents of $17,578 (which includes $5,083 of cash equivalents) and working capital of $32,633 versus cash and cash equivalents of $23,328 (which includes $10,768 of cash equivalents) and working capital of $31,059 at December 31, 2022. We have no outstanding debt other than our outstanding letters of credit, under our Investment Collateral Security agreement with BMO Harris Bank, N.A. (the Investment Collateral Security agreement), which does not have any financial covenants. We expect to continue operating under this arrangement for the foreseeable future. 

 

Operating activities provided cash of $696 for the year ended December 31, 2023, primarily due to a decrease in accounts receivable balances of $1,039, an increase in accrued liabilities and other non-current liabilities of $1,239, partially offset by an increase in accounts payable balances of $295 and adjustments for non-cash items from our net loss from continuing operations for interest income on held-to-maturity securities of $433, depreciation and amortization of $342 and stock compensation expense of $389.

 

Operating activities used cash of $4,139 for the year ended December 31, 2022, primarily due to an increase in accounts receivable balances of $4,448, an increase in prepaid expenses and other assets of $314, and an adjustment for non-cash items from our net loss from continuing operations for the provision for credit losses of $106, partially offset by increases in accounts payable balances of $1,159 and accrued liabilities and other non-current liabilities of $360, and adjustments for non-cash items from our net loss from continuing operations for depreciation and amortization of $440 and stock compensation expense of $224.

 

Investing activities used cash of $6,444 and $9,483 for the years ended December 31, 2023 and 2022, respectively. Investing activities for the years ended December 31, 2023 and 2022 primarily consisted of purchases of HTM debt securities as investments of $14,026 and $9,777, respectively, and the purchases of equipment and patent related costs and of $418 and $206, respectively. Investing activities for the years ended December 31, 2023 and 2022 were partially funded by the maturities of debt securities of $8,000 and $500, respectively.

 

Financing activities provided $42 and used $17 of cash for the years ended December 31, 2023 and 2022. In 2023, the financing activity was related to proceeds from the exercise of stock options. In 2022, financing activities were related to taxes paid on behalf of the equity award participants on the vesting of restricted stock units. 

 

We continue to monitor our liquidity needs and in response to our recent periods of net losses have taken measures to reduce expenses and restructure operations which we feel are necessary to ensure we maintain sufficient working capital and liquidity to operate the business and invest in our future. We have evaluated our ongoing business needs, and considered the cash requirements of our base business of Air Pollution Control and FUEL CHEM. This evaluation included consideration of the following customer and revenue trends in our APC and FUEL CHEM business segments current operating structure and expenditure levels, and other research and development initiatives.  Based on this analysis, management believes that currently we have sufficient cash and working capital to operate our base APC and FUEL CHEM businesses. We believe our current cash position and net cash flows expected to be generated from operations are adequate to fund planned operations of the Company for the next 12 months.

 

We expect capital expenditures in 2024 for the DGI business, maintenance of field equipment, computer and systems, and general office equipment. We expect to fund our capital expenditures with cash from operations or cash on hand.

 

In June 2022, the Board of Directors approved an investment plan that would hold $10,000 in funds at BMO Harris Bank (BMO Harris) to be invested in held-to-maturity debt securities of United States (US) Treasuries, including Notes, Bonds, and Bills, or US Government Agency securities. In December 2022, the Board of Directors approved an additional investment of $10,000. The funds are held in money market funds until they are invested in those securities. The investments would be structured to create a maturity “ladder” where the proceeds from maturities are re-invested to maintain a balance of short- and long-term investments based on the expected business needs. Maturities will be between three and thirty-six months. This strategy allows the Company to provide returns on excess cash, while managing liquidity and minimizing exposure to interest rate fluctuations.

 

On June 30, 2022, the Company entered into the Investment Collateral Security agreement to use for the sole purpose of issuing standby letters of credit, which replaces the Cash Collateral Security agreement with BMO Harris Bank, N.A. (the Former Collateral agreement). The Investment Collateral Security agreement requires us to pledge our investments as collateral for 150% of the aggregate face amount of outstanding standby letters of credit. The Company pays 250 basis points on the face values of outstanding letters of credit. There are no financial covenants set forth in the Investment Collateral Security agreement. At December 31, 2023, the Company had outstanding standby letters of credit totaling approximately $904 under the Investment Collateral Security agreement. At December 31, 2023, the investments held as collateral totaled $1,356. Fuel Tech is committed to reimbursing the issuing bank for any payments made by the bank under these instruments. The outstanding standby letters of credit mature as follows:

 

   

Total

    

2024

    

2025

    

2026

    

Thereafter

  

Standby letters of credit and bank guarantees

   $ 904     $ 769     $ 135     $ —     $ —  

Total

   $ 904     $ 769     $ 135     $ —     $ —  

 

 

ITEM 7A - QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

 

Our earnings and cash flow are subject to fluctuations due to changes in foreign currency exchange rates. We do not enter into foreign currency forward contracts or into foreign currency option contracts to manage this risk due to the nature of the transactions involved.

 

We are also exposed to changes in interest rates primarily due to our debt arrangement (refer to Note 11 to the consolidated financial statements). A hypothetical 100 basis point adverse move in interest rates along the entire interest rate yield curve would not have a materially adverse effect on interest expense during the year ended December 31, 2023.

 

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ITEM 8 - FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

 

Report of Independent Registered Public Accounting Firm

 

Stockholders and the Board of Directors of Fuel Tech, Inc.

 

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Fuel Tech, Inc. (the Company) as of December 31, 2023 and 2022, the related consolidated statements of operations, comprehensive loss, stockholders’ equity and cash flows for the years then ended, and the related notes to the consolidated financial statements (collectively, the financial statements). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2023 and 2022, and the results of its operations and its cash flows for the years then ended, in conformity with accounting principles generally accepted in the United States of America.

 

Basis for Opinion

These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on the Company’s financial statements based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Company in accordance with U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

 

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. The Company is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. As part of our audits we are required to obtain an understanding of internal control over financial reporting but not for the purpose of expressing an opinion on the effectiveness of the Company’s internal control over financial reporting. Accordingly, we express no such opinion.

 

Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

 

Critical Audit Matters

The critical audit matters communicated below are matters arising from the current period audit of the financial statements that were communicated or required to be communicated to the audit committee and that: (1) relate to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the financial statements, taken as a whole, and we are not, by communicating the critical audit matters below, providing separate opinions on the critical audit matters or on the accounts or disclosures to which they relate.

 

Impairment of Goodwill

As described in Note 1 of the financial statements, goodwill is tested for impairment at least annually as of the first day of the Company’s fourth quarter, or more frequently if events or changes in circumstances indicate that the carrying value may not be recoverable. The Company’s evaluation of goodwill impairment involves the comparison of the fair value of the Company’s reporting units to their carrying values. The Company uses a discounted cash flow analysis to determine the current fair value of the Company’s FUEL CHEM reporting unit. This requires management to make significant estimates and assumptions including estimates of future growth rates, operating margins and discount rates based on the estimated weighted average cost of capital for the business. Changes in these assumptions could have a significant impact on the fair value, which could have an impact on the conclusion of impairment, if any.

 

The Company performed its impairment analysis as of October 1, 2023. As part of the impairment assessment, the Company’s management determined that the fair value of the FUEL CHEM reporting unit exceeded its carrying value. As a result, no impairment charge was recorded in the consolidated statement of operations for the year ended December 31, 2023. Key financial assumptions used to determine the discounted cash flows of the reporting unit were developed by management.

 

We identified the evaluation of goodwill impairment as a critical audit matter because of the significant assumptions and judgments made by management within the discounted cash flow analysis used to determine the fair value of the Company’s FUEL CHEM reporting unit. Auditing the reasonableness of management’s key assumptions, including revenue growth rates, operating margins, and discount rates involved a high degree of auditor judgment and an increased effort, including the use of our fair value specialists.

 

Our audit procedures related to revenue growth rates, operating margins, and the discount rate used to evaluate the Company’s FUEL CHEM reporting unit for impairment included the following, among others:

 

 

●

With the assistance of our fair value specialists, we evaluated the reasonableness of the discount rate and tested the relevance and reliability of source information underlying the determination of the rate, tested the mathematical accuracy of the calculation, and developed a range of independent estimates and compared those to the rate selected by management.

 

 

●

We evaluated reasonableness of management’s forecasted revenue growth rates and operating margins by comparing to historical results and industry forecasts.

 

 

●

We evaluated management’s ability to accurately forecast revenue and operating margins by comparing management’s prior forecasts to actual results.

 

 

●

We evaluated the impact of changes to significant assumptions on the determination of whether impairment exists.

 

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Revenue Recognition

As described in Note 1 of the financial statements, revenue for the Company’s Air Pollution Control technology contracts is recognized based on the extent of progress towards completion of the contract compared to the estimated effort to complete the contract. The Company uses a cost-to-cost input method of measuring progress on these contracts. Under the cost-to-cost input measure of progress, the extent of progress towards completion is measured based on the ratio of costs incurred to date to the estimated costs at completion of the performance obligation. Revenues are recorded proportionally as costs are incurred.

 

We identified revenue recognition over time for the Company’s Air Pollution Control technology contracts as a critical audit matter because of certain significant assumptions management makes when measuring progress, including assumptions related to expected total costs to complete the contract. Auditing these assumptions involved a high degree of auditor judgment and an increase in audit effort due to the impact these assumptions have on the amount of revenue recognized.

 

Our audit procedures related to the evaluation of management’s estimation of revenue recognized include the following, among others:

 

 

●

We evaluated management’s ability to accurately forecast project costs by comparing management’s prior forecasts of estimated costs to actual results.

   
 ●We evaluated management’s ability to accurately forecast project costs by comparing a sample of budgeted project costs to source information and obtaining an understanding of how the budget was prepared.

 

 

●

We selected a sample of customer contracts and evaluated management’s calculation of revenue recognized over time by performing the following procedures:

 

 

–

Evaluating whether contract terms that may affect revenue recognition were identified and properly considered and performance obligations were appropriately identified.

 

 

–

Obtaining and reviewing contracts with customers, including change orders to evaluate whether the transaction price was appropriately identified.

 

 

–

Testing management’s revenue recognition calculation model for mathematical accuracy.

 

 

–

Assessing the validity of data used in the model for completeness and accuracy by agreeing, on a sample basis, key data inputs to source documents, including job costing reports and project budgets.

 

/s/ RSM US LLP

 

We have served as the Company's auditor since 2010.

 

Chicago, Illinois

March 11, 2024

 

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Fuel Tech, Inc.

Consolidated Balance Sheets

(in thousands of dollars, except share and per-share data)

 

  

December 31,

 
  

2023

  

2022

 

ASSETS

        

Current assets:

        

Cash and cash equivalents

 $17,578  $23,328 

Short-term investments

  12,136   2,981 

Accounts receivable, less current expected credit loss of $111 and $110, respectively

  6,729   7,729 

Inventories, net

  439   392 

Prepaid expenses and other current assets

  1,439   1,395 

Total current assets

  38,321   35,825 

Property and equipment, net

  4,539   4,435 

Goodwill

  2,116   2,116 

Other intangible assets, net

  358   397 

Right-of-use operating lease assets

  609   197 

Long-term investments

  3,664   6,360 

Other assets

  781   794 

Total assets

 $50,388  $50,124 

LIABILITIES AND STOCKHOLDERS’ EQUITY

        

Current liabilities:

        

Accounts payable

 $2,421  $2,710 

Accrued liabilities:

        

Operating lease liabilities - current

  81   125 

Employee compensation

  1,252   1,105 

Other accrued liabilities

  1,934   826 

Total current liabilities

  5,688   4,766 

Operating lease liabilities - non-current

  533   66 

Deferred income taxes

  172   177 

Other liabilities

  281   274 

Total liabilities

  6,674   5,283 

Commitments and contingencies (Note 9)

          

Stockholders’ equity:

        

Common stock, $.01 par value, 40,000,000 shares authorized, 31,361,303 and 31,272,303 shares issued, and 30,385,297 and 30,296,297 shares outstanding in 2023 and 2022, respectively

  313   313 

Additional paid-in capital

  164,853   164,422 

Accumulated deficit

  (117,529)  (115,991)

Accumulated other comprehensive loss

  (1,748)  (1,728)

Nil coupon perpetual loan notes

  76   76 

Treasury stock, at cost (Note 5)

  (2,251)  (2,251)

Total stockholders’ equity

  43,714   44,841 

Total liabilities and stockholders’ equity

 $50,388  $50,124 

 

See notes to consolidated financial statements.

 

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Fuel Tech, Inc.

Consolidated Statements of Operations

(in thousands of dollars, except share and per-share data)

 

 

For the years ended December 31,

  
 

2023

  

2022

  

Revenues

 $ 27,081   $ 26,941  

Costs and expenses:

            

Cost of sales

   15,425     15,298  

Selling, general and administrative

   12,803     12,275  

Research and development

   1,511     895  

Total costs and expenses

   29,739     28,468  

Operating loss

   (2,658 )   (1,527 )

Interest expense

   (21 )   (17 )

Interest income

   1,300     202  

Other expense, net

   (90 )   (46 )

Loss before income taxes

   (1,469 )   (1,388 )

Income tax expense

   (69 )   (54 )

Net loss

 $ (1,538 ) $ (1,442 )

Net loss per common share:

            

Basic net loss per common share

 $ (0.05 ) $ (0.05 )

Diluted net loss per common share

 $ (0.05 ) $ (0.05 )

Weighted-average number of common shares outstanding:

            

Basic

   30,348,000     30,289,000  

Diluted

   30,348,000     30,289,000  

 

See notes to consolidated financial statements.

 

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Fuel Tech, Inc.

Consolidated Statements of Comprehensive Loss

(in thousands of dollars)

 

   

For the years ended December 31,

  
   

2023

    

2022

  

Net loss

   $ (1,538 )   $ (1,442 )

Other comprehensive loss:

                

Foreign currency translation adjustments

     (20 )     (124 )

Total other comprehensive loss

     (20 )     (124 )

Comprehensive loss

   $ (1,558 )   $ (1,566 )

 

See notes to consolidated financial statements.

 

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Fuel Tech, Inc.

Consolidated Statements of Stockholders’ Equity

(in thousands of dollars or shares, as appropriate)  

 

   

Common Stock

    

Additional Paid-in

    

Accumulated

     Accumulated Other Comprehensive    

Nil Coupon Perpetual Loan

    

Treasury

          
   

Shares

    

Amount

    

Capital

    

Deficit

    

Loss

    

Notes

    

Stock

    

Total

  

Balance at December 31, 2021

     30,264       312       164,199       (114,549 )     (1,604 )     76       (2,234 )   $ 46,200  

Net loss

     —       —       —       (1,442 )     —       —       —       (1,442 )

Foreign currency translation adjustments

     —       —       —       —       (124 )     —       —       (124 )

Stock compensation expense

     —       —       224       —       —       —       —       224  

Common stock issued upon vesting of restricted stock units

     45       1       (1 )     —       —       —       —       —  

Treasury shares withheld

     (13 )     —       —       —       —       —       (17 )     (17 )

Balance at December 31, 2022

     30,296       313       164,422       (115,991 )     (1,728 )     76       (2,251 )   $ 44,841  

Net loss

     —       —       —       (1,538 )     —       —       —       (1,538 )

Foreign currency translation adjustments

     —       —       —       —       (20 )     —       —       (20 )

Stock compensation expense

     —       —       389       —       —       —       —       389  

Exercise of stock options

     44       —       42       —       —       —       —       42  

Common shares issued upon vesting of restricted stock units

     45       —       —       —       —       —       —       —  

Balance at December 31, 2023

     30,385     $ 313     $ 164,853     $ (117,529 )   $ (1,748 )   $ 76     $ (2,251 )   $ 43,714  

 

See notes to consolidated financial statements.

 

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Fuel Tech, Inc.

Consolidated Statements of Cash Flows

(in thousands of dollars)

 

   

For the years ended December 31,

  
   

2023

    

2022

  

OPERATING ACTIVITIES

                

Net loss

   $ (1,538 )   $ (1,442 )

Adjustments to reconcile net loss to net cash provided by (used in) operating activities:

                

Depreciation

     281       352  

Amortization

     61       88  

Loss on sale of equipment

     10       —  

Non-cash interest income on held-to-maturity securities

     (433 )     (5 )

Provision for credit losses, net of recoveries

     —       (106 )

Deferred income taxes

     (5 )     38  

Stock-based compensation, net of forfeitures

     389       224  

Changes in operating assets and liabilities:

                

Accounts receivable

     1,039       (4,448 )

Inventories

     (46 )     (45 )

Prepaid expenses, other current assets and other non-current assets

     (6 )     (314 )

Accounts payable

     (295 )     1,159  

Accrued liabilities and other non-current liabilities

     1,239       360  

Net cash provided by (used in) operating activities

     696       (4,139 )
                 

INVESTING ACTIVITIES

                

Purchases of equipment and patents

     (418 )     (206 )

Purchases of debt securities

     (14,026 )     (9,777 )

Maturities of debt securities

     8,000       500  

Net cash used in investing activities

     (6,444 )     (9,483 )
                 

FINANCING ACTIVITIES

                

Proceeds from exercise of stock options

     42       —  

Taxes paid on behalf of equity award participants

     —       (17 )

Net cash provided by (used in) financing activities

     42       (17 )

Effect of exchange rate fluctuations on cash

     (44 )     (87 )

Net decrease in cash and cash equivalents

     (5,750 )     (13,726 )

Cash and cash equivalents at beginning of period

     23,328       37,054  

Cash and cash equivalents at end of period

   $ 17,578     $ 23,328  
                 

Supplemental Cash Flow Information:

                

Cash paid for:

                

Cash income taxes paid, net

   $ 12     $ 14  

 

See notes to consolidated financial statements.

 

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Notes to Consolidated Financial Statements

(in thousands of dollars, except share and per-share data)

 

 

1.     ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES     

 

Organization

 

Fuel Tech, Inc. and subsidiaries ("Fuel Tech", the "Company", "we", "us" or "our") develops and provides proprietary technologies for air pollution control, process optimization, water treatment, and advanced engineering services. Our primary focus is on the worldwide marketing and sale of Air Pollution Control (APC) technologies and our FUEL CHEM program.

 

The Company’s nitrogen oxide (NOx) reduction technologies reduce nitrogen oxide emissions from boilers, furnaces and other stationary combustion sources. To reduce NOx emissions, our technologies utilize advanced combustion modification techniques and post-combustion NOx control approaches including non-catalytic, catalytic and combined systems.  The Company also provides solutions for the mitigation of particulate matter, including particulate control with electrostatic precipitator products and services, and using Flue Gas Conditioning (FGC) systems which modify the ash properties of particulate for improved collection efficiency. Our FUEL CHEM program is based on proprietary TIFI® Targeted In-Furnace™ Injection technology, in combination with advanced Computational Fluid Dynamics (CFD) and Chemical Kinetics Modeling (CKM) boiler modeling, in the unique application of specialty chemicals to improve the efficiency, reliability, fuel flexibility, boiler heat rate, and environmental status of combustion units by controlling slagging, fouling, corrosion, and opacity. Water treatment technologies include DGI® Dissolved Gas Infusion Systems which utilize a patented gas-infusing saturator vessel and a patent-pending channel injector to deliver supersaturated oxygen-water solutions and potentially other gas-liquid combinations to target process applications or environmental issues within the municipal and industrial water sectors. The infusion process has a variety of potential applications in the water and wastewater treatment sector, including aquaculture, agriculture/horticulture, pulp & paper, tanneries, landfill leachate, irrigation, treatment of natural waters, wastewater odor management as well as supplying oxygen or other gases for biochemical reactions and pH adjustment.

 

Our business is materially dependent on the continued existence and enforcement of air quality regulations, particularly in the U.S. We have expended significant resources in the research and development of new technologies in building our proprietary portfolio of air pollution control, fuel and boiler treatment chemicals, computer modeling and advanced visualization technologies. Many of Fuel Tech's products and services rely heavily on the Company's CFD modeling capabilities, which are enhanced by internally developed, high-end visualization software.

 

International revenues were $6,019 and $6,630 for the years ended December 31, 2023 and 2022, respectively. These amounts represented 22% and 25% of Fuel Tech’s total revenues for the respective periods of time. Foreign currency changes did not have a material impact on the calculation of these percentages. We have foreign offices in Beijing, China and Gallarate, Italy.

 

Basis of Presentation

 

The consolidated financial statements include the accounts of Fuel Tech and its wholly owned subsidiaries. 

 

The consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the U.S. (GAAP). The books and records of subsidiaries located in foreign countries are maintained according to generally accepted accounting principles in those countries. Upon consolidation, the Company evaluates the differences in accounting principles and determines whether adjustments are necessary to convert the foreign financial statements to the accounting principles upon which the consolidated financial statements are based. All intercompany transactions have been eliminated.

 

Geopolitical and Unexpected Events 

 

Management cannot predict the full impact of geopolitical and unexpected events which may impact new or existing projects and prices and availability of raw materials, energy and other materials. These events may also impact energy and regulatory policy nationally or regionally for the impacted regions. Such disruptions could have a material adverse effect on our business and financial results. The Company continues to monitor the potential impacts on the business.

 

Liquidity

 

We have experienced net losses in recent years. We continue to monitor our liquidity needs and have taken measures to reduce expenses and restructure operations, which we feel are necessary to ensure we maintain sufficient working capital and liquidity to operate the business and invest in our future. As a result, we have evaluated our ongoing business needs, and considered the cash requirements of our APC and FUEL CHEM businesses. This evaluation included consideration of the following: a) customer and revenue trends in our APC and FUEL CHEM business segments, b) current operating structure and expenditure levels, c) current availability of working capital, and d) support for our research and development initiatives. We believe our current cash position and net cash flows expected to be generated from operations are adequate to fund planned operations of the Company.

 

 

Use of Estimates

 

The preparation of the financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. The Company uses estimates in accounting for, among other items, revenue recognition, allowance for credit losses, income tax provisions, excess and obsolete inventory reserve, impairment of long-lived assets, and warranty expenses. Actual results could differ from those estimates.

 

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Fair Value Measurements

 

The carrying values of cash and cash equivalents, accounts receivable, and accounts payable are reasonable estimates of their fair value due to their short-term nature.

 

We apply authoritative accounting guidance for fair value measurements of financial and non-financial assets and liabilities. This guidance defines fair value, establishes a consistent framework for measuring fair value and expands disclosure for each major asset and liability category measured at fair value on either a recurring or nonrecurring basis and clarifies that fair value is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. As such, fair value is a market-based measurement that should be determined based on assumptions that market participants would use in pricing an asset or liability. As a basis for considering such assumptions, the standard establishes a three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value as follows:

 

 

•

Level 1 – Observable inputs to the valuation methodology such as quoted prices in active markets for identical assets or liabilities

 

 

•

Level 2 – Inputs to the valuation methodology including quoted prices for similar assets or liabilities in active markets, quoted prices for identical assets or liabilities in inactive markets, inputs other than quoted prices that are observable for the asset or liability, and inputs that are derived principally from or corroborated by observable market data by correlation or other means

 

 

•

Level 3 – Significant unobservable inputs in which there is little or no market data, which require the reporting entity to develop its own estimates and assumptions or those expected to be used by market participants. Generally, these fair value measures are model-based valuation techniques such as discounted cash flows, option pricing models, and other commonly used valuation techniques

 

Transfers between levels of the fair value hierarchy are recognized based on the actual date of the event or change in circumstances that caused the transfer. We had no assets or liabilities that were valued using level 2 or level 3 inputs and therefore there were no transfers between levels of the fair value hierarchy during the periods ended December 31, 2023 and 2022.

 

Cash and cash equivalents

 

We consider all highly liquid debt investments with original maturities from the date of purchase of three months or less as cash equivalents. Cash equivalents include investments in money market funds. At December 31, 2023, we had cash on hand of approximately $601 at our Beijing, China subsidiary that is subject to certain local regulations that may limit the immediate availability of these funds outside of China. Cash on hand at our Italy subsidiary totaled approximately $821 at December 31, 2023. Cash on hand at our Chilean subsidiary totaled approximately $200 at December 31, 2023.

 

The following table provides a reconciliation of cash and cash equivalents reported within the Consolidated Balance Sheet that sum to the total of the same such amounts shown in the Consolidated Statements of Cash Flows:

 

  

December 31, 2023

  

December 31, 2022

 

Cash

 $12,495  $12,560 

Cash equivalents

  5,083   10,768 

Total cash and cash equivalents shown in the Consolidated Statements of Cash Flows

 $17,578  $23,328 

 

Investments

 

In June 2022, the Board of Directors approved a plan to invest up to $10,000 of excess capital in debt securities, or held in money market funds until such investments can be made, with BMO Harris Bank N.A (BMO Harris). In December 2022, the Board of Directors approved an additional transfer of $10,000 of excess capital into the investment account. A portion of the funds invested are restricted as collateral under the Investment Collateral Security agreement (see Note 11). At December 31, 2023, the amount of funds collateralized under the Investment Collateral Security agreement is $1,356 relating to existing standby letters of credit that is comprised of $904 with varying maturity dates and expire no later than November 30, 2025.

 

Our investments in debt securities consist of United States (US) Treasury securities, including Notes, Bonds, and Bills, and US Government Agency securities, which are designated as held-to-maturity (HTM) and stated at amortized cost. The Company has the positive intent and ability to hold these investments to maturity and does not expect to sell any debt securities before maturity to settle an obligation under the Investment Collateral Security agreement. The maturities of our HTM investments range from three to thirty-six months. HTM debt investments with original maturities of approximately three months or less from the date of purchase are classified within cash and cash equivalents. HTM debt investments with original maturities at the date of purchase greater than approximately three months and remaining maturities of less than one year are classified as short-term investments. HTM debt investments with remaining maturities beyond one year are classified as long-term investments. Interest income, including amortization of premium and accretion of discount, are included on the Consolidated Statements of Operations in Interest income under the effective yield method. Accrued interest is included in Prepaid expenses and other current assets on the Consolidated Balance Sheets. Due to the creditworthiness of the entities issuing these securities, there is no impairment recorded related to the unrealized losses.

 

The following table provides the amortized cost, gross unrealized gains and losses, and fair value of our HTM debt securities:

 

  

December 31,

 
  

2023

  

2022

 

Held-to-maturity debt securities:

        

Amortized cost

 $15,800  $9,341 

Gross unrecognized gains

  —   — 

Gross unrecognized losses

  (86)  (168)

Fair value

 $15,714  $9,173 

 

The following table provides the amortized cost and fair value of debt securities by maturities at December 31, 2023:

 

  

Amortized Cost

  

Fair Value

 

Within one year

 $12,136  $12,056 

After one year through two years

  3,664   3,658 

Total

 $15,800  $15,714 

 

Foreign Currency Risk Management

 

Our earnings and cash flows are subject to fluctuations due to changes in foreign currency exchange rates. We do not enter into foreign currency forward contracts or into foreign currency option contracts to manage this risk due to the nature of the transactions involved.

 

Accounts Receivable

 

Accounts receivable consist of amounts due to us in the normal course of our business, are not collateralized, and normally do not bear interest. Accounts receivable includes contract assets, billings occurring subsequent to revenue recognition under Accounting Standards Codification (ASC) 606 Revenue from Contracts with Customers. At December 31, 2023 and 2022, unbilled receivables were approximately $2,285 and $3,082, respectively. Refer to Note 2 for further detail.

 

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Allowance for Credit Losses

 

In June 2016, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, and in November 2019, the FASB issued ASU 2019-10, Financial Instruments - Credit Losses (Topic 326), Derivatives and Hedging (Topic 815), and Leases (Topic 842). This guidance requires the measurement of all expected losses based on historical experience, current conditions and reasonable and supportable forecasts. For trade receivables and other financial instruments, we are required to use a forward-looking expected loss model rather than the incurred loss model for recognizing credit losses which reflects losses that are probable. The Company adopted these ASUs on January 1, 2023 using the prospective method. Application of the amendments did not require a cumulative-effect adjustment to retained earnings as of the effective date and did not have a material impact on our financial statements. Beginning on January 1, 2023, Fuel Tech will use the caption Allowance for Credit Losses and our expected credit loss model to calculate the allowance.

 

For the general risk categories, the Company uses historical losses over a fixed period, excluding certain write-off activity that was not considered credit loss events, to determine the historical credit loss. Historical loss rates are then adjusted to consider current economic conditions, and past, current, and future events and circumstances when determining expected credit losses. Investments in financial assets issued by US Government and Government Agency are considered as having zero expected credit losses and are excluded from the allowance for credit loss calculation.

 

The allowance for credit losses is our management's best estimate of the amount of credit losses in accounts receivable. At the end of each reporting period, the allowance for credit losses balance is reviewed relative to management’s assessment and is adjusted if deemed necessary. Bad debt write-offs are made when management believes it is probable a receivable will not be recovered. The table below sets forth the components of the Allowance for Credit Losses for the years ended December 31.

 

Year

 Balance at January 1  

Provision charged to expense

  

Write-offs / Recoveries

  

Balance at December 31

 

2022

 $223  $(19) $(94) $110 

2023

 $110  $24  $(23) $111 

 

Prepaid expenses and other current assets

 

Prepaid expenses and other current assets are short-term commitments of typically three to six months for future payments and can be redeemed at a discount or applied to future vendor payments.

 

Inventories

 

Inventories consist primarily of equipment constructed for resale and spare parts and are stated at the lower of cost or net realizable value, using the weighted-average cost method. At December 31, 2023 and 2022, inventory included equipment constructed for resale of$207 and $207, respectively, and spare parts, net of reserves of $232 and $185, respectively. Usage is recorded in cost of sales in the period that parts were issued to a project, used to service equipment, or sold to customers. Equipment constructed for resale that is in process is recorded in Other assets. In process equipment for inventory recorded as other assets was $618 and $634 as of December 31, 2023 and 2022, respectively.   

 

Inventories are periodically evaluated to identify obsolete or otherwise impaired parts and are written off when management determines usage is not probable. The Company estimates the balance of excess and obsolete inventory by analyzing inventory by age using last used and original purchase date and existing sales pipeline for which the inventory could be used. The table below sets forth the components of the Excess and Obsolete Inventory Reserve for the years ended December 31.

 

Year

 Balance at January 1  

Provision charged to expense

  

Write-offs / Recoveries

  

Balance at December 31

 

2022

 $927  $—  $—  $927 

2023

 $927  $(56) $(258) $613 

 

Foreign Currency Translation and Transactions

 

Assets and liabilities of consolidated foreign subsidiaries are translated into U.S. dollars at exchange rates in effect at year end. Revenues and expenses are translated at average exchange rates prevailing during the year. Gains or losses on foreign currency transactions and the related tax effects are reflected in net loss. The resulting translation adjustments are included in stockholders’ equity as part of accumulated other comprehensive loss.

 

Accumulated Other Comprehensive Loss

 

  

December 31,

 
  

2023

  

2022

 

Foreign currency translation

        

Balance at beginning of period

 $(1,728) $(1,604)

Other comprehensive loss:

        

Foreign currency translation adjustments (1)

  (20)  (124)

Balance at end of period

 $(1,748) $(1,728)

Total accumulated other comprehensive loss

 $(1,748) $(1,728)

 

(1)

In all periods presented, there were no tax impacts related to functional currency translation adjustments.

 

Research and Development

 

Research and development costs are expensed as incurred. Research and development projects funded by customer contracts are reported as part of cost of goods sold. Internally funded research and development expenses are reported as operating expenses.

 

Product/System Warranty

 

We typically warrant our air pollution control products and systems against defects in design, materials and workmanship for one to two years. A provision for estimated future costs relating to warranty expense is recorded when the products/systems become commercially operational.

 

Goodwill

 

Goodwill is evaluated for impairment at the reporting unit level, which is defined as an operating segment or one level below an operating segment. Goodwill of our reporting units is assigned upon acquisition after considering the nature of the net assets giving rise to the goodwill and how each reporting unit would enjoy the benefits and synergies of the net assets acquired. We have two reporting units for goodwill evaluation purposes: the FUEL CHEM technology reporting unit and the APC technology reporting unit. There is no goodwill associated with our APC technology reporting unit. The entire goodwill balance of $2,116 was allocated to the FUEL CHEM technology reporting unit as of December 31, 2023 and 2022.

 

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Goodwill is tested for impairment at least annually as of the first day of our fourth quarter, or more frequently if events or changes in circumstances indicate that the carrying value may not be recoverable. Our evaluation of goodwill impairment involves first assessing qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount. We may bypass this qualitative assessment, or determine that based on our qualitative assessment considering the totality of events and circumstances including macroeconomic factors, industry and market considerations, current and projected financial performance, a sustained decrease in our share price, or other factors, that additional impairment analysis is necessary. This additional analysis involves comparing the current fair value of our reporting units to their carrying values. We use a discounted cash flow (DCF) model to determine the current fair value of our FUEL CHEM reporting unit. A number of significant assumptions and estimates are involved in the application of the DCF model to forecast operating cash flows, including markets and market share, sales volumes and prices, costs to produce and working capital changes. Management considers historical experience and all available information at the time the fair values of its reporting units are estimated. However, actual fair values that could be realized in an actual transaction may differ from those used to evaluate the impairment of goodwill. Fuel Tech performed its annual goodwill impairment analysis as of October 1, 2023 and determined that no impairment of goodwill existed. The Company did not recognize a charge for goodwill impairment for the periods ended December 31, 2023 and 2022.

 

Other Intangible Assets

 

Management reviews other finite-lived intangible assets, patent assets, trade names, and lease assets for impairment when events or changes in circumstances indicate the carrying amount of an asset or asset group may not be recoverable. In the event that impairment indicators exist, a further analysis is performed and if the sum of the expected undiscounted future cash flows resulting from the use of the asset or asset group is less than the carrying amount of the asset or asset group, an impairment loss equal to the excess of the asset or asset group's carrying value over its fair value is recorded. Management considers historical experience and all available information at the time the estimates of future cash flows are made, however, the actual cash values that could be realized may differ from those that are estimated.

 

During the years ended December 31, 2023 and 2022, Fuel Tech recorded no patent or trademark abandonment charges.

 

Third-party costs related to the development of patents are included within other intangible assets on the consolidated balance sheets. The third-party costs capitalized as patent costs during the years ended December 31, 2023 and 2022 were $28 and $37, respectively. Third-party costs are comprised of legal fees that relate to the review and preparation of patent disclosures and filing fees incurred to present the patents to the required governing body.

 

Our intellectual property portfolio has been a significant building block for the APC and FUEL CHEM technology segments. The patents are essential to the generation of revenue for our businesses and are essential to protect us from competition in the markets in which we serve. These costs are being amortized on the straight-line method over the period beginning with the patent issuance date and ending on the patent expiration date. Patent maintenance fees are charged to operations as incurred.

 

Amortization expense from continuing operations for intangible assets was $61 and $88 for the years ended December 31, 2023 and 2022, respectively. The table below shows the amortization period and other intangible asset cost by intangible asset as of December 31, 2023 and 2022, and the accumulated amortization and net intangible asset value in total for all other intangible assets.

 

      

2023

  

2022

 

Description of Other Intangibles

 

Amortization Period (years)

  

Gross Carrying Amount

  

Accumulated Amortization

  

Net Carrying Amount

  

Gross Carrying Amount

  

Accumulated Amortization

  

Net Carrying Amount

 

Patent assets

  1 - 20   826   (468)  358   803   (406)  397 

Total

     $826  $(468) $358  $803  $(406) $397 

 

The table below shows the estimated future amortization expense for intangible assets:

 

Year

 Estimated Amortization Expense 

2024

 $54 

2025

  33 

2026

  32 

2027

  32 

2028

  32 

Thereafter

  175 

Total

 $358 

 

Property and Equipment

 

Property and equipment is stated at historical cost and does not include capital in process expenditures yet to be capitalized. Provisions for depreciation are computed by the straight-line method, using estimated useful lives that range based on the nature of the asset. Leasehold improvements are depreciated over the shorter of the associated lease term or the estimated useful life of the asset. Depreciation expense was $281 and $352 for the years ended December 31, 2023 and 2022, respectively. The table below shows the depreciable life and cost by asset class as of December 31, 2023 and 2022, and the accumulated depreciation and net book value in total for all classes of assets.

 

Description of Property and Equipment

 Depreciable Life (years)  

2023

  

2022

 

Land

     $1,050  $1,050 

Building

  39   3,950   3,950 

Building and leasehold improvements

  3 - 39   2,655   2,626 

Field equipment

  3 - 4   12,100   11,882 

Computer equipment and software

  2 - 3   2,049   2,117 

Furniture and fixtures

  3 - 10   1,307   1,306 

Vehicles

  5   32   32 

Construction in process

      99   29 

Total cost

      23,242   22,992 

Less accumulated depreciation

      (18,703)  (18,557)

Total net book value

     $4,539  $4,435 

 

Property and equipment is reviewed for impairment when events and circumstances indicate that the carrying amount of the assets (or asset group) may not be recoverable. If impairment indicators exist, we perform a more detailed analysis and an impairment loss is recognized when estimated future undiscounted cash flows expected to result from the use of the asset (or asset group) and its eventual disposition are less than the carrying amount. This process of analyzing impairment involves examining the operating condition of individual assets (or asset group) and estimating a fair value based upon current condition, relevant market factors and remaining estimated operational life compared to the asset’s remaining depreciable life. Quoted market prices and other valuation techniques are used to determine expected cash flows.

 

 

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Revenue Recognition

 

The Company recognizes revenue when control of the promised goods or services is transferred to our customers, in an amount that reflects the consideration we expect to be entitled to in exchange for those goods or services. The majority of our contracts have a single performance obligation as the promise to transfer the individual goods or services is not separately identifiable from other promises in the contracts and, therefore, not distinct. Revenue is measured as the amount of consideration we expect to receive in exchange for transferring goods or providing services. Sales, value add, and other taxes we collect concurrent with revenue-producing activities are excluded from revenue.

 

Air Pollution Control Technology

 

Fuel Tech’s APC contracts are typically six to eighteen months in length. A typical contract will have three or four critical operational measurements that, when achieved, serve as the basis for us to invoice the customer via progress billings. At a minimum, these measurements will include the generation of engineering drawings, the shipment of equipment and the completion of a system performance test.

 

As part of most of its contractual APC project agreements, Fuel Tech will agree to customer-specific acceptance criteria that relate to the operational performance of the system that is being sold. These criteria are determined based on modeling that is performed by Fuel Tech personnel, which is based on operational inputs that are provided by the customer. The customer will warrant that these operational inputs are accurate as they are specified in the binding contractual agreement. Further, the customer is solely responsible for the accuracy of the operating condition information; typically all performance guarantees and equipment warranties granted by us are voidable if the operating condition information is inaccurate or is not met.

 

Since control transfers over time, revenue is recognized based on the extent of progress towards completion of the single performance obligation. Fuel Tech uses the cost-to-cost input measure of progress for our contracts since it best depicts the transfer of assets to the customer which occurs as we incur costs on our contracts. Under the cost-to-cost input measure of progress, the extent of progress towards completion is measured based on the ratio of costs incurred to date to the total estimated costs at completion of the performance obligation. Revenues are recorded proportionally as costs are incurred. Costs to fulfill include all internal and external engineering costs, equipment charges, inbound and outbound freight expenses, internal and site transfer costs, installation charges, purchasing and receiving costs, inspection costs, warehousing costs, project personnel travel expenses and other direct and indirect expenses specifically identified as project- or product-line related, as appropriate (e.g. test equipment depreciation and certain insurance expenses).

 

Fuel Tech’s APC product line also includes ancillary revenue for post contractual goods and services. Revenue associated with these activities are recognized at point in time when delivery of goods or completion of the service obligation is performed.

 

Fuel Tech normally provides performance guarantees to our customers based on the operating conditions for the project. As part of the project implementation process, we perform system start-up and optimization services that effectively serve as a test of actual project performance. We believe that this test, combined with the accuracy of the modeling that is performed, enables revenue to be recognized prior to the receipt of formal customer acceptance.

 

FUEL CHEM

 

Revenues from the sale of chemical products are recognized when control transfers to customer upon shipment or delivery of the product based on the applicable shipping terms. We generally recognize revenue for these arrangements at a point in time based on our evaluation of when the customer obtains control of the promised goods or services. 

 

On occasion, Fuel Tech will engineer and sell its chemical pumping equipment.  These projects are similar in nature to the APC projects described above and for those projects where control transfers over time, revenue is recognized based on the extent of progress towards completion of the single performance obligation. 

 

For projects containing multiple performance obligations, the Company allocates the transaction price based on the estimated standalone selling price. The Company must develop assumptions that require judgment to determine the stand-alone selling price for each performance obligation identified in the contract. The Company utilizes key assumptions to determine the stand-alone selling price, which may include other comparable transactions, pricing considered in negotiating the transaction and the estimated costs. Variable consideration is allocated specifically to one or more performance obligations in a contract when the terms of the variable consideration relate to the satisfaction of the performance obligation and the resulting amounts allocated are consistent with the amounts the Company would expect to receive for the satisfaction of each performance obligation.

 

The consideration allocated to each performance obligation is recognized as revenue when control is transferred for the related goods or services. For performance obligations which consist of licenses and other promises, the Company utilizes judgment to assess the nature of the combined performance obligation to determine whether the combined performance obligation is satisfied over time or at a point in time and, if over time, the appropriate method of measuring progress. The Company evaluates the measure of progress each reporting period and, if necessary, adjusts the measure of performance and related revenue recognition.

 

The Company receives payments from its customers based on billing schedules established in each contract. Up-front payments and fees are recorded as deferred revenue upon receipt or when due until the Company performs its obligations under these arrangements. Amounts are recorded as accounts receivable when the Company’s right to consideration is unconditional.

 

 

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Cost of Sales

 

Cost of sales includes all internal and external engineering costs, equipment and chemical charges, inbound and outbound freight expenses, internal and site transfer costs, installation charges, purchasing and receiving costs, inspection costs, warehousing costs, project personnel travel expenses and other direct and indirect expenses specifically identified as project- or product line-related, as appropriate (e.g., test equipment depreciation and certain insurance expenses). Certain depreciation and amortization expenses related to tangible and intangible assets, respectively, are allocated to cost of sales. We classify shipping and handling costs in cost of sales in the consolidated statements of operations.

 

Selling, General and Administrative Expenses

 

Selling, general and administrative expenses primarily include the following categories except where an allocation to the cost of sales line item is warranted due to the project- or product-line nature of a portion of the expense category: salaries and wages, employee benefits, non-project travel, insurance, legal, rent, accounting and auditing, recruiting, telephony, employee training, Board of Directors’ fees, auto rental, office supplies, dues and subscriptions, utilities, real estate taxes, commissions and bonuses, marketing materials, postage and business taxes. Departments comprising the selling, general and administrative line item primarily include the functions of executive management, finance and accounting, investor relations, regulatory affairs, marketing, business development, information technology, human resources, sales, legal and general administration.

 

Income Taxes

 

The provision for income taxes is determined using the asset and liability approach of accounting for income taxes. Under this approach, the provision for income taxes represents income taxes paid or payable (or received or receivable) for the current year plus the change in deferred taxes during the year. Deferred taxes represent the future tax consequences expected to occur when the reported amounts of assets and liabilities are recovered or paid, and result from differences between the financial and tax bases of our assets and liabilities and are adjusted for changes in tax rates and tax laws when enacted. Valuation allowances are recorded to reduce deferred tax assets when it is more likely than not that a tax benefit will not be realized. In evaluating the need for a valuation allowance, management considers all potential sources of taxable income, including income available in carryback periods, future reversals of taxable temporary differences, projections of taxable income, and income from tax planning strategies, as well as all available positive and negative evidence. Positive evidence includes factors such as a history of profitable operations, projections of future profitability within the carryforward period, including from tax planning strategies, and our experience with similar operations. Negative evidence includes items such as cumulative losses, projections of future losses, or carryforward periods that are not long enough to allow for the utilization of a deferred tax asset based on existing projections of income. Deferred tax assets for which no valuation allowance is recorded may not be realized upon changes in facts and circumstances.

 

Tax benefits related to uncertain tax positions taken or expected to be taken on a tax return are recorded when such benefits meet a more likely than not threshold. Otherwise, these tax benefits are recorded when a tax position has been effectively settled, which means that the statute of limitation has expired or the appropriate taxing authority has completed their examination even though the statute of limitations remains open. Interest and penalties related to uncertain tax positions are recognized as part of the provision for income taxes and are accrued beginning in the period that such interest and penalties would be applicable under relevant tax law until such time that the related tax benefits are recognized.

 

Leases

 

The Company applies the provisions of ASC 842, Leases. The Company determines if an arrangement is a lease at inception by evaluating whether the arrangement conveys the right to use an identified asset and whether the Company obtains substantially all of the economic benefits from and has the ability to direct the use of the asset. Right-of-use (ROU) assets and lease liabilities are recognized at the lease commencement date based on the present value of the future minimum lease payments over the lease term. Operating ROU assets also include the impact of any lease incentives. Operating leases are included in right-of-use operating lease assets, operating lease liabilities - current, and operating lease liabilities - non-current on our Consolidated Balance Sheets.

 

Operating lease ROU assets and operating lease liabilities are recognized based on the present value of the future minimum lease payments over the lease term at commencement date. As most of our leases do not provide an implicit rate, we use our incremental borrowing rate based on the information available at commencement date in determining the present value of future payments. The operating lease ROU asset also includes any lease payments made and excludes lease incentives and initial direct costs incurred. Our lease terms may include options to extend or terminate the lease when it is reasonably certain that we will exercise that option. Lease expense for minimum lease payments is recognized on a straight-line basis over the lease term.

 

We have lease agreements with lease and non-lease components, and we elected the practical expedient to not separate lease and non-lease components for the majority of our leases. For certain equipment leases, such as vehicles, we account for the lease and non-lease components as a single lease component. We also elected the practical expedient for leases with an initial term of 12 months or less.

 

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Stock-Based Compensation

 

Our stock-based employee compensation plan, referred to as the Fuel Tech, Inc. 2014 Long-Term Incentive Plan (Incentive Plan), was adopted in May 2014 and allows for awards to be granted to participants in the form of non-qualified stock options, incentive stock options, stock appreciation rights, restricted stock, restricted stock units, performance awards, and bonuses or other forms of share-based or non-share-based awards or combinations thereof. Participants in the Incentive Plan may be our directors, officers, employees, consultants or advisors (except consultants or advisors in capital-raising transactions) as the directors determine are key to the success of our business. There are a maximum of 5,884,076 shares that may be issued or reserved for awards to participants under the Incentive Plan as of December 31, 2023. Based on the existing issued or reserved awards in Incentive Plan, there are 645,650 shares available to be used for future awards to participants in the Incentive Plan as of December 31, 2023.

 

Defined Contribution Plan

 

We have a retirement savings plan available for all our U.S. employees who have met minimum length-of-service requirements. Our contributions are determined based upon amounts contributed by the employees with additional contributions made at the discretion of the Board of Directors. Costs related to this plan were $233 and $200 in 2023 and 2022, respectively.

 

Basic and Diluted Earnings per Common Share

 

Basic earnings per share excludes the antidilutive effects of stock options, restricted stock units (RSUs), warrants, and the nil coupon non-redeemable convertible unsecured loan notes (see Note 6). Diluted earnings per share includes the dilutive effect of the nil coupon non-redeemable convertible unsecured loan notes, RSUs, warrants, and unexercised in-the-money stock options, except in periods of net loss where the effect of these instruments is antidilutive. Out-of-the-money stock options and warrants are excluded from diluted earnings per share because they are unlikely to be exercised and would be anti-dilutive if they were exercised. At December 31, 2023 and 2022, basic earnings per share is equal to diluted earnings per share because all outstanding stock awards, warrants, and convertible loan notes are considered anti-dilutive during periods of net loss. At December 31, 2023 and 2022, we had weighted-average outstanding equity awards of 390,900 and 763,800, respectively, and 2,850,000 warrants in both periods, which were antidilutive or represent out-of-the-money options for the purpose of calculation of the diluted earnings per share. As of December 31, 2023 and 2022, 246,500 and 42,600 incremental equity awards were antidilutive because of the net loss in the year then ended, respectively. These equity awards could potentially dilute basic EPS in future years.

 

The table below sets forth the weighted-average shares used at December 31 in calculating earnings (loss) per share:

 

  

2023

  

2022

 

Basic weighted-average shares

  30,348,000   30,289,000 

Conversion of unsecured loan notes

  —   — 

Unexercised options and unvested restricted stock units

  —   — 

Diluted weighted-average shares

  30,348,000   30,289,000 

 

Risk Concentrations

 

Financial instruments that potentially subject the Company to a significant concentration of credit risk consist primarily of cash and cash equivalents and accounts receivable. The Company maintains deposits in federally insured financial institutions in excess of federally insured limits. However, management believes the Company is not exposed to significant credit risk due to the financial position of its primary depository institution where a significant portion of its deposits are held.

 

For the year ended December 31, 2023, we had two customers which individually represented greater than 10% of revenues. These two customers contributed revenues to the FUEL CHEM technology segment. In total these two customers represented 36% of consolidated revenues. We had no customer that accounted for greater than 10% of our current assets as of December 31, 2023.

 

For the year ended December 31, 2022, we had three customers which individually represented greater than 10% of revenues. Two customers primarily contributed revenues to the FUEL CHEM technology segment and one contributed revenue to the APC technology segment. In total these three customers represented 48% of consolidated revenues. We had no customer that accounted for greater than 10% of our current assets as of December 31, 2022.

 

We control credit risk through requiring milestone payments on long-term contracts, performing ongoing credit evaluations of its customers, and in some cases obtaining security for payment through bank guarantees and letters of credit.

 

Our FUEL CHEM technology segment is dependent, in part, upon a supply of magnesium hydroxide. Any adverse changes in the availability of this chemical will likely have an adverse impact on ongoing operation of our FUEL CHEM programs. Our supplier of magnesium hydroxide, Martin Marietta Magnesia Specialties, LLC (MMMS) assures the continuance of a stable supply from MMMS of magnesium hydroxide products for our requirements in the U.S. and Canada. MMMS supplies us with magnesium hydroxide products manufactured pursuant to our specifications and we have agreed to purchase from MMMS, and MMMS has agreed to supply, 100% of our requirements for such magnesium hydroxide products for our customers who purchase such products for delivery in the U.S. and Canada. There can be no assurance that we will be able to obtain a stable source of magnesium hydroxide in markets outside the U.S.

 

Treasury Stock

 

We use the cost method to account for common stock repurchases. During the years ended December 31, 2023 and 2022, we withheld 0 and 12,497 shares of our common stock, valued at approximately $0 and $17, respectively, to settle personal tax withholding obligations that arose as a result of restricted stock units that vested. Refer to Note 5, “Treasury Stock,” for further discussion.

 

Recently Issued Accounting Pronouncements

 

 

In November 2023, the FASB issued ASU 2023- 07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures, which provides guidance for additional disclosures around segment reporting. The standard will become effective for annual periods beginning on January 1, 2024 for Fuel Tech and for interim periods thereafter. Application of the amendments is retrospective. The Company is reviewing the impact of this new pronouncement and expects to incorporate the additional disclosures in the Segment note when the ASU is adopted. 

 

 

In December 2023, the FASB issued ASU 2023- 09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which provides guidance for additional disclosures around the tax rate reconciliation and other tax disclosures. The standard will become effective for annual periods beginning on January 1, 2025 for Fuel Tech. Application of the amendments should be applied prospectively but retrospective application is permitted. The Company is reviewing the impact of this new pronouncement and expects to incorporate the additional disclosures in the Tax note when the ASU is adopted.
 

 

 

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2.     REVENUE RECOGNITION

 

Disaggregated Revenue by Product Technology

 

The following table presents our revenues disaggregated by product technology:

 

  

Twelve Months Ended December 31,

 
  

2023

  

2022

 

Air Pollution Control

        

Technology solutions

 $9,497  $7,935 

Spare parts

  2,239   911 

Ancillary revenue

  1,747   1,751 

Total Air Pollution Control technology

  13,483   10,597 

FUEL CHEM

        

FUEL CHEM technology solutions

  13,598   16,344 

Total Revenues

 $27,081  $26,941 

 

Disaggregated Revenue by Geography

 

The following table presents our revenues disaggregated by geography, based on the location of the end-user:

 

  

Twelve Months Ended December 31,

 
  

2023

  

2022

 

United States

 $21,062  $20,311 

Foreign Revenues

        

Americas

  577   213 

Europe

  3,064   2,888 

Asia

  2,378   3,529 

Total Foreign Revenues

  6,019   6,630 

Total Revenues

 $27,081  $26,941 

 

Timing of Revenue Recognition

 

The following table presents the timing of our revenue recognition:

 

  

Twelve Months Ended December 31,

 
  

2023

  

2022

 

Products transferred at a point in time

 $17,584  $18,849 

Products and services transferred over time

  9,497   8,092 

Total Revenues

 $27,081  $26,941 

 

Contract Balances

 

The timing of revenue recognition, billings and cash collections results in billed accounts receivable, unbilled receivables (contract assets), and customer advances and deposits (contract liabilities) on the Consolidated Balance Sheets. In our APC technology segment, amounts are billed as work progresses in accordance with agreed-upon contractual terms. Generally, billing occurs subsequent to revenue recognition, resulting in contract assets. For the FUEL CHEM technology segment, deliveries made in the current period but billed in subsequent periods are also considered contract assets. These assets are reported on the Consolidated Balance Sheet on a contract-by-contract basis at the end of each reporting period. At December 31, 2023, 2022, and 2021 contract assets for APC technology projects were approximately $2,285, $3,082, and $1,277, respectively, and are included in accounts receivable on the consolidated balance sheets. There were no contract assets for the FUEL CHEM technology segment as of  December 31, 2023, 2022, and 2021.

 

However, the Company will periodically bill in advance of costs incurred before revenue is recognized, resulting in contract liabilities. These liabilities are reported on the consolidated balance sheet on a contract-by-contract basis at the end of each reporting period. Contract liabilities were $1,279, $372, and $390 at December 31, 2023, 2022, and 2021, respectively, and are included in other accrued liabilities on the consolidated balance sheets.

 

Changes in the contract asset and liability balances during the year ended  December 31, 2023, were not materially impacted by any other items other than amounts billed and revenue recognized as described previously. Revenue recognized that was included in the contract liability balance at the beginning of the period was $368 and $384 for the years ended December 31, 2023 and 2022, respectively, which represented primarily revenue from progress toward completion of our APC technology contracts. 

 

As of December 31, 2023 and 2022 we had no construction contracts in progress that were identified as a loss contract. 

 

Remaining Performance Obligations

 

Remaining performance obligations, represents the transaction price of APC technology booked orders for which work has not been performed. As of December 31, 2023, the aggregate amount of the transaction price allocated to remaining performance obligations was $7,458. The Company expects to recognize revenue on approximately $7,389 of the remaining performance obligations over the next 12 months.

 

Practical Expedients and Exemptions

 

We generally expense sales commissions on a ratable basis when incurred because the amortization period would have been one year or less. These costs are recorded within selling, general and administrative expenses within the Consolidated Statements of Operations. A practical expedient was elected to not recognize shipping and handling costs as a separate performance obligation under ASC 606.

 

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Accounts Receivable

 

The components of accounts receivable are as follows:

 

  

As of

 
  

December 31, 2023

  

December 31, 2022

 

Trade receivables

 $4,300  $4,605 

Unbilled receivables

  2,285   3,082 

Other short-term receivables

  255   152 

Allowance for credit losses

  (111)  (110)

Total accounts receivable

 $6,729  $7,729 

  
 

3.     INCOME TAXES

 

Within the calculation of the Company’s annual effective tax rate, the Company has used assumptions and estimates that may change as a result of future guidance, interpretation, and rule-making from the Internal Revenue Service, the SEC, and the FASB and/or various other taxing jurisdictions.  For example, the Company anticipates that the state jurisdictions will continue to determine and announce their conformity to the U.S. Tax Act which could have an impact on the annual effective tax rate.

 

On August 16, 2022, President Biden signed into law the Inflation Reduction Act (IRA) of 2022, which, among other things, imposes a new 15% corporate Alternative Minimum Tax (AMT) based on audited financial statement income ("AFSI") applicable to corporations with a three-year average AFSI over $1 billion. The AMT is effective for the 2023 tax year and, if applicable, corporations must pay the greater of the regular corporate income tax or the AMT. Although NOL carryforwards created through the regular corporate income tax system cannot be used to reduce the AMT, financial statement net operating losses can be used to reduce AFSI and the amount of AMT owed. The IRA of 2022 as enacted requires the U.S. Treasury to provide regulations and other guidance necessary to administer the AMT, including further defining allowable adjustments to determine AFSI, which directly impacts the amount of AMT to be paid. Based on interim guidance issued by the U.S. Treasury in late December 2022, the Company was not subject to the AMT in 2023. Further, the Company believes that it is more likely than not it will not be subject to the AMT beginning 2024. The Company continues to evaluate the impacts of the Inflation Reduction Act of 2022 but does not expect this legislation to have a material impact on the Company's financial statements.

 

For tax years beginning before January 1, 2022, taxpayers can make an election with respect to research and experimental (R&E) expenditures incurred in connection with a trade or business to either currently deduct or defer and amortize such expenditures over a period of not less than 60 months. However, the Tax Cuts and Jobs Act of 2017 (TCJA) requires taxpayers to capitalize R&E expenditures effective for taxable years beginning after December 31, 2021. R&E expenditures attributable to US-based research must be amortized over a period of 5 years and R&E expenditures attributable to research conducted outside of the US must be amortized over a period of 15 years. Further, the statute provides that the definition of R&E expenditures includes amounts paid or incurred in connection with the development of any software.  The Company has recorded a deferred tax asset of $1,053 related to research and experimental expenditures for the year ending December 31, 2023.

 

The U.S. Tax Cuts and Jobs Act of 2017, or the Tax Act, imposed a mandatory transition tax on accumulated foreign earnings as of December 31, 2017 and created a new territorial tax system in which we recognize the tax impact of including certain foreign earnings in U.S. taxable income as a period cost. For the years ended December 31, 2023 and 2022, we incurred income tax expense under the global intangible low-taxed income, or GILTI, provisions and have treated it as a component of income tax expense in the period incurred.

 

The components of loss before taxes for the years ended December 31 are as follows:

 

Origin of (loss) income before taxes

 

2023

  

2022

 

United States

 $(1,772) $(1,262)

Foreign

  303   (126)

Loss before income taxes

 $(1,469) $(1,388)

 

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Significant components of income tax benefit (expense) for the years ended December 31 are as follows:

 

  

2023

  

2022

 

Current:

        

Federal

 $—  $— 

State

  (19)  (6)

Foreign

  (55)  (10)

Total current

  (74)  (16)

Deferred:

        

Federal

  2   (19)

State

  3   (19)

Total deferred

  5   (38)

Income tax expense

 $(69) $(54)

 

A reconciliation between the provision for income taxes calculated at the U.S. federal statutory income tax rate and the consolidated income tax expense in the consolidated statements of operations for the years ended December 31 is as follows:

 

  

2023

  

2022

 

Provision at the U.S. federal statutory rate

  21.0%  21.0%

State taxes, net of federal benefit

  4.7%  3.1%

Foreign tax rate differential

  (0.6)%  0.4%

Valuation allowance

  (4.9)%  (48.8)%

Chile outside basis differential

  —%  0.4%

Italy IRES/IREP

  (3.8)%  —%

Accrual to return

  (5.8)%  3.1%

Research and development credit

  5.4%  5.9%

State rate change

  (1.4)%  9.5%

Share based compensation

  (6.7)%  3.3%

Other Deferred true up

  (6.6)%  —%

Global Intangible Low-Taxed Income (GILTI) inclusion

  (4.4)%  —%

Other

  (1.7)%  (1.8)%

Income tax (expense) benefit effective rate

  (4.8)%  (3.9)%

 

The deferred tax assets and liabilities at December 31 are as follows:

 

  

2023

  

2022

 

Deferred tax assets:

        

Stock compensation expense

 $250  $272 

Goodwill

  —   182 

Royalty accruals

  10   10 

Bad debt allowance

  52   53 

Net operating loss carryforwards

  12,048   12,158 

Credit carry-forwards

  1,134   1,058 

Inventory reserve

  153   233 

Depreciation

  548   585 

Research and Development Costs

  1,053   528 

Other

  606   471 

Total deferred tax assets

  15,854   15,550 

Deferred tax liabilities:

        

Goodwill

  (238)  — 

Intangible assets

  (89)  (100)

Total deferred tax liabilities

  (327)  (100)

Net deferred tax asset before valuation allowance

  15,527   15,450 

Valuation allowances for deferred tax assets

  (15,699)  (15,627)

Net deferred tax liability

 $(172) $(177)

 

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The change in the valuation allowance for deferred tax assets for the years ended December 31 is as follows:

 

Year

 Balance at January 1  

Charged to costs and expenses

  (Deductions)/Other  

Balance at December 31

 

2022

 $14,950   677   —  $15,627 

2023

 $15,627   72   —  $15,699 

 

For the years ended December 31, 2023 and 2022, there were $42 and $0 exercises of stock options, respectively.

 

As required by ASC 740, we recognize the financial statement benefit of a tax position only after determining that the relevant tax authority would more likely than not sustain the position following an audit. For tax positions meeting the more-likely-than-not threshold, the amount recognized in the financial statements is the largest benefit that has a greater than 50% likelihood of being realized upon ultimate settlement with the relevant tax authority.

 

The table below sets forth a reconciliation of the beginning and ending amount of unrecognized tax benefit.

 

Year

 

Balance at January 1

  

Change in positions taken in a current period

  

Balance at December 31

 

2022

 $265   28  $293 

2023

 $293   33  $326 

 

We recognize interest and penalties related to unrecognized tax benefits in income tax expense for all periods presented. There were no interest and penalties recognized in income tax expense during the years ended December 31, 2023 and 2022. There were no unrecognized tax benefits as of December 31, 2023 and 2022. There is unrecognized tax benefit of $326 and $293 for the years ended December 31, 2023 and 2022, respectively, that would impact the future effective tax rate, if recognized.  We believe the unrecognized tax benefit will change in the next twelve months, either due to the generation or utilization of research and development credits.  We are unable to estimate the amount of change.  Tax years December 31, 2014 through December 31, 2023 remain open to assessment related to the unrecognized tax benefit.

 

We are subject to taxation in the U.S., various states, and in non-U.S. jurisdictions. Our U.S. income tax returns are primarily subject to examination from 2020 through 2022; however, U.S. tax authorities also have the ability to review prior tax years to the extent loss carryforwards and tax credit carryforwards are utilized. The open years for the non-U.S. tax returns range from 2015 through 2022 based on local statutes.

 

Management periodically estimates our probable tax obligations using historical experience in tax jurisdictions and informed judgments. There are inherent uncertainties related to the interpretation of tax regulations in the jurisdictions in which we transact business. The judgments and estimates made at a point in time may change based on the outcome of tax audits, as well as changes to or further interpretations of regulations. If such changes take place, there is a risk that the tax rate may increase or decrease in any period. Tax accruals for tax liabilities related to potential changes in judgments and estimates for both federal and state tax issues are included in current liabilities on the consolidated balance sheet.

 

The investment in foreign subsidiaries other than Fuel Tech S.p.A (Chile) and Beijing Fuel Tech is considered to be indefinite in duration and therefore we have not provided a provision for deferred U.S. income taxes on the unremitted earnings from those subsidiaries. A provision has not been established because it is not practicable to determine the amount of unrecognized deferred tax liability for such unremitted foreign earnings and because it is our present intention to reinvest the undistributed earnings indefinitely.

 

As required by ASC 740, a valuation allowance must be established when it is more likely than not that all or a portion of a deferred tax asset will not be realized. We have approximately $27,953 of U.S. net operating loss carryforwards available to offset future U.S. taxable income as of December 31, 2023.  The net operating loss carry-forwards related to tax losses generated in years ending December 31, 2018 and before in the U.S. totaling $10,733 begin to expire in 2036.  Further, we have tax loss carry-forwards of approximately $6,373 available to offset future foreign income in Italy as of December 31, 2023. We have recorded a full valuation allowance against the deferred tax asset because we cannot anticipate when or if this entity will have taxable income sufficient to utilize the net operating losses in the future. There is no expiration of the net operating loss carry-forwards related to tax losses generated in prior years in Italy. Finally, we have tax loss carry-forwards of approximately $13,735 available to offset future foreign income in China as of December 31, 2023. 

 

As of December 31, 2019, the investment in Fuel Tech S.p.A (Chile) was no longer considered to be indefinite and a provision for deferred U.S. income taxes was recorded. As of December 31, 2022, the provision for deferred U.S. income taxes related to the Fuel Tech S.p.A (Chile) investment was $151. As of December 31, 2023, Fuel Tech S.p.A (Chile) was still included in continuing operations. As a result an additional ($2) was recorded, adjusting the total consideration to $149. The deferred income taxes associated with this investment are offset by a valuation allowance of ($149).

 

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4.     COMMON STOCK

 

At December 31, 2023 and 2022, respectively, we had 31,361,303 and 31,272,303 shares of common stock issued and 30,385,297 and 30,296,297 outstanding, with an additional 6,715 shares reserved for issuance upon conversion of the nil coupon non-redeemable convertible unsecured loan notes (see Note 6). As of December 31, 2023, we had 5,600,676 shares reserved for issuance upon the exercise or vesting of equity awards, of which 270,500 are stock options that are currently exercisable (see Note 8).

 

 

5.     TREASURY STOCK

 

Common stock held in treasury totaled 976,006 and 976,006 with a cost of $2,251 and $2,251 at December 31, 2023 and 2022, respectively. These shares were withheld from employees to settle personal tax withholding obligations that arose as a result of restricted stock units that vested during the periods presented.

 

 

6.     NIL COUPON NON-REDEEMABLE CONVERTIBLE UNSECURED LOAN NOTES

 

At December 31, 2023 and 2022, we had a principal amount of $76 of nil coupon non-redeemable convertible unsecured perpetual loan notes (Loan Notes) outstanding. The Loan Notes are convertible at any time into common stock at rates of $6.50 and $11.43 per share, depending on the note. As of December 31, 2023, the nil coupon loan notes were convertible into 6,715 shares of common stock. Based on our closing stock price of $1.05 at December 31, 2023, the aggregate fair value of the common stock that the holders would receive if all the loan notes were converted would be approximately $7, which is less than the principal amount of the loans outstanding as of that date. The Loan Notes bear no interest and have no maturity date. They are repayable in the event of our dissolution and the holders do not have the option to cash-settle the notes. Accordingly, they have been classified within stockholders’ equity in the accompanying balance sheets. The notes do not hold distribution or voting rights unless and until converted into common stock.

 

For the years ended December 31, 2023 and 2022, there were no Loan Notes repurchased by the Company.

 

 

7. WARRANTS

 

On February 11, 2021, Fuel Tech entered into a securities purchase agreement to issue and sell, in a private placement, 5,000,000 shares of common stock and 2,500,000 warrants exercisable for a total of 2,500,000 shares of common stock with an exercise price of $5.10 per Warrant Share, at a purchase price of $5.1625 per Share and associated warrant. The Warrants expire on the five and one-half year anniversary of the effective date of the registration statement registering the Warrant Shares for resale.  In addition, the Company issued to the placement agent Warrants to purchase up to 350,000 shares of common stock.  The Placement Agent Warrants are exercisable at an exercise price of $6.45 per share of common stock and expire on the five and one-half year anniversary of the effective date of the registration statement registering the Shares and the Warrant Shares for resale.

 

The issuance of warrants to purchase shares of the Company's common stock are summarized as follows:

 

  

Shares

 

Outstanding as of December 31, 2022

  2,850,000 

Granted

  — 

Exercised

  — 

Outstanding as of December 31, 2023

  2,850,000 

 

The following table summarizes information about warrants outstanding and exercisable at December 31, 2023:

 

    

Number

  

Weighted-Average

     
    

Outstanding/

  

Remaining Life

  

Weighted-Average

 

Range of Exercise Price

  

Exercisable

  

in Years

  

Exercise Price

 
$5.10   2,500,000   2.62  $5.10 
$6.45   350,000   2.62  $6.45 
     2,850,000         

 

 

 

8.     STOCK-BASED COMPENSATION

 

Under our stock-based employee compensation plan, referred to as the Fuel Tech, Inc. 2014 Long-Term Incentive Plan (Incentive Plan), awards may be granted to participants in the form of Non-Qualified Stock Options, Incentive Stock Options, Stock Appreciation Rights, Restricted Stock, RSUs, Performance Awards, Bonuses or other forms of share-based or non-share-based awards or combinations thereof. Participants in the Incentive Plan may be our directors, officers, employees, consultants or advisors (except consultants or advisors in capital-raising transactions) as the directors determine are key to the success of our business. There are a maximum of 5,884,076 shares that may be issued or reserved for awards to participants under the Incentive Plan. At December 31, 2023, we had 645,650 equity awards available for issuance under the Incentive Plan.

 

We did not record any excess tax benefits within income tax expense for the years ended December 31, 2023 and 2022. Given the Company has a full valuation allowance on its deferred tax assets, there were no excess tax benefits to record. In addition, we account for forfeitures of awards based on an estimate of the number of awards expected to be forfeited and adjusting the estimate when it is no longer probable that the employee will fulfill the service condition.

 

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Stock-based compensation is included in selling, general and administrative costs in our consolidated statements of operations. The components of stock-based compensation from continuing operations for the years ended December 31, 2023 and 2022 were as follows:

 

  

For the Year Ended December 31,

 
  

2023

  

2022

 

Stock options and restricted stock units, net of forfeitures

 $389  $224 

After-tax effect of stock based compensation

 $389  $224 

 

Stock Options

 

The stock options granted to employees under the Incentive Plan have a 10-year life and they vest as follows: 50% after the second anniversary of the award date, 25% after the third anniversary, and the final 25% after the fourth anniversary of the award date. Fuel Tech calculates stock compensation expense for employee option awards based on the grant date fair value of the award, less expected annual forfeitures, and recognizes expense on a straight-line basis over the four-year service period of the award. Stock options granted to members of our Board of Directors vest immediately. Stock compensation for these awards is based on the grant date fair value of the award and is recognized in expense immediately. 

 

Fuel Tech uses the Black-Scholes option pricing model to estimate the grant date fair value of employee stock options. The principal variable assumptions utilized in valuing options and the methodology for estimating such model inputs include: (1) risk-free interest rate – an estimate based on the yield of zero–coupon treasury securities with a maturity equal to the expected life of the option; (2) expected volatility – an estimate based on the historical volatility of Fuel Tech’s common stock for a period equal to the expected life of the option; and (3) expected life of the option – an estimate based on historical experience including the effect of employee terminations.

 

There were no stock options granted during the years ended December 31, 2023 and 2022.

 

The following table presents a summary of our stock option activity and related information for the years ended December 31:

 

  

2023

  

2022

 
  

Number of Options

  Weighted-Average Exercise Price  

Number of Options

  Weighted-Average Exercise Price 

Outstanding at beginning of year

  384,500  $2.98   434,500  $3.05 

Granted

  —   —   —   — 

Exercised

  (44,000)  0.96   —   — 

Expired or forfeited

  (70,000)  3.85   (50,000)  3.55 

Outstanding at end of year

  270,500  $3.09   384,500  $2.98 

Exercisable at end of year

  270,500  $3.09   384,500  $2.98 

Weighted-Average Remaining Contractual Life (years)

      1.56       2.43 

Aggregate Intrinsic Value

     $4      $27 

 

The aggregate intrinsic value in the preceding table represents the total pretax intrinsic value, based on our closing stock price of $1.05 as of December 31, 2023, which would have been received by the option holders had those options holders exercised their stock options as of that date. 

 

The following table summarizes information about stock options outstanding at December 31, 2023:

 

Options Outstanding and Exercisable

 

Range of Exercise Prices

 Number of Options  Weighted-Average Remaining Contractual Life (years)  Weighted-Average Exercise Price 

$0.96 - $1.27

  44,000   3.9  $0.97 

$1.28 - $2.01

  27,000   2.4   1.58 

$2.02 - $3.83

  105,000   1.4   2.44 

$3.84 - $5.22

  94,500   0.4   5.22 
   270,500   1.6  $3.09 

 

As of and for the 12 months ended December 31, 2023, there was no non-vested stock option activity and no total unrecognized compensation cost related to non-vested stock options granted under the Incentive Plan. Fuel Tech received proceeds of $42 and $0 from the exercise of stock options in the years ended December 31, 2023 and 2022., respectively.  It is our policy to issue new shares upon option exercises, loan conversions, and vesting of restricted stock units. We have not used cash and do not anticipate any future use of cash to settle equity instruments granted under share-based payment arrangements. Shares received for exercise of stock options come from newly issued shares. 

 

Restricted Stock Units

 

RSUs granted to employees vest over time based on continued service (typically vesting over a period between two to four years), and RSUs granted to directors vest after a one year vesting period based on continued service. Such time-vested RSUs are valued at the date of grant based on the closing price of the Common Shares on the grant date. Compensation cost, adjusted for estimated forfeitures, is amortized on a straight-line basis over the requisite service period. 

 

In addition to the time vested RSUs, the Company entered into a 2023 Executive Performance RSU Award Agreement (the “2023 Agreement”) with certain officers, including its President and Chief Executive Officer, Chief Financial Officer and Senior Vice President, Sales (each a “2023 Participating Executive”) pursuant to which each 2023 Participating Executive will have the opportunity to earn a specified amount of RSUs based on Fuel Tech’s performance in 2023 and 2024. The target amount of RSUs for each of four possible RSU award components is set for each Participating Executive for 2023 and 2024. The amount, if any, of actual RSU awards to be issued is contingent on performance by the Participating Executive and the Company in the performance areas and for the measurement periods set forth in the Agreement as determined by the Company.

 

The Agreement provides for four possible RSU awards: “Look-Back RSUs,” “Total Revenue RSUs,” “New Business Growth RSUs,” and “Operating Income Growth” RSUs. If the Look-Back RSU’s are awarded, these RSUs will follow a vesting schedule that provides for vesting of one-third of the granted Look-Back RSUs after the first anniversary of the grant determination date, one-third after the second anniversary date and one-third after the third anniversary date. If the Total Revenue RSUs, New Business Growth RSUs, or Operating Income Growth RSUs targets are achieved, these RSU’s will follow a vesting schedule whereby 100% of the granted RSUs will vest one year following the grant determination date. All RSUs are valued at the date of grant based on the closing price of the Company’s common stock on the grant date.

 

 

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During the years ended December 31, 2023 and 2022, there were 45,000 and 45,003 restricted stock units that vested with a grant date fair value of $62 and $68, respectively. As of December 31, 2023, there was $2,807 of total unrecognized compensation cost related to all non-vested share-based compensation arrangements granted under the Incentive Plan. That cost is expected to be recognized over the remaining requisite service period of 1.7 years.

 

A summary of restricted stock unit activity for the years ended December 31, 2023 and 2022 is as follows:

 

  

Shares

  Weighted Average Grant Date Fair Value 

Unvested restricted stock units at December 31, 2021

  45,003  $1.51 

Granted

  807,048   1.32 

Forfeited

  (40,000)  1.32 

Vested

  (45,003)  1.51 

Unvested restricted stock units at December 31, 2022

  767,048   1.32 

Granted

  1,040,200   1.26 

Forfeited

  —   — 

Vested

  (45,000)  1.37 

Unvested restricted stock units at December 31, 2023

  1,762,248  $1.29 

 

Deferred Directors Fees

 

In addition to the Incentive Plan, Fuel Tech has a Deferred Compensation Plan for Directors (Deferred Plan). Under the terms of the Deferred Plan, Directors can elect to defer Directors’ fees for shares of Fuel Tech common stock that are issuable at a future date as defined in the agreement. In accordance with ASC 718, Fuel Tech accounts for these awards as equity awards as opposed to liability awards. In 2023 and 2022, there was no stock-based compensation expense under the Deferred Plan.

 

 

9.     COMMITMENTS AND CONTINGENCIES

 

Fuel Tech is subject to various claims and contingencies related to, among other things, workers compensation, general liability (including product liability), and lawsuits. The Company records liabilities where a contingent loss is probable and can be reasonably estimated. If the reasonable estimate of a probable loss is a range, the Company records the most probable estimate of the loss or the minimum amount when no amount within the range is a better estimate than any other amount. The Company discloses a contingent liability even if the liability is not probable or the amount is not estimable, or both, if there is a reasonable possibility that a material loss may have been incurred.

 

From time to time we are involved in litigation with respect to matters arising from the ordinary conduct of our business. In the opinion of management, based upon presently available information, either adequate provision for anticipated costs have been accrued or the ultimate anticipated costs will not materially affect our consolidated financial position, results of operations, or cash flows. We do not believe we have any pending loss contingencies that are probable or reasonably possible of having a material impact on our consolidated financial position, results of operations or cash flows.

 

 

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Performance Guarantees

 

The majority of Fuel Tech’s long-term equipment construction contracts contain language guaranteeing that the performance of the system that is being sold to the customer will meet specific criteria. On occasion, performance surety bonds and bank performance guarantees/letters of credit are issued to the customer in support of the construction contracts as follows:

 

 

•

in support of the warranty period defined in the contract; or

 

•

in support of the system performance criteria that are defined in the contract.

 

As of December 31, 2023, we had outstanding bank performance guarantees and letters of credit in the amount of $904 in support of equipment construction contracts that have not completed their final acceptance test or that are still operating under a warranty period. The performance guarantees and letters of credit expire in dates ranging from March 2024 through November 2025. The expiration dates may be extended if the project completion dates are extended. Our management believes it is probable that these projects will be successfully completed and that there will not be a material adverse impact on our operations from these bank performance guarantees and letters of credit. As a result, no liability has been recorded for these performance guarantees.

 

Product Warranties

 

Fuel Tech issues a standard product warranty with the sale of our products to customers. Our recognition of warranty liability is based primarily on analyses of warranty claims experience in the preceding years as the nature of our historical product sales for which we offer a warranty are substantially unchanged. This approach provides an aggregate warranty accrual that is historically aligned with actual warranty claims experienced. There was no change in the warranty liability included in the Other accrued liabilities line of the Consolidated Balance Sheet in 2023 and 2022. The warranty liability balance was $159 at December 31, 2023 and 2022.

 

 

10.     LEASES

 

The terms of the Company’s three primary office space lease arrangements are as follows:

 

 

•

The Gallarate, Italy building lease, for approximately 1,335 square feet, runs through April 30, 2025. This facility serves as the operating headquarters for our European operations.

 

•

The Aurora, IL warehouse lease, for approximately 11,000 square feet, runs through March 31, 2031. This facility serves as an outside warehouse facility. 

 

•

The Overland Park, KS lease, for approximately 600 square feet, runs through October 15, 2024. This facility serves primarily as a sales office.

 

The Company also has three additional operating leases related to certain office equipment and company leased vehicles and one short-term lease. Our leases have remaining lease terms of 0.5 years to 7.3 years. Our leases do not contain any material residual value guarantees or material restricted covenants and we currently have no material sublease arrangements. We have no financing leases as defined under ASC 842.

 

Total operating lease expense is as follows:

 

   2023   2022 

Operating lease cost

 $188  $176 

Short-term lease cost

  15   29 

Total lease cost

 $203  $205 

 

The weighted average remaining lease term was 6.58 years as of December 31, 2023. The weighted average discount rate was 8.00% as of December 31, 2023. 

 

Remaining maturities of our existing lease liabilities as of December 31, 2023 were as follows:

 

Year Ending December 31,

 

Operating Leases

 

2024

 $133 

2025

  113 

2026

  103 

2027

  106 

2028

  110 

Thereafter

  258 

Total lease payments

 $823 

Less imputed interest

  (209)

Total

 $614 

 

The following is the balance sheet classification of our existing lease liabilities:

 

  

2023

  

2022

 

Operating lease liabilities - current

 $81  $125 

Operating lease liabilities - non-current

  533   66 

Total operating lease liabilities

 $614  $191 

 

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Supplemental cash flow information related to leases was as follows:

 

  For the Twelve Months ended December 31, 2023  For the twelve months ended December 31, 2022 

Cash paid for amounts included in the measurement of lease liabilities

 $150  $157 

Leased assets obtained in exchange for operating lease liabilities

  533   139 

 

 

11.     DEBT FINANCING

 

On June 30, 2022, the Company entered into an Investment Collateral Security agreement to use for the sole purpose of issuing standby letters of credit that replaces the former Cash Collateral agreement with BMO Harris. The Investment Collateral Security agreement requires us to pledge our investments as collateral for 150% of the aggregate face amount of outstanding standby letters of credit. The Company pays 250 basis points on the face values of outstanding letters of credit. There are no financial covenants set forth in the Investment Collateral Security agreement. At December 31, 2023, the Company had outstanding standby letters of credit totaling approximately $904 under the Investment Collateral Security agreement. At December 31, 2023, the investments held as collateral totaled $1,356. Fuel Tech is committed to reimbursing the issuing bank for any payments made by the bank under these instruments.

   
 

12.     BUSINESS SEGMENT AND GEOGRAPHIC FINANCIAL DATA

 

Business Segment Financial Data

 

We segregate our financial results into two reportable segments representing two broad technology segments as follows:

 

 

•

The Air Pollution Control technology segment includes technologies to reduce NOx emissions in flue gas generated by the firing of natural gas or coal from boilers, incinerators, furnaces and other stationary combustion sources. These include NOxOUT® and HERT™ Selective Non-Catalytic Reduction systems and Selective Catalytic Reduction (SCR) systems. Our SCR systems can also include Ammonia Injection Grid, and GSG™ Graduated Straightening Grid systems to provide high NOx reductions at significantly lower capital and operating costs than conventional SCR systems. ULTRA® technology creates ammonia at a plant site using safe urea for use with any SCR application. ESP technologies make use of electrostatic precipitator products and services to reduce particulate matter. FGC systems are chemical injection systems offered in markets outside the U.S. and Canada to enhance electrostatic precipitator and fabric filter performance in controlling particulate emissions.

 

 

•

The FUEL CHEM® technology segment, which uses chemical processes in combination with advanced CFD and CKM boiler modeling, for the control of slagging, fouling, corrosion, opacity and other sulfur trioxide-related issues in coal-fired furnaces and boilers through the addition of chemicals into the furnace using TIFI® Targeted In-Furnace Injection™ technology.

 

The “Other” classification includes those profit and loss items not allocated to either reportable segment. There are no inter-segment sales that require elimination.

 

We evaluate performance and allocate resources based on gross margin by reportable segment. The accounting policies of the reportable segments are the same as those described in the summary of significant accounting policies. We do not review assets by reportable segment, but rather, in aggregate for the Company as a whole.

 

Information about reporting segment net sales and gross margin from continuing operations are provided below:

 

For the year ended December 31, 2023

 

Air Pollution Control Segment

  

FUEL CHEM Segment

  

Other

  

Total

 

Revenues from external customers

 $13,483  $13,598  $—  $27,081 

Cost of sales

  (8,410)  (7,015)  —   (15,425)

Gross margin

  5,073   6,583   —   11,656 

Selling, general and administrative

  —   —   (12,803)  (12,803)

Research and development

  —   —   (1,511)  (1,511)

Operating income (loss) from continuing operations

 $5,073  $6,583  $(14,314) $(2,658)

 

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For the year ended December 31, 2022

Air Pollution Control Segment

 

FUEL CHEM Segment

 

Other

 

Total

 

Revenues from external customers

$10,597 $16,344 $— $26,941 

Cost of sales

 (6,924) (8,374) —  (15,298)

Gross margin

 3,673  7,970  —  11,643 

Selling, general and administrative

 —  —  (12,275) (12,275)

Research and development

 —  —  (895) (895)

Operating income (loss) from continuing operations

$3,673 $7,970 $(13,170)$(1,527)

 

Geographic Segment Financial Data

 

Information concerning our operations by geographic area is provided below. Revenues are attributed to countries based on the location of the end-user. Assets are those directly associated with operations of the geographic area.

 

For the years ended December 31,

 

2023

  

2022

 

Revenues:

        

United States

 $21,062  $20,311 

Foreign

  6,019   6,630 
  $27,081  $26,941 

 

As of December 31,

 

2023

  

2022

 

Assets:

        

United States

 $46,487  $47,007 

Foreign

  3,901   3,117 
  $50,388  $50,124 

 

 

13.     RESTRUCTURING ACTIVITIES

 

On January 18, 2019, the Company announced a planned suspension of its APC business operation in China (Beijing Fuel Tech). This action was part of Fuel Tech’s ongoing operational improvement initiatives designed to prioritize resource allocation, reduce costs, and drive profitability for the Company on a global basis. The transition associated with the suspension of the APC business includes staff rationalization, supplier and partner engagement, and the monetization of certain assets. The remaining transition activities include the execution of the remaining activities to satisfy the requirements for the remaining APC projects in China (with a backlog totaling approximately $3) and those related to subsidiary closure.

 

The following table presents our revenues and net loss in China for the years ended December 31, 2023 and 2022:

 

  

2023

  

2022

 

Total revenues

 $2  $3 

Net loss

  (50)  (209)

 

The following table presents net assets in China as of   December 31, 2023 and 2022:

 

  

2023

  

2022

 

Total assets

 $846  $929 

Total liabilities

  67   79 

Total net assets

 $779  $850 

 

Total assets primarily consist of cash and other receivables. Total liabilities consist of accounts payable and certain accrued liabilities.

 

The Company recorded no restructuring charges for the years ended December 31, 2023 and 2022.

 

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14.     ACCRUED LIABILITIES

 

The components of other accrued liabilities are as follows:

 

  

As of

 
  

December 31, 2023

  

December 31, 2022

 

Contract liabilities (Note 2)

 $1,279  $372 

Warranty reserve (Note 9)

  159   159 

Deferred revenue

  103   75 

Accrued professional fees

  101   — 

Other accrued liabilities

  292   220 

Total other accrued liabilities

 $1,934  $826 

 

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ITEM 9 - CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE

 

None

 

ITEM 9A - CONTROLS AND PROCEDURES

 

Disclosure Controls and Procedures

 

Under the supervision and with the participation of our Chief Executive Officer and Principal Financial Officer, our management evaluated the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rule 13a-15(e) under the Exchange Act), as of the end of the period covered by this Annual Report on Form 10-K (the “Evaluation Date”). Based upon that evaluation, our Chief Executive Officer and Principal Financial Officer concluded that, as of the Evaluation Date, our disclosure controls and procedures are effective to ensure that information required to be disclosed in the reports that we file or submit under the Exchange Act is (i) recorded, processed, summarized and reported, within the time periods specified in the Commission’s rules and forms and (ii) accumulated and communicated to our management, including our Chief Executive Officer and Principal Financial Officer, as appropriate to allow timely decisions regarding required disclosure.

 

Change in Internal Controls

 

There has been no change in the Company's internal control over financial reporting during the year covered by this report that has materially affected, or is reasonably likely to materially affect, its internal control over financial reporting.

 

Management’s Report on Internal Control Over Financial Reporting

 

Our management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Rule 13a-15(f) under the Exchange Act. As required by Rule 13a-15(c) under the Exchange Act, our management has carried out an evaluation, with the participation of the Chief Executive Officer and Principal Financial Officer, of the effectiveness of its internal control over financial reporting as of the end of the last fiscal year. The framework on which such evaluation was based is contained in the report entitled “Internal Control—Integrated Framework” issued by the Committee of Sponsoring Organizations of the Treadway Commission (the “COSO Report”) in 2013.

 

Our system of internal control over financial reporting is designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

 

Based on its assessment, management has concluded that we maintained effective internal control over financial reporting as of December 31, 2023, based on criteria in “Internal Control - Integrated Framework” issued by the COSO in 2013.

 

 

ITEM 9B - OTHER INFORMATION

 

None

 

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PART III 

 

 

ITEM 10 – DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

 

Information required by this Item will be set forth under the captions “Election of Directors,” “Directors and Executive Officers of Fuel Tech,” “Compensation Committee,” “Audit Committee,” and “Financial Experts” in our definitive Proxy Statement related to the 2024 Annual Meeting of Stockholders (the “Proxy Statement”) and is incorporated by reference.

 

We have adopted a Code of Ethics and Business Conduct (the “Code”) that applies to all employees, officers and directors, including the Chief Executive Officer and Principal Financial Officer. A copy of the Code is available free of charge to any person on written or telephone request to our Legal Department at the address or telephone number described in Item 1 under the heading "Available Information." The Code is also available on our website at www.ftek.com.

 

Other information concerning our directors and executive officers and relating to corporate governance will be set forth under the captions “Election of Directors,” “Audit Committee,” “Compensation and Nominating Committee,” “Financial Experts,” “Corporate Governance” and “General” in our Proxy Statement related to the 2024 Annual Meeting of Stockholders and is incorporated by reference.

 

ITEM 11 - EXECUTIVE COMPENSATION

 

Information required by this Item will be set forth under the caption “Executive Compensation” in our definitive Proxy Statement and is incorporated by reference.

 

ITEM 12 - SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS

 

The following table provides information for all equity compensation plans as of the fiscal year ended December 31, 2023, under which our securities were authorized for issuance:

 

Plan Category

  

Number of Securities to be issued upon exercise of outstanding options and vesting of restricted stock units

    

Weighted-average exercise price of outstanding options

    

Number of securities remaining available for future issuance under equity compensation plan excluding securities listed in column (a)

  
   

(a)

    

(b)

    

(c)

  

Equity compensation plans approved by security holders

     2,032,748     $ 3.09       645,650  

 

Further information required by this Item will be set forth under the caption “Principal Stockholders and Stock Ownership of Management” in the definitive Proxy Statement and is incorporated by reference.

 

ITEM 13 - CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE

 

Information required by this Item will be set forth under the captions “Compensation Committee Interlocks and Insider Participation” and “Certain Relationships and Related Transactions” in our definitive Proxy Statement and is incorporated by reference.

 

ITEM 14 - PRINCIPAL ACCOUNTANT FEES AND SERVICES

 

Information required by this Item will be set forth under the caption “Approval of Appointment of Auditors” in our definitive Proxy Statement and is incorporated by reference.

 

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PART IV 

 

ITEM 15 - EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

 

 

(a)

(1) Financial Statements

 

The financial statements identified below and required by Part II, Item 8 of this Form 10-K are set forth above.

 

Management’s Report on Internal Control Over Financial Reporting

Report of Independent Registered Public Accounting Firm (PCAOB ID: 49)

Consolidated Balance Sheets as of December 31, 2023 and 2022

Consolidated Statements of Operations for Years Ended December 31, 2023 and 2022

Consolidated Statements of Comprehensive Loss for Years Ended December 31, 2023 and 2022

Consolidated Statements of Stockholders’ Equity for the Years Ended December 31, 2023 and 2022

Consolidated Statements of Cash Flows for the Years Ended December 31, 2023 and 2022

Notes to Consolidated Financial Statements

 

(2) Financial Statement Schedules

 

All other schedules have been omitted because of the absence of the conditions under which they are required or because the required information, where material, is shown in the financial statements or the notes thereto.

 

(3)  Exhibits 

 

 

 

           

Incorporated by Reference

Exhibit

  

Description

  

Filed

Herewith

  

Form

  

Period

ending

  

Exhibit

  

Filing date

3.1

  

Certificate of Incorporation of Fuel Tech, Inc.

      

8-K

      

3.2

  

10/5/2006

3.2

  

Certificate of Conversion of Fuel Tech, Inc.

      

8-K

      

3.1

  

10/5/2006

3.3

  

Amended and Restated By-Laws of Fuel Tech, Inc. dated as of May 28, 2015

      

8-K

      

3.1

  

6/1/2015

4.1

  

Instrument Constituting US $19,200,000 Nil Coupon Non-Redeemable Convertible Unsecured Loan Notes of Fuel-Tech N.V., dated December 21, 1989

      

10-Q

  

9/30/2009

  

4.1

  

11/4/2009

4.2

  

First Supplemental Instrument Constituting US $3,000 Nil Coupon Non-Redeemable Convertible Unsecured Loan Notes of Fuel-Tech N.V., dated July 10, 1990

      

10-Q

  

9/30/2009

  

4.2

  

11/4/2009

4.3

  

Instrument Constituting US $6,000 Nil Coupon Non-Redeemable Convertible Unsecured Loan Notes of Fuel-Tech N.V., dated March 12, 1993

      

10-Q

  

9/30/2009

  

4.3

  

11/4/2009

4.4*

  

Fuel Tech, Inc. Incentive Plan as amended through June 3, 2004

      

S-8

      

4.1

  

10/2/2006

4.5*

  

Fuel Tech, Inc. 2014 Long-Term Incentive Plan

      

S-8

      

4.1

  

3/31/2014

4.6*

  

Fuel Tech, Inc. Form of Non-Executive Director Stock Option Agreement

      

10-K

  

12/31/2006

  

4.6

  

3/6/2007

4.7

  

Fuel Tech, Inc. Form of 2014 Long-Term Incentive Plan Non-Employee Director's Stock Option Agreement

      

10-Q

  

6/30/2014

  

4.2

  

8/11/2014

4.8*

  

Fuel Tech, Inc. Form of Common Stock Warrant

      

8-K

  

 

  

4.1

  

2/18/2021

4.9*

  

Fuel Tech, Inc. Form of Placement Agent Warrant

      

8-K

  

 

  

4.2

  

2/18/2021

4.10*

  

Fuel Tech, Inc. Form of Restricted Stock Unit Agreement (2014 Long-Term Incentive Plan)

      

10-Q

  

6/30/2014

  

4.1

  

8/11/2014

4.11*

  

Fuel Tech, Inc. Form of 2014 Long-Term Incentive Plan Stock Option Agreement

      

10-Q

  

3/31/2015

  

10.2

  

5/11/2015
4.12*   Form of 2023 Fuel Tech, Inc. Executive Performance RSU Agreement       8-K       99.1   5/10/2023

 

42
Table of Contents

 

4.13*   Form of Change of Control Severance Agreement       8-K       99.2   5/10/2023

10.1

  

Form of Indemnity Agreement between Fuel Tech, Inc. and its Directors and Officers.

      

8-K

      

99.1

  

2/7/2007
10.2*   2022 Corporate Incentive Plan of Fuel Tech, Inc       8-K       99.1   4/11/2022
10.3*  

2023 Corporate Incentive Plan of Fuel Tech, Inc.

       8-K       99.1   3/3/2023
10.4*   2022 Corporate Objectives Plan of Fuel Tech, Inc       8-K       99.2   4/11/2022
10.5*   2023 Corporate Objectives Plan of Fuel Tech, Inc       8-K       99.2   3/3/2023
10.6*   2022 Fuel Tech, Inc. FUEL CHEM Officer Sales Commission Plan       8-K       99.2   12/14/2021
10.7*   2023 Fuel Tech, Inc. FUEL CHEM Officer Sales Commission Plan       8-K       99.2   12/12/2022
10.8*   2024 Fuel Tech, Inc. FUEL CHEM Officer Sales Commission Plan       8-K       99.2   12/08/2023
10.9*   2022 Fuel Tech, Inc. APC Officer and NSM Sales Commission Plan       8-K       99.1   12/14/2021
10.10*   2023 Fuel Tech, Inc. APC Officer and NSM Sales Commission Plan       8-K       99.1   12/12/2022
10.11*   2024 Fuel Tech, Inc. APC Officer and NSM Sales Commission Plan       8-K       99.1   12/08/2023

10.12*

  

Employment Agreement dated August 31, 2009, between William E. Cummings, Jr. and Fuel Tech, Inc.

      

10-K

  

12/31/2009

  

10.10

  

3/14/2010

10.13*

  

Employment Agreement, dated September 20, 2010 between Vincent J. Arnone and Fuel Tech, Inc.

      

10-K

  

12/31/2011

  

10.21

  

3/5/2012
10.14*  

Engagement Letter, dated February 11, 2021, by and between Fuel Tech, Inc. and H.C. Wainwright & Co.

       8-K       1.1   2/18/2021

10.15*

  

Employment Agreement, dated July 8, 1996, between Ellen T. Albrecht and Fuel Tech, Inc.

      

10-K

  

 

  

10.13

  

3/8/2022
10.16*   Form of Securities Purchase Agreement       8-K       10.1   2/18/2021
10.17*  

Form of Registration Rights Agreement

       8-K       10.2   2/18/2021

23.1

  

Consent of Independent Registered Public Accounting Firm.

  

X

                

31.1

  

Certifications of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

  

X

                

31.2

  

Certifications of principal financial officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

  

X

                

32

  

Certification of Chief Executive Officer and principal financial officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.

  

X

                
97*   Fuel Tech, Inc. Policy for the Recovery of Erroneously Awarded Compensation (Effective November 2, 2023)   X                

 

101.1 INS

  

Inline XBRL Instance Document.
   

101.2 SCH

  

Inline XBRL Taxonomy Extension Schema Document.
   

101.3 CAL

  

Inline XBRL Taxonomy Extension Calculation Linkbase Document.
   

101.4 DEF

  

Inline XBRL Taxonomy Extension Definition Linkbase Document.
   

101.5 LAB

  

Inline XBRL Taxonomy Extension Label Linkbase Document.
   

101.6 PRE

  

Inline XBRL Taxonomy Extension Presentation Linkbase Document.
     
104   Cover Page Interactive Data File (embedded within the Inline XBRL and contained in Exhibit 101)

 

* Indicates a management contract or compensatory plan or arrangement.

**

Portions of this document have been omitted pursuant to a request for confidential treatment and the omitted information has been filed separately with the Securities and Exchange Commission.

 

 

 

ITEM 16 - FORM 10-K SUMMARY

 

None.

 

43
Table of Contents

 

SIGNATURES AND CERTIFICATIONS

 

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

 

 

 

FUEL TECH, INC.
     

Date: March 11, 2024

By:

/s/ Vincent J. Arnone
   

Vincent J. Arnone
   

President and Chief Executive Officer
   

(Principal Executive Officer)
     
Date: March 11, 2024

By:

/s/ Ellen T. Albrecht
    Ellen T. Albrecht
   

Vice President, Chief Financial Officer and Treasurer
   

(Principal Financial Officer)

 

44
Table of Contents

 

Pursuant to the requirements of the Securities and Exchange Act of 1934, this report has been duly signed below by the following persons on behalf of Fuel Tech, Inc. and in the capacities and on the date indicated.

 

Date: March 11, 2024

 

Signature

  

Title
     

/s/ Vincent J. Arnone

  

President and Chief Executive Officer

(Principal Executive Officer)

Vincent J. Arnone

    
     

/s/ Ellen T. Albrecht

  

Vice President, Chief Financial Officer and Treasurer

(Principal Financial Officer)

Ellen T. Albrecht

    
     

/s/ Douglas G. Bailey

  

Director

Douglas G. Bailey

    
     

/s/ Dennis L. Zeitler

  

Director

Dennis L. Zeitler

    
     

/s/ Sharon L. Jones

  

Director

Sharon L. Jones

    

 

45
EX-23.1 2 ex_584393.htm EXHIBIT 23.1 ex_584393.htm

Exhibit 23.1

 

 

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

 

 

We consent to the incorporation by reference in the Registration Statements (No. 333-201422 and 333-36390) on Form S-8 and Registration Statement (No. 333-253619) on Form S-3 of Fuel Tech, Inc. of our report dated March 11, 2024, relating to the consolidated financial statements of Fuel Tech, Inc., appearing in this Annual Report on Form 10-K of Fuel Tech, Inc. for the year ended December 31, 2023.

 

 

/s/ RSM US LLP

 

Chicago, Illinois

March 11, 2024

 

 

 

 

 
 EX-31.1 3 ex_584394.htm EXHIBIT 31.1 ex_584394.htm

Exhibit 31.1

 

I, Vincent J. Arnone, certify that:

 

1. I have reviewed this Annual Report on Form 10-K of Fuel Tech, Inc.;

 

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

 

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

 

4. The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules l3a-15 (e) and 15d-15 (e) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

 

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

 

b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

 

c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

 

d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

 

5. The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent functions):

 

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

 

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

 

 

Date: March 11, 2024

  
     

By:

/s/ Vincent J. Arnone

  
 

Vincent J. Arnone

  
 

Chief Executive Officer

  

 

 

 

 
 EX-31.2 4 ex_584395.htm EXHIBIT 31.2 ex_584395.htm

Exhibit 31.2

 

I, Ellen T. Albrecht certify that:

 

1. I have reviewed this Annual Report on Form 10-K of Fuel Tech, Inc.;

 

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

 

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

 

4. The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules l3a-15 (e) and 15d-15 (e) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

 

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

 

b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

 

c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

 

d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

 

5. The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent functions):

 

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

 

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

 

 

Date: March 11, 2024

  
     

By:

/s/ Ellen T. Albrecht

  
 

Ellen T. Albrecht

  
  Chief Financial Officer and Treasurer  
  (Principal Financial Officer)  

 

 

 

 
 EX-32 5 ex_584396.htm EXHIBIT 32 ex_584396.htm

Exhibit 32

 

The undersigned in their capacities as Chief Executive Officer and Chief Financial Officer of the Registrant do hereby certify that:

 

(i) this report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

 

(ii) information contained in the report fairly presents, in all material respects, the financial condition and results of operations of the Registrant as of, and for, the periods presented in the report.

 

 

Date: March 11, 2024

  
     

By:

/s/ Vincent J. Arnone

  
 

Vincent J. Arnone

  
 

Chief Executive Officer

  
     

Date: March 11, 2024

  
     

By:

/s/ Ellen T. Albrecht 

  
  Ellen T. Albrecht  
 

Chief Financial Officer and Treasurer

  
  (Principal Financial Officer)  

 

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (the “Act”) this certification accompanies the Report and shall not, except to the extent required by the Act, be deemed filed by the Registrant for purposes of Section 18 of the Securities Exchange Act of 1934, as amended.

 

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to Fuel Tech, Inc. and will be retained by Fuel Tech, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.

 

 
 EX-97 6 ex_635348.htm EXHIBIT 97 ex_635348.htm

Exhibit 97

 

 

FUEL TECH, INC.

 

POLICY FOR THE

RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION

 

 

 

A.

OVERVIEW

 

In accordance with the applicable rules of The Nasdaq Stock Market (the “Nasdaq Rules”), Section 10D and Rule 10D-1 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) (“Rule 10D-1”), the Board of Directors (the “Board”) of Fuel Tech, Inc., a Delaware corporation (the “Company”) has adopted this Policy (the “Policy”) to provide for the recovery of erroneously awarded Incentive-based Compensation from Officers. All capitalized terms used and not otherwise defined herein shall have the meanings set forth in Section H, below.

 

B.

RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION

 

(1)   In the event of an Accounting Restatement, the Company will reasonably promptly recover the Erroneously Awarded Compensation Received in accordance with the Nasdaq Rules and Rule 10D-1 as follows:

 

 

(i)

After an Accounting Restatement, the Compensation Committee (if composed entirely of independent directors, or in the absence of such a committee, a majority of independent directors serving on the Board) (the “Committee”) shall determine the amount of any Erroneously Awarded Compensation Received by each Officer and shall promptly notify each Officer with a written notice containing the amount of any Erroneously Awarded Compensation and a demand for repayment or return of such compensation, as applicable.

 

 

(a)

For Incentive-based Compensation based on (or derived from) the Company’s stock price or total shareholder return, where the amount of Erroneously Awarded Compensation is not subject to mathematical recalculation directly from the information in the applicable Accounting Restatement:

 

 

i.

The amount to be repaid or returned shall be determined by the Committee based on a reasonable estimate of the effect of the Accounting Restatement on the Company’s stock price or total shareholder return upon which the Incentive-based Compensation was Received; and

 

 

ii.

The Company shall maintain documentation of the determination of such reasonable estimate and provide the relevant documentation as required to the Nasdaq Rules.

 

 

(ii)

The Committee shall have discretion to determine the appropriate means of recovering Erroneously Awarded Compensation based on the particular facts and circumstances. Notwithstanding the foregoing, except as set forth in Section B(2) below, in no event may the Company accept an amount that is less than the amount of Erroneously Awarded Compensation in satisfaction of an Officer’s obligations hereunder.

 

1
 

 

 

(iii)

To the extent that the Officer has already reimbursed the Company for any Erroneously Awarded Compensation Received under any duplicative recovery obligations established by the Company or applicable law, it shall be appropriate for any such reimbursed amount to be credited to the amount of Erroneously Awarded Compensation that is subject to recovery under this Policy.

 

 

(iv)

To the extent that an Officer fails to repay all Erroneously Awarded Compensation to the Company when due, the Company shall take all actions reasonable and appropriate to recover such Erroneously Awarded Compensation from the applicable Officer. The applicable Officer shall be required to reimburse the Company for any and all expenses reasonably incurred (including legal fees) by the Company in recovering such Erroneously Awarded Compensation in accordance with the immediately preceding sentence.

 

(2)   Notwithstanding anything herein to the contrary, the Company shall not be required to take the actions contemplated by Section B(1) above if the Committee (which, as specified above, is composed entirely of independent directors or in the absence of such a committee, a majority of the independent directors serving on the Board) determines that recovery would be impracticable and any of the following two conditions are met:

 

 

(i)

The Committee has determined that the direct expenses paid to a third party to assist in enforcing the Policy would exceed the amount to be recovered. Before making this determination, the Company must make a reasonable attempt to recover the Erroneously Awarded Compensation, documented such attempt(s) and provided such documentation to the Nasdaq Stock Market;

 

 

(ii)

Recovery would likely cause an otherwise tax-qualified retirement plan, under which benefits are broadly available to employees of the Company, to fail to meet the requirements of Section 401(a)(13) or Section 411(a) of the Internal Revenue Code of 1986, as amended, and regulations thereunder.

 

C.

DISCLOSURE REQUIREMENTS

 

The Company shall file all disclosures with respect to this Policy required by applicable U.S. Securities and Exchange Commission (“SEC”) filings and rules.

 

D.

PROHIBITION OF INDEMNIFICATION

 

The Company shall not be permitted to insure or indemnify any Officer against (i) the loss of any Erroneously Awarded Compensation that is repaid, returned or recovered pursuant to the terms of this Policy, or (ii) any claims relating to the Company’s enforcement of its rights under this Policy. Further, the Company shall not enter into any agreement that exempts any Incentive-based Compensation that is granted, paid or awarded to an Officer from the application of this Policy or that waives the Company’s right to recovery of any Erroneously Awarded Compensation, and this Policy shall supersede any such agreement (whether entered into before, on or after the Effective Date of this Policy).

 

E.

ADMINISTRATION AND INTERPRETATION

 

This Policy shall be administered by the Committee, and any determinations made by the Committee shall be final and binding on all affected individuals.

 

The Committee is authorized to interpret and construe this Policy and to make all determinations necessary, appropriate, or advisable for the administration of this Policy and for the Company’s compliance with the Nasdaq Rules, Section 10D, Rule 10D-1 and any other applicable law, regulation, rule or interpretation of the SEC or the Nasdaq Stock Market promulgated or issued in connection therewith.

 

2
 

 

F.

AMENDMENT; TERMINATION

 

The Committee may amend this Policy from time to time in its discretion and shall amend this Policy as it deems necessary. Notwithstanding anything in this Section F to the contrary, no amendment or termination of this Policy shall be effective if such amendment or termination would (after taking into account any actions taken by the Company contemporaneously with such amendment or termination) cause the Company to violate any federal securities laws, SEC rule or the Nasdaq Rules.

 

G.

OTHER RECOVERY RIGHTS

 

This Policy shall be binding and enforceable against all Officers and, to the extent required by applicable law or guidance from the SEC or the Nasdaq Stock Market, their beneficiaries, heirs, executors, administrators or other legal representatives. The Committee intends that this Policy will be applied to the fullest extent required by applicable law. Any employment agreement, equity award agreement, compensatory plan or any other agreement or arrangement with an Officer shall be deemed to include, as a condition to the grant of any benefit thereunder, an agreement by the Officer to abide by the terms of this Policy. Any right of recovery under this Policy is in addition to, and not in lieu of, any other remedies or rights of recovery that may be available to the Company under applicable law, regulation or rule or pursuant to the terms of any policy of the Company or any provision in any employment agreement, equity award agreement, compensatory plan, agreement or other arrangement.

 

H.

DEFINITIONS

 

For purposes of this Policy, the following capitalized terms shall have the meanings set forth below.

 

(1)    “Accounting Restatement” means an accounting restatement due to the material noncompliance of the Company with any financial reporting requirement under the securities laws, including any required accounting restatement to correct an error in previously issued financial statements that is material to the previously issued financial statements (a “Big R” restatement), or that would result in a material misstatement if the error were corrected in the current period or left uncorrected in the current period (a “little r” restatement).

 

(2)    “Clawback Eligible Incentive Compensation” means all Incentive-based Compensation Received by an Officer (i) on or after the effective date of the applicable Nasdaq Rules, (ii) after beginning service as an Officer, (iii) who served as an Officer at any time during the applicable performance period relating to any Incentive-based Compensation (whether or not such Officer is serving at the time the Erroneously Awarded Compensation is required to be repaid to the Company), (iv) while the Company has a class of securities listed on a national securities exchange or a national securities association, and (v) during the applicable Clawback Period (as defined below).

 

(3)    “Clawback Period” means, with respect to any Accounting Restatement, the three completed fiscal years of the Company immediately preceding the Restatement Date (as defined below), and if the Company changes its fiscal year, any transition period of less than nine months within or immediately following those three completed fiscal years.

 

(4)    “Erroneously Awarded Compensation” means, with respect to each Officer in connection with an Accounting Restatement, the amount of Clawback Eligible Incentive Compensation that exceeds the amount of Incentive-based Compensation that otherwise would have been Received had it been determined based on the restated amounts, computed without regard to any taxes paid.

 

(5)    “Officer” means any officer of the Company set forth in the Company’s Amended and Restated Bylaws including, but not limited to, each individual who is currently or was previously designated as an “executive officer” of the Company as defined in Rule 16a-1(f) under the Exchange Act. For the avoidance of doubt, the identification of an officer for purposes of this Policy shall include each officer who is or was identified pursuant to Item 401(b) of Regulation S-K or Item 6.A of Form 20-F, as applicable, as well as the principal financial officer and principal accounting officer (or, if there is no principal accounting officer, the controller).

 

3
 

 

(6)    “Financial Reporting Measures” means measures that are determined and presented in accordance with the accounting principles used in preparing the Company’s financial statements, and all other measures that are derived wholly or in part from such measures. Stock price and total shareholder return (and any measures that are derived wholly or in part from stock price or total shareholder return) shall, for purposes of this Policy, be considered Financial Reporting Measures. For the avoidance of doubt, a Financial Reporting Measure need not be presented in the Company’s financial statements or included in a filing with the SEC.

 

 

(7)    “Incentive-based Compensation” means any compensation that is granted, earned or vested based wholly or in part upon the attainment of a Financial Reporting Measure.

 

(8)    “Nasdaq” means The Nasdaq Stock Market.

 

(9)    “Received” means, with respect to any Incentive-based Compensation, actual or deemed receipt, and Incentive-based Compensation shall be deemed received in the Company’s fiscal period during which the Financial Reporting Measure specified in the Incentive-based Compensation award is attained, even if the payment or grant of the Incentive-based Compensation to the Officer occurs after the end of that period.

 

(10)    “Restatement Date” means the earlier to occur of (i) the date the Board, a committee of the Board or the officers of the Company authorized to take such action if Board action is not required, concludes, or reasonably should have concluded, that the Company is required to prepare an Accounting Restatement, or (ii) the date a court, regulator or other legally authorized body directs the Company to prepare an Accounting Restatement.

 

Effective as of November 2, 2023.

 

4
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Document And Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2023
Feb. 28, 2024
Jun. 30, 2023
Document Information [Line Items]      
Entity Central Index Key 0000846913    
Entity Registrant Name FUEL TECH, INC.    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2023    
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2023    
Document Transition Report false    
Entity File Number 001-33059    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 20-5657551    
Entity Address, Address Line One 27601 Bella Vista Parkway    
Entity Address, City or Town Warrenville    
Entity Address, State or Province IL    
Entity Address, Postal Zip Code 60555-1617    
City Area Code 630    
Local Phone Number 845-4500    
Title of 12(b) Security Common Stock    
Trading Symbol FTEK    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 34,658,691
Entity Common Stock, Shares Outstanding   30,385,297  
Auditor Name RSM US LLP    
Auditor Firm ID 49    
Auditor Location Chicago, Illinois    
XML 14 R2.htm IDEA: XBRL DOCUMENT v3.24.0.1
Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Current assets:    
Cash and cash equivalents $ 17,578 $ 23,328
Short-term investments 12,136 2,981
Accounts receivable, less current expected credit loss of $111 and $110, respectively 6,729 7,729
Inventories, net 439 392
Prepaid expenses and other current assets 1,439 1,395
Total current assets 38,321 35,825
Property and equipment, net 4,539 4,435
Goodwill 2,116 2,116
Other intangible assets, net 358 397
Right-of-use operating lease assets 609 197
Long-term investments 3,664 6,360
Other assets 781 794
Total assets 50,388 50,124
Current liabilities:    
Accounts payable 2,421 2,710
Accrued liabilities:    
Operating lease liabilities - current 81 125
Employee compensation 1,252 1,105
Other accrued liabilities 1,934 826
Total current liabilities 5,688 4,766
Operating lease liabilities - non-current 533 66
Deferred income taxes 172 177
Other liabilities 281 274
Total liabilities 6,674 5,283
Commitments and contingencies (Note 9)
Stockholders’ equity:    
Common stock, $.01 par value, 40,000,000 shares authorized, 31,361,303 and 31,272,303 shares issued, and 30,385,297 and 30,296,297 shares outstanding in 2023 and 2022, respectively 313 313
Additional paid-in capital 164,853 164,422
Accumulated deficit (117,529) (115,991)
Accumulated other comprehensive loss (1,748) (1,728)
Nil coupon perpetual loan notes 76 76
Treasury stock, at cost (Note 5) (2,251) (2,251)
Total stockholders’ equity 43,714 44,841
Total liabilities and stockholders’ equity $ 50,388 $ 50,124
XML 15 R3.htm IDEA: XBRL DOCUMENT v3.24.0.1
Consolidated Balance Sheets (Parentheticals) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Allowance for credit losses $ 111 $ 110
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 40,000,000 40,000,000
Common stock, shares issued (in shares) 31,361,303 31,272,303
Common stock, shares outstanding (in shares) 30,385,297 30,296,297
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Consolidated Statements of Operations - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Revenues $ 27,081 $ 26,941
Costs and expenses:    
Cost of sales 15,425 15,298
Selling, general and administrative 12,803 12,275
Research and development 1,511 895
Total costs and expenses 29,739 28,468
Operating loss (2,658) (1,527)
Interest expense (21) (17)
Interest income 1,300 202
Other expense, net (90) (46)
Loss before income taxes (1,469) (1,388)
Income tax expense (69) (54)
Net loss $ (1,538) $ (1,442)
Net loss per common share:    
Basic net loss per common share (in dollars per share) $ (0.05) $ (0.05)
Diluted net loss per common share (in dollars per share) $ (0.05) $ (0.05)
Weighted-average number of common shares outstanding:    
Basic weighted-average shares (in shares) 30,348,000 30,289,000
Diluted (in shares) 30,348,000 30,289,000
XML 17 R5.htm IDEA: XBRL DOCUMENT v3.24.0.1
Consolidated Statements of Comprehensive Loss - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Net loss $ (1,538) $ (1,442)
Other comprehensive loss:    
Foreign currency translation adjustments (20) (124)
Total other comprehensive loss (20) (124)
Comprehensive loss $ (1,558) $ (1,566)
XML 18 R6.htm IDEA: XBRL DOCUMENT v3.24.0.1
Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Common Stock Outstanding [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Nil Coupon Perpetual Loan Notes [Member]
Treasury Stock, Common [Member]
Total
Balance (in shares) at Dec. 31, 2021 30,264            
Balance at Dec. 31, 2021 $ 312 $ 164,199 $ (114,549) $ (1,604) $ 76 $ (2,234) $ 46,200
Net income (loss) 0 0 (1,442) 0 0 0 (1,442)
Foreign currency translation adjustments 0 0 0 (124) 0 0 (124)
Stock compensation expense $ 0 224 0 0 0 0 224
Common stock issued upon vesting of restricted stock units (in shares) 45            
Common stock issued upon vesting of restricted stock units $ 1 (1) 0 0 0 0 $ 0
Treasury shares withheld (in shares) (13)           12,497
Treasury shares withheld $ 0 0 0 0 0 (17) $ (17)
Exercise of stock options (in shares)             (0)
Exercise of stock options             $ 0
Balance (in shares) at Dec. 31, 2022 30,296            
Balance at Dec. 31, 2022 $ 313 164,422 (115,991) (1,728) 76 (2,251) 44,841
Net income (loss) 0 0 (1,538) 0 0 0 (1,538)
Foreign currency translation adjustments 0 0 0 (20) 0 0 (20)
Stock compensation expense $ 0 389 0 0 0 0 389
Common stock issued upon vesting of restricted stock units (in shares) 45            
Common stock issued upon vesting of restricted stock units $ 0 0 0 0 0 0 $ 0
Treasury shares withheld (in shares)             0
Treasury shares withheld             $ 0
Exercise of stock options (in shares) 44           44,000
Exercise of stock options $ 0 42 0 0 0 0 $ 42
Balance (in shares) at Dec. 31, 2023 30,385            
Balance at Dec. 31, 2023 $ 313 $ 164,853 $ (117,529) $ (1,748) $ 76 $ (2,251) $ 43,714
XML 19 R7.htm IDEA: XBRL DOCUMENT v3.24.0.1
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
OPERATING ACTIVITIES    
Net loss $ (1,538) $ (1,442)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Depreciation 281 352
Amortization 61 88
Loss on sale of equipment 10 0
Non-cash interest income on held-to-maturity securities (433) (5)
Provision for credit losses, net of recoveries 0 (106)
Deferred income taxes (5) 38
Stock-based compensation, net of forfeitures 389 224
Changes in operating assets and liabilities:    
Accounts receivable 1,039 (4,448)
Inventories (46) (45)
Prepaid expenses, other current assets and other non-current assets (6) (314)
Accounts payable (295) 1,159
Accrued liabilities and other non-current liabilities 1,239 360
Net cash provided by (used in) operating activities 696 (4,139)
INVESTING ACTIVITIES    
Purchases of equipment and patents (418) (206)
Purchases of debt securities (14,026) (9,777)
Maturities of debt securities 8,000 500
Net cash used in investing activities (6,444) (9,483)
FINANCING ACTIVITIES    
Proceeds from exercise of stock options 42 0
Taxes paid on behalf of equity award participants 0 (17)
Net cash provided by (used in) financing activities 42 (17)
Effect of exchange rate fluctuations on cash (44) (87)
Net decrease in cash and cash equivalents (5,750) (13,726)
Cash and cash equivalents at beginning of period 23,328 37,054
Cash and cash equivalents at end of period 17,578 23,328
Supplemental Cash Flow Information:    
Cash income taxes paid, net $ 12 $ 14
XML 20 R8.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 1 - Organization and Significant Accounting Policies
 12 Months Ended
Dec. 31, 2023
Notes to Financial Statements  
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]

1.     ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES     

 

Organization

 

Fuel Tech, Inc. and subsidiaries ("Fuel Tech", the "Company", "we", "us" or "our") develops and provides proprietary technologies for air pollution control, process optimization, water treatment, and advanced engineering services. Our primary focus is on the worldwide marketing and sale of Air Pollution Control (APC) technologies and our FUEL CHEM program.

 

The Company’s nitrogen oxide (NOx) reduction technologies reduce nitrogen oxide emissions from boilers, furnaces and other stationary combustion sources. To reduce NOx emissions, our technologies utilize advanced combustion modification techniques and post-combustion NOx control approaches including non-catalytic, catalytic and combined systems.  The Company also provides solutions for the mitigation of particulate matter, including particulate control with electrostatic precipitator products and services, and using Flue Gas Conditioning (FGC) systems which modify the ash properties of particulate for improved collection efficiency. Our FUEL CHEM program is based on proprietary TIFI® Targeted In-Furnace™ Injection technology, in combination with advanced Computational Fluid Dynamics (CFD) and Chemical Kinetics Modeling (CKM) boiler modeling, in the unique application of specialty chemicals to improve the efficiency, reliability, fuel flexibility, boiler heat rate, and environmental status of combustion units by controlling slagging, fouling, corrosion, and opacity. Water treatment technologies include DGI® Dissolved Gas Infusion Systems which utilize a patented gas-infusing saturator vessel and a patent-pending channel injector to deliver supersaturated oxygen-water solutions and potentially other gas-liquid combinations to target process applications or environmental issues within the municipal and industrial water sectors. The infusion process has a variety of potential applications in the water and wastewater treatment sector, including aquaculture, agriculture/horticulture, pulp & paper, tanneries, landfill leachate, irrigation, treatment of natural waters, wastewater odor management as well as supplying oxygen or other gases for biochemical reactions and pH adjustment.

 

Our business is materially dependent on the continued existence and enforcement of air quality regulations, particularly in the U.S. We have expended significant resources in the research and development of new technologies in building our proprietary portfolio of air pollution control, fuel and boiler treatment chemicals, computer modeling and advanced visualization technologies. Many of Fuel Tech's products and services rely heavily on the Company's CFD modeling capabilities, which are enhanced by internally developed, high-end visualization software.

 

International revenues were $6,019 and $6,630 for the years ended December 31, 2023 and 2022, respectively. These amounts represented 22% and 25% of Fuel Tech’s total revenues for the respective periods of time. Foreign currency changes did not have a material impact on the calculation of these percentages. We have foreign offices in Beijing, China and Gallarate, Italy.

 

Basis of Presentation

 

The consolidated financial statements include the accounts of Fuel Tech and its wholly owned subsidiaries. 

 

The consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the U.S. (GAAP). The books and records of subsidiaries located in foreign countries are maintained according to generally accepted accounting principles in those countries. Upon consolidation, the Company evaluates the differences in accounting principles and determines whether adjustments are necessary to convert the foreign financial statements to the accounting principles upon which the consolidated financial statements are based. All intercompany transactions have been eliminated.

 

Geopolitical and Unexpected Events 

 

Management cannot predict the full impact of geopolitical and unexpected events which may impact new or existing projects and prices and availability of raw materials, energy and other materials. These events may also impact energy and regulatory policy nationally or regionally for the impacted regions. Such disruptions could have a material adverse effect on our business and financial results. The Company continues to monitor the potential impacts on the business.

 

Liquidity

 

We have experienced net losses in recent years. We continue to monitor our liquidity needs and have taken measures to reduce expenses and restructure operations, which we feel are necessary to ensure we maintain sufficient working capital and liquidity to operate the business and invest in our future. As a result, we have evaluated our ongoing business needs, and considered the cash requirements of our APC and FUEL CHEM businesses. This evaluation included consideration of the following: a) customer and revenue trends in our APC and FUEL CHEM business segments, b) current operating structure and expenditure levels, c) current availability of working capital, and d) support for our research and development initiatives. We believe our current cash position and net cash flows expected to be generated from operations are adequate to fund planned operations of the Company.

 

 

Use of Estimates

 

The preparation of the financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. The Company uses estimates in accounting for, among other items, revenue recognition, allowance for credit losses, income tax provisions, excess and obsolete inventory reserve, impairment of long-lived assets, and warranty expenses. Actual results could differ from those estimates.

 

Fair Value Measurements

 

The carrying values of cash and cash equivalents, accounts receivable, and accounts payable are reasonable estimates of their fair value due to their short-term nature.

 

We apply authoritative accounting guidance for fair value measurements of financial and non-financial assets and liabilities. This guidance defines fair value, establishes a consistent framework for measuring fair value and expands disclosure for each major asset and liability category measured at fair value on either a recurring or nonrecurring basis and clarifies that fair value is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. As such, fair value is a market-based measurement that should be determined based on assumptions that market participants would use in pricing an asset or liability. As a basis for considering such assumptions, the standard establishes a three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value as follows:

 

 

•

Level 1 – Observable inputs to the valuation methodology such as quoted prices in active markets for identical assets or liabilities

 

 

•

Level 2 – Inputs to the valuation methodology including quoted prices for similar assets or liabilities in active markets, quoted prices for identical assets or liabilities in inactive markets, inputs other than quoted prices that are observable for the asset or liability, and inputs that are derived principally from or corroborated by observable market data by correlation or other means

 

 

•

Level 3 – Significant unobservable inputs in which there is little or no market data, which require the reporting entity to develop its own estimates and assumptions or those expected to be used by market participants. Generally, these fair value measures are model-based valuation techniques such as discounted cash flows, option pricing models, and other commonly used valuation techniques

 

Transfers between levels of the fair value hierarchy are recognized based on the actual date of the event or change in circumstances that caused the transfer. We had no assets or liabilities that were valued using level 2 or level 3 inputs and therefore there were no transfers between levels of the fair value hierarchy during the periods ended December 31, 2023 and 2022.

 

Cash and cash equivalents

 

We consider all highly liquid debt investments with original maturities from the date of purchase of three months or less as cash equivalents. Cash equivalents include investments in money market funds. At December 31, 2023, we had cash on hand of approximately $601 at our Beijing, China subsidiary that is subject to certain local regulations that may limit the immediate availability of these funds outside of China. Cash on hand at our Italy subsidiary totaled approximately $821 at December 31, 2023. Cash on hand at our Chilean subsidiary totaled approximately $200 at December 31, 2023.

 

The following table provides a reconciliation of cash and cash equivalents reported within the Consolidated Balance Sheet that sum to the total of the same such amounts shown in the Consolidated Statements of Cash Flows:

 

  

December 31, 2023

  

December 31, 2022

 

Cash

 $12,495  $12,560 

Cash equivalents

  5,083   10,768 

Total cash and cash equivalents shown in the Consolidated Statements of Cash Flows

 $17,578  $23,328 

 

Investments

 

In June 2022, the Board of Directors approved a plan to invest up to $10,000 of excess capital in debt securities, or held in money market funds until such investments can be made, with BMO Harris Bank N.A (BMO Harris). In December 2022, the Board of Directors approved an additional transfer of $10,000 of excess capital into the investment account. A portion of the funds invested are restricted as collateral under the Investment Collateral Security agreement (see Note 11). At December 31, 2023, the amount of funds collateralized under the Investment Collateral Security agreement is $1,356 relating to existing standby letters of credit that is comprised of $904 with varying maturity dates and expire no later than November 30, 2025.

 

Our investments in debt securities consist of United States (US) Treasury securities, including Notes, Bonds, and Bills, and US Government Agency securities, which are designated as held-to-maturity (HTM) and stated at amortized cost. The Company has the positive intent and ability to hold these investments to maturity and does not expect to sell any debt securities before maturity to settle an obligation under the Investment Collateral Security agreement. The maturities of our HTM investments range from three to thirty-six months. HTM debt investments with original maturities of approximately three months or less from the date of purchase are classified within cash and cash equivalents. HTM debt investments with original maturities at the date of purchase greater than approximately three months and remaining maturities of less than one year are classified as short-term investments. HTM debt investments with remaining maturities beyond one year are classified as long-term investments. Interest income, including amortization of premium and accretion of discount, are included on the Consolidated Statements of Operations in Interest income under the effective yield method. Accrued interest is included in Prepaid expenses and other current assets on the Consolidated Balance Sheets. Due to the creditworthiness of the entities issuing these securities, there is no impairment recorded related to the unrealized losses.

 

The following table provides the amortized cost, gross unrealized gains and losses, and fair value of our HTM debt securities:

 

  

December 31,

 
  

2023

  

2022

 

Held-to-maturity debt securities:

        

Amortized cost

 $15,800  $9,341 

Gross unrecognized gains

  —   — 

Gross unrecognized losses

  (86)  (168)

Fair value

 $15,714  $9,173 

 

The following table provides the amortized cost and fair value of debt securities by maturities at December 31, 2023:

 

  

Amortized Cost

  

Fair Value

 

Within one year

 $12,136  $12,056 

After one year through two years

  3,664   3,658 

Total

 $15,800  $15,714 

 

Foreign Currency Risk Management

 

Our earnings and cash flows are subject to fluctuations due to changes in foreign currency exchange rates. We do not enter into foreign currency forward contracts or into foreign currency option contracts to manage this risk due to the nature of the transactions involved.

 

Accounts Receivable

 

Accounts receivable consist of amounts due to us in the normal course of our business, are not collateralized, and normally do not bear interest. Accounts receivable includes contract assets, billings occurring subsequent to revenue recognition under Accounting Standards Codification (ASC) 606 Revenue from Contracts with Customers. At December 31, 2023 and 2022, unbilled receivables were approximately $2,285 and $3,082, respectively. Refer to Note 2 for further detail.

 

Allowance for Credit Losses

 

In June 2016, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, and in November 2019, the FASB issued ASU 2019-10, Financial Instruments - Credit Losses (Topic 326), Derivatives and Hedging (Topic 815), and Leases (Topic 842). This guidance requires the measurement of all expected losses based on historical experience, current conditions and reasonable and supportable forecasts. For trade receivables and other financial instruments, we are required to use a forward-looking expected loss model rather than the incurred loss model for recognizing credit losses which reflects losses that are probable. The Company adopted these ASUs on January 1, 2023 using the prospective method. Application of the amendments did not require a cumulative-effect adjustment to retained earnings as of the effective date and did not have a material impact on our financial statements. Beginning on January 1, 2023, Fuel Tech will use the caption Allowance for Credit Losses and our expected credit loss model to calculate the allowance.

 

For the general risk categories, the Company uses historical losses over a fixed period, excluding certain write-off activity that was not considered credit loss events, to determine the historical credit loss. Historical loss rates are then adjusted to consider current economic conditions, and past, current, and future events and circumstances when determining expected credit losses. Investments in financial assets issued by US Government and Government Agency are considered as having zero expected credit losses and are excluded from the allowance for credit loss calculation.

 

The allowance for credit losses is our management's best estimate of the amount of credit losses in accounts receivable. At the end of each reporting period, the allowance for credit losses balance is reviewed relative to management’s assessment and is adjusted if deemed necessary. Bad debt write-offs are made when management believes it is probable a receivable will not be recovered. The table below sets forth the components of the Allowance for Credit Losses for the years ended December 31.

 

Year

 Balance at January 1  

Provision charged to expense

  

Write-offs / Recoveries

  

Balance at December 31

 

2022

 $223  $(19) $(94) $110 

2023

 $110  $24  $(23) $111 

 

Prepaid expenses and other current assets

 

Prepaid expenses and other current assets are short-term commitments of typically three to six months for future payments and can be redeemed at a discount or applied to future vendor payments.

 

Inventories

 

Inventories consist primarily of equipment constructed for resale and spare parts and are stated at the lower of cost or net realizable value, using the weighted-average cost method. At December 31, 2023 and 2022, inventory included equipment constructed for resale of$207 and $207, respectively, and spare parts, net of reserves of $232 and $185, respectively. Usage is recorded in cost of sales in the period that parts were issued to a project, used to service equipment, or sold to customers. Equipment constructed for resale that is in process is recorded in Other assets. In process equipment for inventory recorded as other assets was $618 and $634 as of December 31, 2023 and 2022, respectively.   

 

Inventories are periodically evaluated to identify obsolete or otherwise impaired parts and are written off when management determines usage is not probable. The Company estimates the balance of excess and obsolete inventory by analyzing inventory by age using last used and original purchase date and existing sales pipeline for which the inventory could be used. The table below sets forth the components of the Excess and Obsolete Inventory Reserve for the years ended December 31.

 

Year

 Balance at January 1  

Provision charged to expense

  

Write-offs / Recoveries

  

Balance at December 31

 

2022

 $927  $—  $—  $927 

2023

 $927  $(56) $(258) $613 

 

Foreign Currency Translation and Transactions

 

Assets and liabilities of consolidated foreign subsidiaries are translated into U.S. dollars at exchange rates in effect at year end. Revenues and expenses are translated at average exchange rates prevailing during the year. Gains or losses on foreign currency transactions and the related tax effects are reflected in net loss. The resulting translation adjustments are included in stockholders’ equity as part of accumulated other comprehensive loss.

 

Accumulated Other Comprehensive Loss

 

  

December 31,

 
  

2023

  

2022

 

Foreign currency translation

        

Balance at beginning of period

 $(1,728) $(1,604)

Other comprehensive loss:

        

Foreign currency translation adjustments (1)

  (20)  (124)

Balance at end of period

 $(1,748) $(1,728)

Total accumulated other comprehensive loss

 $(1,748) $(1,728)

 

(1)

In all periods presented, there were no tax impacts related to functional currency translation adjustments.

 

Research and Development

 

Research and development costs are expensed as incurred. Research and development projects funded by customer contracts are reported as part of cost of goods sold. Internally funded research and development expenses are reported as operating expenses.

 

Product/System Warranty

 

We typically warrant our air pollution control products and systems against defects in design, materials and workmanship for one to two years. A provision for estimated future costs relating to warranty expense is recorded when the products/systems become commercially operational.

 

Goodwill

 

Goodwill is evaluated for impairment at the reporting unit level, which is defined as an operating segment or one level below an operating segment. Goodwill of our reporting units is assigned upon acquisition after considering the nature of the net assets giving rise to the goodwill and how each reporting unit would enjoy the benefits and synergies of the net assets acquired. We have two reporting units for goodwill evaluation purposes: the FUEL CHEM technology reporting unit and the APC technology reporting unit. There is no goodwill associated with our APC technology reporting unit. The entire goodwill balance of $2,116 was allocated to the FUEL CHEM technology reporting unit as of December 31, 2023 and 2022.

 

Goodwill is tested for impairment at least annually as of the first day of our fourth quarter, or more frequently if events or changes in circumstances indicate that the carrying value may not be recoverable. Our evaluation of goodwill impairment involves first assessing qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount. We may bypass this qualitative assessment, or determine that based on our qualitative assessment considering the totality of events and circumstances including macroeconomic factors, industry and market considerations, current and projected financial performance, a sustained decrease in our share price, or other factors, that additional impairment analysis is necessary. This additional analysis involves comparing the current fair value of our reporting units to their carrying values. We use a discounted cash flow (DCF) model to determine the current fair value of our FUEL CHEM reporting unit. A number of significant assumptions and estimates are involved in the application of the DCF model to forecast operating cash flows, including markets and market share, sales volumes and prices, costs to produce and working capital changes. Management considers historical experience and all available information at the time the fair values of its reporting units are estimated. However, actual fair values that could be realized in an actual transaction may differ from those used to evaluate the impairment of goodwill. Fuel Tech performed its annual goodwill impairment analysis as of October 1, 2023 and determined that no impairment of goodwill existed. The Company did not recognize a charge for goodwill impairment for the periods ended December 31, 2023 and 2022.

 

Other Intangible Assets

 

Management reviews other finite-lived intangible assets, patent assets, trade names, and lease assets for impairment when events or changes in circumstances indicate the carrying amount of an asset or asset group may not be recoverable. In the event that impairment indicators exist, a further analysis is performed and if the sum of the expected undiscounted future cash flows resulting from the use of the asset or asset group is less than the carrying amount of the asset or asset group, an impairment loss equal to the excess of the asset or asset group's carrying value over its fair value is recorded. Management considers historical experience and all available information at the time the estimates of future cash flows are made, however, the actual cash values that could be realized may differ from those that are estimated.

 

During the years ended December 31, 2023 and 2022, Fuel Tech recorded no patent or trademark abandonment charges.

 

Third-party costs related to the development of patents are included within other intangible assets on the consolidated balance sheets. The third-party costs capitalized as patent costs during the years ended December 31, 2023 and 2022 were $28 and $37, respectively. Third-party costs are comprised of legal fees that relate to the review and preparation of patent disclosures and filing fees incurred to present the patents to the required governing body.

 

Our intellectual property portfolio has been a significant building block for the APC and FUEL CHEM technology segments. The patents are essential to the generation of revenue for our businesses and are essential to protect us from competition in the markets in which we serve. These costs are being amortized on the straight-line method over the period beginning with the patent issuance date and ending on the patent expiration date. Patent maintenance fees are charged to operations as incurred.

 

Amortization expense from continuing operations for intangible assets was $61 and $88 for the years ended December 31, 2023 and 2022, respectively. The table below shows the amortization period and other intangible asset cost by intangible asset as of December 31, 2023 and 2022, and the accumulated amortization and net intangible asset value in total for all other intangible assets.

 

      

2023

  

2022

 

Description of Other Intangibles

 

Amortization Period (years)

  

Gross Carrying Amount

  

Accumulated Amortization

  

Net Carrying Amount

  

Gross Carrying Amount

  

Accumulated Amortization

  

Net Carrying Amount

 

Patent assets

  1 - 20   826   (468)  358   803   (406)  397 

Total

     $826  $(468) $358  $803  $(406) $397 

 

The table below shows the estimated future amortization expense for intangible assets:

 

Year

 Estimated Amortization Expense 

2024

 $54 

2025

  33 

2026

  32 

2027

  32 

2028

  32 

Thereafter

  175 

Total

 $358 

 

Property and Equipment

 

Property and equipment is stated at historical cost and does not include capital in process expenditures yet to be capitalized. Provisions for depreciation are computed by the straight-line method, using estimated useful lives that range based on the nature of the asset. Leasehold improvements are depreciated over the shorter of the associated lease term or the estimated useful life of the asset. Depreciation expense was $281 and $352 for the years ended December 31, 2023 and 2022, respectively. The table below shows the depreciable life and cost by asset class as of December 31, 2023 and 2022, and the accumulated depreciation and net book value in total for all classes of assets.

 

Description of Property and Equipment

 Depreciable Life (years)  

2023

  

2022

 

Land

     $1,050  $1,050 

Building

  39   3,950   3,950 

Building and leasehold improvements

  3 - 39   2,655   2,626 

Field equipment

  3 - 4   12,100   11,882 

Computer equipment and software

  2 - 3   2,049   2,117 

Furniture and fixtures

  3 - 10   1,307   1,306 

Vehicles

  5   32   32 

Construction in process

      99   29 

Total cost

      23,242   22,992 

Less accumulated depreciation

      (18,703)  (18,557)

Total net book value

     $4,539  $4,435 

 

Property and equipment is reviewed for impairment when events and circumstances indicate that the carrying amount of the assets (or asset group) may not be recoverable. If impairment indicators exist, we perform a more detailed analysis and an impairment loss is recognized when estimated future undiscounted cash flows expected to result from the use of the asset (or asset group) and its eventual disposition are less than the carrying amount. This process of analyzing impairment involves examining the operating condition of individual assets (or asset group) and estimating a fair value based upon current condition, relevant market factors and remaining estimated operational life compared to the asset’s remaining depreciable life. Quoted market prices and other valuation techniques are used to determine expected cash flows.

 

 

Revenue Recognition

 

The Company recognizes revenue when control of the promised goods or services is transferred to our customers, in an amount that reflects the consideration we expect to be entitled to in exchange for those goods or services. The majority of our contracts have a single performance obligation as the promise to transfer the individual goods or services is not separately identifiable from other promises in the contracts and, therefore, not distinct. Revenue is measured as the amount of consideration we expect to receive in exchange for transferring goods or providing services. Sales, value add, and other taxes we collect concurrent with revenue-producing activities are excluded from revenue.

 

Air Pollution Control Technology

 

Fuel Tech’s APC contracts are typically six to eighteen months in length. A typical contract will have three or four critical operational measurements that, when achieved, serve as the basis for us to invoice the customer via progress billings. At a minimum, these measurements will include the generation of engineering drawings, the shipment of equipment and the completion of a system performance test.

 

As part of most of its contractual APC project agreements, Fuel Tech will agree to customer-specific acceptance criteria that relate to the operational performance of the system that is being sold. These criteria are determined based on modeling that is performed by Fuel Tech personnel, which is based on operational inputs that are provided by the customer. The customer will warrant that these operational inputs are accurate as they are specified in the binding contractual agreement. Further, the customer is solely responsible for the accuracy of the operating condition information; typically all performance guarantees and equipment warranties granted by us are voidable if the operating condition information is inaccurate or is not met.

 

Since control transfers over time, revenue is recognized based on the extent of progress towards completion of the single performance obligation. Fuel Tech uses the cost-to-cost input measure of progress for our contracts since it best depicts the transfer of assets to the customer which occurs as we incur costs on our contracts. Under the cost-to-cost input measure of progress, the extent of progress towards completion is measured based on the ratio of costs incurred to date to the total estimated costs at completion of the performance obligation. Revenues are recorded proportionally as costs are incurred. Costs to fulfill include all internal and external engineering costs, equipment charges, inbound and outbound freight expenses, internal and site transfer costs, installation charges, purchasing and receiving costs, inspection costs, warehousing costs, project personnel travel expenses and other direct and indirect expenses specifically identified as project- or product-line related, as appropriate (e.g. test equipment depreciation and certain insurance expenses).

 

Fuel Tech’s APC product line also includes ancillary revenue for post contractual goods and services. Revenue associated with these activities are recognized at point in time when delivery of goods or completion of the service obligation is performed.

 

Fuel Tech normally provides performance guarantees to our customers based on the operating conditions for the project. As part of the project implementation process, we perform system start-up and optimization services that effectively serve as a test of actual project performance. We believe that this test, combined with the accuracy of the modeling that is performed, enables revenue to be recognized prior to the receipt of formal customer acceptance.

 

FUEL CHEM

 

Revenues from the sale of chemical products are recognized when control transfers to customer upon shipment or delivery of the product based on the applicable shipping terms. We generally recognize revenue for these arrangements at a point in time based on our evaluation of when the customer obtains control of the promised goods or services. 

 

On occasion, Fuel Tech will engineer and sell its chemical pumping equipment.  These projects are similar in nature to the APC projects described above and for those projects where control transfers over time, revenue is recognized based on the extent of progress towards completion of the single performance obligation. 

 

For projects containing multiple performance obligations, the Company allocates the transaction price based on the estimated standalone selling price. The Company must develop assumptions that require judgment to determine the stand-alone selling price for each performance obligation identified in the contract. The Company utilizes key assumptions to determine the stand-alone selling price, which may include other comparable transactions, pricing considered in negotiating the transaction and the estimated costs. Variable consideration is allocated specifically to one or more performance obligations in a contract when the terms of the variable consideration relate to the satisfaction of the performance obligation and the resulting amounts allocated are consistent with the amounts the Company would expect to receive for the satisfaction of each performance obligation.

 

The consideration allocated to each performance obligation is recognized as revenue when control is transferred for the related goods or services. For performance obligations which consist of licenses and other promises, the Company utilizes judgment to assess the nature of the combined performance obligation to determine whether the combined performance obligation is satisfied over time or at a point in time and, if over time, the appropriate method of measuring progress. The Company evaluates the measure of progress each reporting period and, if necessary, adjusts the measure of performance and related revenue recognition.

 

The Company receives payments from its customers based on billing schedules established in each contract. Up-front payments and fees are recorded as deferred revenue upon receipt or when due until the Company performs its obligations under these arrangements. Amounts are recorded as accounts receivable when the Company’s right to consideration is unconditional.

 

 

Cost of Sales

 

Cost of sales includes all internal and external engineering costs, equipment and chemical charges, inbound and outbound freight expenses, internal and site transfer costs, installation charges, purchasing and receiving costs, inspection costs, warehousing costs, project personnel travel expenses and other direct and indirect expenses specifically identified as project- or product line-related, as appropriate (e.g., test equipment depreciation and certain insurance expenses). Certain depreciation and amortization expenses related to tangible and intangible assets, respectively, are allocated to cost of sales. We classify shipping and handling costs in cost of sales in the consolidated statements of operations.

 

Selling, General and Administrative Expenses

 

Selling, general and administrative expenses primarily include the following categories except where an allocation to the cost of sales line item is warranted due to the project- or product-line nature of a portion of the expense category: salaries and wages, employee benefits, non-project travel, insurance, legal, rent, accounting and auditing, recruiting, telephony, employee training, Board of Directors’ fees, auto rental, office supplies, dues and subscriptions, utilities, real estate taxes, commissions and bonuses, marketing materials, postage and business taxes. Departments comprising the selling, general and administrative line item primarily include the functions of executive management, finance and accounting, investor relations, regulatory affairs, marketing, business development, information technology, human resources, sales, legal and general administration.

 

Income Taxes

 

The provision for income taxes is determined using the asset and liability approach of accounting for income taxes. Under this approach, the provision for income taxes represents income taxes paid or payable (or received or receivable) for the current year plus the change in deferred taxes during the year. Deferred taxes represent the future tax consequences expected to occur when the reported amounts of assets and liabilities are recovered or paid, and result from differences between the financial and tax bases of our assets and liabilities and are adjusted for changes in tax rates and tax laws when enacted. Valuation allowances are recorded to reduce deferred tax assets when it is more likely than not that a tax benefit will not be realized. In evaluating the need for a valuation allowance, management considers all potential sources of taxable income, including income available in carryback periods, future reversals of taxable temporary differences, projections of taxable income, and income from tax planning strategies, as well as all available positive and negative evidence. Positive evidence includes factors such as a history of profitable operations, projections of future profitability within the carryforward period, including from tax planning strategies, and our experience with similar operations. Negative evidence includes items such as cumulative losses, projections of future losses, or carryforward periods that are not long enough to allow for the utilization of a deferred tax asset based on existing projections of income. Deferred tax assets for which no valuation allowance is recorded may not be realized upon changes in facts and circumstances.

 

Tax benefits related to uncertain tax positions taken or expected to be taken on a tax return are recorded when such benefits meet a more likely than not threshold. Otherwise, these tax benefits are recorded when a tax position has been effectively settled, which means that the statute of limitation has expired or the appropriate taxing authority has completed their examination even though the statute of limitations remains open. Interest and penalties related to uncertain tax positions are recognized as part of the provision for income taxes and are accrued beginning in the period that such interest and penalties would be applicable under relevant tax law until such time that the related tax benefits are recognized.

 

Leases

 

The Company applies the provisions of ASC 842, Leases. The Company determines if an arrangement is a lease at inception by evaluating whether the arrangement conveys the right to use an identified asset and whether the Company obtains substantially all of the economic benefits from and has the ability to direct the use of the asset. Right-of-use (ROU) assets and lease liabilities are recognized at the lease commencement date based on the present value of the future minimum lease payments over the lease term. Operating ROU assets also include the impact of any lease incentives. Operating leases are included in right-of-use operating lease assets, operating lease liabilities - current, and operating lease liabilities - non-current on our Consolidated Balance Sheets.

 

Operating lease ROU assets and operating lease liabilities are recognized based on the present value of the future minimum lease payments over the lease term at commencement date. As most of our leases do not provide an implicit rate, we use our incremental borrowing rate based on the information available at commencement date in determining the present value of future payments. The operating lease ROU asset also includes any lease payments made and excludes lease incentives and initial direct costs incurred. Our lease terms may include options to extend or terminate the lease when it is reasonably certain that we will exercise that option. Lease expense for minimum lease payments is recognized on a straight-line basis over the lease term.

 

We have lease agreements with lease and non-lease components, and we elected the practical expedient to not separate lease and non-lease components for the majority of our leases. For certain equipment leases, such as vehicles, we account for the lease and non-lease components as a single lease component. We also elected the practical expedient for leases with an initial term of 12 months or less.

 

Stock-Based Compensation

 

Our stock-based employee compensation plan, referred to as the Fuel Tech, Inc. 2014 Long-Term Incentive Plan (Incentive Plan), was adopted in May 2014 and allows for awards to be granted to participants in the form of non-qualified stock options, incentive stock options, stock appreciation rights, restricted stock, restricted stock units, performance awards, and bonuses or other forms of share-based or non-share-based awards or combinations thereof. Participants in the Incentive Plan may be our directors, officers, employees, consultants or advisors (except consultants or advisors in capital-raising transactions) as the directors determine are key to the success of our business. There are a maximum of 5,884,076 shares that may be issued or reserved for awards to participants under the Incentive Plan as of December 31, 2023. Based on the existing issued or reserved awards in Incentive Plan, there are 645,650 shares available to be used for future awards to participants in the Incentive Plan as of December 31, 2023.

 

Defined Contribution Plan

 

We have a retirement savings plan available for all our U.S. employees who have met minimum length-of-service requirements. Our contributions are determined based upon amounts contributed by the employees with additional contributions made at the discretion of the Board of Directors. Costs related to this plan were $233 and $200 in 2023 and 2022, respectively.

 

Basic and Diluted Earnings per Common Share

 

Basic earnings per share excludes the antidilutive effects of stock options, restricted stock units (RSUs), warrants, and the nil coupon non-redeemable convertible unsecured loan notes (see Note 6). Diluted earnings per share includes the dilutive effect of the nil coupon non-redeemable convertible unsecured loan notes, RSUs, warrants, and unexercised in-the-money stock options, except in periods of net loss where the effect of these instruments is antidilutive. Out-of-the-money stock options and warrants are excluded from diluted earnings per share because they are unlikely to be exercised and would be anti-dilutive if they were exercised. At December 31, 2023 and 2022, basic earnings per share is equal to diluted earnings per share because all outstanding stock awards, warrants, and convertible loan notes are considered anti-dilutive during periods of net loss. At December 31, 2023 and 2022, we had weighted-average outstanding equity awards of 390,900 and 763,800, respectively, and 2,850,000 warrants in both periods, which were antidilutive or represent out-of-the-money options for the purpose of calculation of the diluted earnings per share. As of December 31, 2023 and 2022, 246,500 and 42,600 incremental equity awards were antidilutive because of the net loss in the year then ended, respectively. These equity awards could potentially dilute basic EPS in future years.

 

The table below sets forth the weighted-average shares used at December 31 in calculating earnings (loss) per share:

 

  

2023

  

2022

 

Basic weighted-average shares

  30,348,000   30,289,000 

Conversion of unsecured loan notes

  —   — 

Unexercised options and unvested restricted stock units

  —   — 

Diluted weighted-average shares

  30,348,000   30,289,000 

 

Risk Concentrations

 

Financial instruments that potentially subject the Company to a significant concentration of credit risk consist primarily of cash and cash equivalents and accounts receivable. The Company maintains deposits in federally insured financial institutions in excess of federally insured limits. However, management believes the Company is not exposed to significant credit risk due to the financial position of its primary depository institution where a significant portion of its deposits are held.

 

For the year ended December 31, 2023, we had two customers which individually represented greater than 10% of revenues. These two customers contributed revenues to the FUEL CHEM technology segment. In total these two customers represented 36% of consolidated revenues. We had no customer that accounted for greater than 10% of our current assets as of December 31, 2023.

 

For the year ended December 31, 2022, we had three customers which individually represented greater than 10% of revenues. Two customers primarily contributed revenues to the FUEL CHEM technology segment and one contributed revenue to the APC technology segment. In total these three customers represented 48% of consolidated revenues. We had no customer that accounted for greater than 10% of our current assets as of December 31, 2022.

 

We control credit risk through requiring milestone payments on long-term contracts, performing ongoing credit evaluations of its customers, and in some cases obtaining security for payment through bank guarantees and letters of credit.

 

Our FUEL CHEM technology segment is dependent, in part, upon a supply of magnesium hydroxide. Any adverse changes in the availability of this chemical will likely have an adverse impact on ongoing operation of our FUEL CHEM programs. Our supplier of magnesium hydroxide, Martin Marietta Magnesia Specialties, LLC (MMMS) assures the continuance of a stable supply from MMMS of magnesium hydroxide products for our requirements in the U.S. and Canada. MMMS supplies us with magnesium hydroxide products manufactured pursuant to our specifications and we have agreed to purchase from MMMS, and MMMS has agreed to supply, 100% of our requirements for such magnesium hydroxide products for our customers who purchase such products for delivery in the U.S. and Canada. There can be no assurance that we will be able to obtain a stable source of magnesium hydroxide in markets outside the U.S.

 

Treasury Stock

 

We use the cost method to account for common stock repurchases. During the years ended December 31, 2023 and 2022, we withheld 0 and 12,497 shares of our common stock, valued at approximately $0 and $17, respectively, to settle personal tax withholding obligations that arose as a result of restricted stock units that vested. Refer to Note 5, “Treasury Stock,” for further discussion.

 

Recently Issued Accounting Pronouncements

 

 

In November 2023, the FASB issued ASU 2023- 07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures, which provides guidance for additional disclosures around segment reporting. The standard will become effective for annual periods beginning on January 1, 2024 for Fuel Tech and for interim periods thereafter. Application of the amendments is retrospective. The Company is reviewing the impact of this new pronouncement and expects to incorporate the additional disclosures in the Segment note when the ASU is adopted. 

 

 

In December 2023, the FASB issued ASU 2023- 09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which provides guidance for additional disclosures around the tax rate reconciliation and other tax disclosures. The standard will become effective for annual periods beginning on January 1, 2025 for Fuel Tech. Application of the amendments should be applied prospectively but retrospective application is permitted. The Company is reviewing the impact of this new pronouncement and expects to incorporate the additional disclosures in the Tax note when the ASU is adopted.
 

 
XML 21 R9.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 2 - Revenue Recognition
 12 Months Ended
Dec. 31, 2023
Notes to Financial Statements  
Revenue from Contract with Customer [Text Block]

2.     REVENUE RECOGNITION

 

Disaggregated Revenue by Product Technology

 

The following table presents our revenues disaggregated by product technology:

 

  

Twelve Months Ended December 31,

 
  

2023

  

2022

 

Air Pollution Control

        

Technology solutions

 $9,497  $7,935 

Spare parts

  2,239   911 

Ancillary revenue

  1,747   1,751 

Total Air Pollution Control technology

  13,483   10,597 

FUEL CHEM

        

FUEL CHEM technology solutions

  13,598   16,344 

Total Revenues

 $27,081  $26,941 

 

Disaggregated Revenue by Geography

 

The following table presents our revenues disaggregated by geography, based on the location of the end-user:

 

  

Twelve Months Ended December 31,

 
  

2023

  

2022

 

United States

 $21,062  $20,311 

Foreign Revenues

        

Americas

  577   213 

Europe

  3,064   2,888 

Asia

  2,378   3,529 

Total Foreign Revenues

  6,019   6,630 

Total Revenues

 $27,081  $26,941 

 

Timing of Revenue Recognition

 

The following table presents the timing of our revenue recognition:

 

  

Twelve Months Ended December 31,

 
  

2023

  

2022

 

Products transferred at a point in time

 $17,584  $18,849 

Products and services transferred over time

  9,497   8,092 

Total Revenues

 $27,081  $26,941 

 

Contract Balances

 

The timing of revenue recognition, billings and cash collections results in billed accounts receivable, unbilled receivables (contract assets), and customer advances and deposits (contract liabilities) on the Consolidated Balance Sheets. In our APC technology segment, amounts are billed as work progresses in accordance with agreed-upon contractual terms. Generally, billing occurs subsequent to revenue recognition, resulting in contract assets. For the FUEL CHEM technology segment, deliveries made in the current period but billed in subsequent periods are also considered contract assets. These assets are reported on the Consolidated Balance Sheet on a contract-by-contract basis at the end of each reporting period. At December 31, 2023, 2022, and 2021 contract assets for APC technology projects were approximately $2,285, $3,082, and $1,277, respectively, and are included in accounts receivable on the consolidated balance sheets. There were no contract assets for the FUEL CHEM technology segment as of  December 31, 2023, 2022, and 2021.

 

However, the Company will periodically bill in advance of costs incurred before revenue is recognized, resulting in contract liabilities. These liabilities are reported on the consolidated balance sheet on a contract-by-contract basis at the end of each reporting period. Contract liabilities were $1,279, $372, and $390 at December 31, 2023, 2022, and 2021, respectively, and are included in other accrued liabilities on the consolidated balance sheets.

 

Changes in the contract asset and liability balances during the year ended  December 31, 2023, were not materially impacted by any other items other than amounts billed and revenue recognized as described previously. Revenue recognized that was included in the contract liability balance at the beginning of the period was $368 and $384 for the years ended December 31, 2023 and 2022, respectively, which represented primarily revenue from progress toward completion of our APC technology contracts. 

 

As of December 31, 2023 and 2022 we had no construction contracts in progress that were identified as a loss contract. 

 

Remaining Performance Obligations

 

Remaining performance obligations, represents the transaction price of APC technology booked orders for which work has not been performed. As of December 31, 2023, the aggregate amount of the transaction price allocated to remaining performance obligations was $7,458. The Company expects to recognize revenue on approximately $7,389 of the remaining performance obligations over the next 12 months.

 

Practical Expedients and Exemptions

 

We generally expense sales commissions on a ratable basis when incurred because the amortization period would have been one year or less. These costs are recorded within selling, general and administrative expenses within the Consolidated Statements of Operations. A practical expedient was elected to not recognize shipping and handling costs as a separate performance obligation under ASC 606.

 

Accounts Receivable

 

The components of accounts receivable are as follows:

 

  

As of

 
  

December 31, 2023

  

December 31, 2022

 

Trade receivables

 $4,300  $4,605 

Unbilled receivables

  2,285   3,082 

Other short-term receivables

  255   152 

Allowance for credit losses

  (111)  (110)

Total accounts receivable

 $6,729  $7,729 

  
XML 22 R10.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 3 - Income Taxes
 12 Months Ended
Dec. 31, 2023
Notes to Financial Statements  
Income Tax Disclosure [Text Block]

3.     INCOME TAXES

 

Within the calculation of the Company’s annual effective tax rate, the Company has used assumptions and estimates that may change as a result of future guidance, interpretation, and rule-making from the Internal Revenue Service, the SEC, and the FASB and/or various other taxing jurisdictions.  For example, the Company anticipates that the state jurisdictions will continue to determine and announce their conformity to the U.S. Tax Act which could have an impact on the annual effective tax rate.

 

On August 16, 2022, President Biden signed into law the Inflation Reduction Act (IRA) of 2022, which, among other things, imposes a new 15% corporate Alternative Minimum Tax (AMT) based on audited financial statement income ("AFSI") applicable to corporations with a three-year average AFSI over $1 billion. The AMT is effective for the 2023 tax year and, if applicable, corporations must pay the greater of the regular corporate income tax or the AMT. Although NOL carryforwards created through the regular corporate income tax system cannot be used to reduce the AMT, financial statement net operating losses can be used to reduce AFSI and the amount of AMT owed. The IRA of 2022 as enacted requires the U.S. Treasury to provide regulations and other guidance necessary to administer the AMT, including further defining allowable adjustments to determine AFSI, which directly impacts the amount of AMT to be paid. Based on interim guidance issued by the U.S. Treasury in late December 2022, the Company was not subject to the AMT in 2023. Further, the Company believes that it is more likely than not it will not be subject to the AMT beginning 2024. The Company continues to evaluate the impacts of the Inflation Reduction Act of 2022 but does not expect this legislation to have a material impact on the Company's financial statements.

 

For tax years beginning before January 1, 2022, taxpayers can make an election with respect to research and experimental (R&E) expenditures incurred in connection with a trade or business to either currently deduct or defer and amortize such expenditures over a period of not less than 60 months. However, the Tax Cuts and Jobs Act of 2017 (TCJA) requires taxpayers to capitalize R&E expenditures effective for taxable years beginning after December 31, 2021. R&E expenditures attributable to US-based research must be amortized over a period of 5 years and R&E expenditures attributable to research conducted outside of the US must be amortized over a period of 15 years. Further, the statute provides that the definition of R&E expenditures includes amounts paid or incurred in connection with the development of any software.  The Company has recorded a deferred tax asset of $1,053 related to research and experimental expenditures for the year ending December 31, 2023.

 

The U.S. Tax Cuts and Jobs Act of 2017, or the Tax Act, imposed a mandatory transition tax on accumulated foreign earnings as of December 31, 2017 and created a new territorial tax system in which we recognize the tax impact of including certain foreign earnings in U.S. taxable income as a period cost. For the years ended December 31, 2023 and 2022, we incurred income tax expense under the global intangible low-taxed income, or GILTI, provisions and have treated it as a component of income tax expense in the period incurred.

 

The components of loss before taxes for the years ended December 31 are as follows:

 

Origin of (loss) income before taxes

 

2023

  

2022

 

United States

 $(1,772) $(1,262)

Foreign

  303   (126)

Loss before income taxes

 $(1,469) $(1,388)

 

Significant components of income tax benefit (expense) for the years ended December 31 are as follows:

 

  

2023

  

2022

 

Current:

        

Federal

 $—  $— 

State

  (19)  (6)

Foreign

  (55)  (10)

Total current

  (74)  (16)

Deferred:

        

Federal

  2   (19)

State

  3   (19)

Total deferred

  5   (38)

Income tax expense

 $(69) $(54)

 

A reconciliation between the provision for income taxes calculated at the U.S. federal statutory income tax rate and the consolidated income tax expense in the consolidated statements of operations for the years ended December 31 is as follows:

 

  

2023

  

2022

 

Provision at the U.S. federal statutory rate

  21.0%  21.0%

State taxes, net of federal benefit

  4.7%  3.1%

Foreign tax rate differential

  (0.6)%  0.4%

Valuation allowance

  (4.9)%  (48.8)%

Chile outside basis differential

  —%  0.4%

Italy IRES/IREP

  (3.8)%  —%

Accrual to return

  (5.8)%  3.1%

Research and development credit

  5.4%  5.9%

State rate change

  (1.4)%  9.5%

Share based compensation

  (6.7)%  3.3%

Other Deferred true up

  (6.6)%  —%

Global Intangible Low-Taxed Income (GILTI) inclusion

  (4.4)%  —%

Other

  (1.7)%  (1.8)%

Income tax (expense) benefit effective rate

  (4.8)%  (3.9)%

 

The deferred tax assets and liabilities at December 31 are as follows:

 

  

2023

  

2022

 

Deferred tax assets:

        

Stock compensation expense

 $250  $272 

Goodwill

  —   182 

Royalty accruals

  10   10 

Bad debt allowance

  52   53 

Net operating loss carryforwards

  12,048   12,158 

Credit carry-forwards

  1,134   1,058 

Inventory reserve

  153   233 

Depreciation

  548   585 

Research and Development Costs

  1,053   528 

Other

  606   471 

Total deferred tax assets

  15,854   15,550 

Deferred tax liabilities:

        

Goodwill

  (238)  — 

Intangible assets

  (89)  (100)

Total deferred tax liabilities

  (327)  (100)

Net deferred tax asset before valuation allowance

  15,527   15,450 

Valuation allowances for deferred tax assets

  (15,699)  (15,627)

Net deferred tax liability

 $(172) $(177)

 

The change in the valuation allowance for deferred tax assets for the years ended December 31 is as follows:

 

Year

 Balance at January 1  

Charged to costs and expenses

  (Deductions)/Other  

Balance at December 31

 

2022

 $14,950   677   —  $15,627 

2023

 $15,627   72   —  $15,699 

 

For the years ended December 31, 2023 and 2022, there were $42 and $0 exercises of stock options, respectively.

 

As required by ASC 740, we recognize the financial statement benefit of a tax position only after determining that the relevant tax authority would more likely than not sustain the position following an audit. For tax positions meeting the more-likely-than-not threshold, the amount recognized in the financial statements is the largest benefit that has a greater than 50% likelihood of being realized upon ultimate settlement with the relevant tax authority.

 

The table below sets forth a reconciliation of the beginning and ending amount of unrecognized tax benefit.

 

Year

 

Balance at January 1

  

Change in positions taken in a current period

  

Balance at December 31

 

2022

 $265   28  $293 

2023

 $293   33  $326 

 

We recognize interest and penalties related to unrecognized tax benefits in income tax expense for all periods presented. There were no interest and penalties recognized in income tax expense during the years ended December 31, 2023 and 2022. There were no unrecognized tax benefits as of December 31, 2023 and 2022. There is unrecognized tax benefit of $326 and $293 for the years ended December 31, 2023 and 2022, respectively, that would impact the future effective tax rate, if recognized.  We believe the unrecognized tax benefit will change in the next twelve months, either due to the generation or utilization of research and development credits.  We are unable to estimate the amount of change.  Tax years December 31, 2014 through December 31, 2023 remain open to assessment related to the unrecognized tax benefit.

 

We are subject to taxation in the U.S., various states, and in non-U.S. jurisdictions. Our U.S. income tax returns are primarily subject to examination from 2020 through 2022; however, U.S. tax authorities also have the ability to review prior tax years to the extent loss carryforwards and tax credit carryforwards are utilized. The open years for the non-U.S. tax returns range from 2015 through 2022 based on local statutes.

 

Management periodically estimates our probable tax obligations using historical experience in tax jurisdictions and informed judgments. There are inherent uncertainties related to the interpretation of tax regulations in the jurisdictions in which we transact business. The judgments and estimates made at a point in time may change based on the outcome of tax audits, as well as changes to or further interpretations of regulations. If such changes take place, there is a risk that the tax rate may increase or decrease in any period. Tax accruals for tax liabilities related to potential changes in judgments and estimates for both federal and state tax issues are included in current liabilities on the consolidated balance sheet.

 

The investment in foreign subsidiaries other than Fuel Tech S.p.A (Chile) and Beijing Fuel Tech is considered to be indefinite in duration and therefore we have not provided a provision for deferred U.S. income taxes on the unremitted earnings from those subsidiaries. A provision has not been established because it is not practicable to determine the amount of unrecognized deferred tax liability for such unremitted foreign earnings and because it is our present intention to reinvest the undistributed earnings indefinitely.

 

As required by ASC 740, a valuation allowance must be established when it is more likely than not that all or a portion of a deferred tax asset will not be realized. We have approximately $27,953 of U.S. net operating loss carryforwards available to offset future U.S. taxable income as of December 31, 2023.  The net operating loss carry-forwards related to tax losses generated in years ending December 31, 2018 and before in the U.S. totaling $10,733 begin to expire in 2036.  Further, we have tax loss carry-forwards of approximately $6,373 available to offset future foreign income in Italy as of December 31, 2023. We have recorded a full valuation allowance against the deferred tax asset because we cannot anticipate when or if this entity will have taxable income sufficient to utilize the net operating losses in the future. There is no expiration of the net operating loss carry-forwards related to tax losses generated in prior years in Italy. Finally, we have tax loss carry-forwards of approximately $13,735 available to offset future foreign income in China as of December 31, 2023. 

 

As of December 31, 2019, the investment in Fuel Tech S.p.A (Chile) was no longer considered to be indefinite and a provision for deferred U.S. income taxes was recorded. As of December 31, 2022, the provision for deferred U.S. income taxes related to the Fuel Tech S.p.A (Chile) investment was $151. As of December 31, 2023, Fuel Tech S.p.A (Chile) was still included in continuing operations. As a result an additional ($2) was recorded, adjusting the total consideration to $149. The deferred income taxes associated with this investment are offset by a valuation allowance of ($149).

 
XML 23 R11.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 4 - Common Stock
 12 Months Ended
Dec. 31, 2023
Notes to Financial Statements  
Equity [Text Block]

4.     COMMON STOCK

 

At December 31, 2023 and 2022, respectively, we had 31,361,303 and 31,272,303 shares of common stock issued and 30,385,297 and 30,296,297 outstanding, with an additional 6,715 shares reserved for issuance upon conversion of the nil coupon non-redeemable convertible unsecured loan notes (see Note 6). As of December 31, 2023, we had 5,600,676 shares reserved for issuance upon the exercise or vesting of equity awards, of which 270,500 are stock options that are currently exercisable (see Note 8).
XML 24 R12.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 5 - Treasury Stock
 12 Months Ended
Dec. 31, 2023
Notes to Financial Statements  
Treasury Stock [Text Block]

5.     TREASURY STOCK

 

Common stock held in treasury totaled 976,006 and 976,006 with a cost of $2,251 and $2,251 at December 31, 2023 and 2022, respectively. These shares were withheld from employees to settle personal tax withholding obligations that arose as a result of restricted stock units that vested during the periods presented.
XML 25 R13.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 6 - Nil Coupon Non-redeemable Convertible Unsecured Loan Notes
 12 Months Ended
Dec. 31, 2023
Notes to Financial Statements  
Debt Disclosure [Text Block]

11.     DEBT FINANCING

 

On June 30, 2022, the Company entered into an Investment Collateral Security agreement to use for the sole purpose of issuing standby letters of credit that replaces the former Cash Collateral agreement with BMO Harris. The Investment Collateral Security agreement requires us to pledge our investments as collateral for 150% of the aggregate face amount of outstanding standby letters of credit. The Company pays 250 basis points on the face values of outstanding letters of credit. There are no financial covenants set forth in the Investment Collateral Security agreement. At December 31, 2023, the Company had outstanding standby letters of credit totaling approximately $904 under the Investment Collateral Security agreement. At December 31, 2023, the investments held as collateral totaled $1,356. Fuel Tech is committed to reimbursing the issuing bank for any payments made by the bank under these instruments.

   
NIL Coupon Non-redeemable Convertible Unsecured Loan Notes [Member]  
Notes to Financial Statements  
Debt Disclosure [Text Block]

6.     NIL COUPON NON-REDEEMABLE CONVERTIBLE UNSECURED LOAN NOTES

 

At December 31, 2023 and 2022, we had a principal amount of $76 of nil coupon non-redeemable convertible unsecured perpetual loan notes (Loan Notes) outstanding. The Loan Notes are convertible at any time into common stock at rates of $6.50 and $11.43 per share, depending on the note. As of December 31, 2023, the nil coupon loan notes were convertible into 6,715 shares of common stock. Based on our closing stock price of $1.05 at December 31, 2023, the aggregate fair value of the common stock that the holders would receive if all the loan notes were converted would be approximately $7, which is less than the principal amount of the loans outstanding as of that date. The Loan Notes bear no interest and have no maturity date. They are repayable in the event of our dissolution and the holders do not have the option to cash-settle the notes. Accordingly, they have been classified within stockholders’ equity in the accompanying balance sheets. The notes do not hold distribution or voting rights unless and until converted into common stock.

 

For the years ended December 31, 2023 and 2022, there were no Loan Notes repurchased by the Company.
XML 26 R14.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 7 - Warrants
 12 Months Ended
Dec. 31, 2023
Notes to Financial Statements  
Warrants Disclosure [Text Block]

7. WARRANTS

 

On February 11, 2021, Fuel Tech entered into a securities purchase agreement to issue and sell, in a private placement, 5,000,000 shares of common stock and 2,500,000 warrants exercisable for a total of 2,500,000 shares of common stock with an exercise price of $5.10 per Warrant Share, at a purchase price of $5.1625 per Share and associated warrant. The Warrants expire on the five and one-half year anniversary of the effective date of the registration statement registering the Warrant Shares for resale.  In addition, the Company issued to the placement agent Warrants to purchase up to 350,000 shares of common stock.  The Placement Agent Warrants are exercisable at an exercise price of $6.45 per share of common stock and expire on the five and one-half year anniversary of the effective date of the registration statement registering the Shares and the Warrant Shares for resale.

 

The issuance of warrants to purchase shares of the Company's common stock are summarized as follows:

 

  

Shares

 

Outstanding as of December 31, 2022

  2,850,000 

Granted

  — 

Exercised

  — 

Outstanding as of December 31, 2023

  2,850,000 

 

The following table summarizes information about warrants outstanding and exercisable at December 31, 2023:

 

    

Number

  

Weighted-Average

     
    

Outstanding/

  

Remaining Life

  

Weighted-Average

 

Range of Exercise Price

  

Exercisable

  

in Years

  

Exercise Price

 
$5.10   2,500,000   2.62  $5.10 
$6.45   350,000   2.62  $6.45 
     2,850,000         

 
XML 27 R15.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 8 - Stock-based Compensation
 12 Months Ended
Dec. 31, 2023
Notes to Financial Statements  
Share-Based Payment Arrangement [Text Block]

8.     STOCK-BASED COMPENSATION

 

Under our stock-based employee compensation plan, referred to as the Fuel Tech, Inc. 2014 Long-Term Incentive Plan (Incentive Plan), awards may be granted to participants in the form of Non-Qualified Stock Options, Incentive Stock Options, Stock Appreciation Rights, Restricted Stock, RSUs, Performance Awards, Bonuses or other forms of share-based or non-share-based awards or combinations thereof. Participants in the Incentive Plan may be our directors, officers, employees, consultants or advisors (except consultants or advisors in capital-raising transactions) as the directors determine are key to the success of our business. There are a maximum of 5,884,076 shares that may be issued or reserved for awards to participants under the Incentive Plan. At December 31, 2023, we had 645,650 equity awards available for issuance under the Incentive Plan.

 

We did not record any excess tax benefits within income tax expense for the years ended December 31, 2023 and 2022. Given the Company has a full valuation allowance on its deferred tax assets, there were no excess tax benefits to record. In addition, we account for forfeitures of awards based on an estimate of the number of awards expected to be forfeited and adjusting the estimate when it is no longer probable that the employee will fulfill the service condition.

 

Stock-based compensation is included in selling, general and administrative costs in our consolidated statements of operations. The components of stock-based compensation from continuing operations for the years ended December 31, 2023 and 2022 were as follows:

 

  

For the Year Ended December 31,

 
  

2023

  

2022

 

Stock options and restricted stock units, net of forfeitures

 $389  $224 

After-tax effect of stock based compensation

 $389  $224 

 

Stock Options

 

The stock options granted to employees under the Incentive Plan have a 10-year life and they vest as follows: 50% after the second anniversary of the award date, 25% after the third anniversary, and the final 25% after the fourth anniversary of the award date. Fuel Tech calculates stock compensation expense for employee option awards based on the grant date fair value of the award, less expected annual forfeitures, and recognizes expense on a straight-line basis over the four-year service period of the award. Stock options granted to members of our Board of Directors vest immediately. Stock compensation for these awards is based on the grant date fair value of the award and is recognized in expense immediately. 

 

Fuel Tech uses the Black-Scholes option pricing model to estimate the grant date fair value of employee stock options. The principal variable assumptions utilized in valuing options and the methodology for estimating such model inputs include: (1) risk-free interest rate – an estimate based on the yield of zero–coupon treasury securities with a maturity equal to the expected life of the option; (2) expected volatility – an estimate based on the historical volatility of Fuel Tech’s common stock for a period equal to the expected life of the option; and (3) expected life of the option – an estimate based on historical experience including the effect of employee terminations.

 

There were no stock options granted during the years ended December 31, 2023 and 2022.

 

The following table presents a summary of our stock option activity and related information for the years ended December 31:

 

  

2023

  

2022

 
  

Number of Options

  Weighted-Average Exercise Price  

Number of Options

  Weighted-Average Exercise Price 

Outstanding at beginning of year

  384,500  $2.98   434,500  $3.05 

Granted

  —   —   —   — 

Exercised

  (44,000)  0.96   —   — 

Expired or forfeited

  (70,000)  3.85   (50,000)  3.55 

Outstanding at end of year

  270,500  $3.09   384,500  $2.98 

Exercisable at end of year

  270,500  $3.09   384,500  $2.98 

Weighted-Average Remaining Contractual Life (years)

      1.56       2.43 

Aggregate Intrinsic Value

     $4      $27 

 

The aggregate intrinsic value in the preceding table represents the total pretax intrinsic value, based on our closing stock price of $1.05 as of December 31, 2023, which would have been received by the option holders had those options holders exercised their stock options as of that date. 

 

The following table summarizes information about stock options outstanding at December 31, 2023:

 

Options Outstanding and Exercisable

 

Range of Exercise Prices

 Number of Options  Weighted-Average Remaining Contractual Life (years)  Weighted-Average Exercise Price 

$0.96 - $1.27

  44,000   3.9  $0.97 

$1.28 - $2.01

  27,000   2.4   1.58 

$2.02 - $3.83

  105,000   1.4   2.44 

$3.84 - $5.22

  94,500   0.4   5.22 
   270,500   1.6  $3.09 

 

As of and for the 12 months ended December 31, 2023, there was no non-vested stock option activity and no total unrecognized compensation cost related to non-vested stock options granted under the Incentive Plan. Fuel Tech received proceeds of $42 and $0 from the exercise of stock options in the years ended December 31, 2023 and 2022., respectively.  It is our policy to issue new shares upon option exercises, loan conversions, and vesting of restricted stock units. We have not used cash and do not anticipate any future use of cash to settle equity instruments granted under share-based payment arrangements. Shares received for exercise of stock options come from newly issued shares. 

 

Restricted Stock Units

 

RSUs granted to employees vest over time based on continued service (typically vesting over a period between two to four years), and RSUs granted to directors vest after a one year vesting period based on continued service. Such time-vested RSUs are valued at the date of grant based on the closing price of the Common Shares on the grant date. Compensation cost, adjusted for estimated forfeitures, is amortized on a straight-line basis over the requisite service period. 

 

In addition to the time vested RSUs, the Company entered into a 2023 Executive Performance RSU Award Agreement (the “2023 Agreement”) with certain officers, including its President and Chief Executive Officer, Chief Financial Officer and Senior Vice President, Sales (each a “2023 Participating Executive”) pursuant to which each 2023 Participating Executive will have the opportunity to earn a specified amount of RSUs based on Fuel Tech’s performance in 2023 and 2024. The target amount of RSUs for each of four possible RSU award components is set for each Participating Executive for 2023 and 2024. The amount, if any, of actual RSU awards to be issued is contingent on performance by the Participating Executive and the Company in the performance areas and for the measurement periods set forth in the Agreement as determined by the Company.

 

The Agreement provides for four possible RSU awards: “Look-Back RSUs,” “Total Revenue RSUs,” “New Business Growth RSUs,” and “Operating Income Growth” RSUs. If the Look-Back RSU’s are awarded, these RSUs will follow a vesting schedule that provides for vesting of one-third of the granted Look-Back RSUs after the first anniversary of the grant determination date, one-third after the second anniversary date and one-third after the third anniversary date. If the Total Revenue RSUs, New Business Growth RSUs, or Operating Income Growth RSUs targets are achieved, these RSU’s will follow a vesting schedule whereby 100% of the granted RSUs will vest one year following the grant determination date. All RSUs are valued at the date of grant based on the closing price of the Company’s common stock on the grant date.

 

 

During the years ended December 31, 2023 and 2022, there were 45,000 and 45,003 restricted stock units that vested with a grant date fair value of $62 and $68, respectively. As of December 31, 2023, there was $2,807 of total unrecognized compensation cost related to all non-vested share-based compensation arrangements granted under the Incentive Plan. That cost is expected to be recognized over the remaining requisite service period of 1.7 years.

 

A summary of restricted stock unit activity for the years ended December 31, 2023 and 2022 is as follows:

 

  

Shares

  Weighted Average Grant Date Fair Value 

Unvested restricted stock units at December 31, 2021

  45,003  $1.51 

Granted

  807,048   1.32 

Forfeited

  (40,000)  1.32 

Vested

  (45,003)  1.51 

Unvested restricted stock units at December 31, 2022

  767,048   1.32 

Granted

  1,040,200   1.26 

Forfeited

  —   — 

Vested

  (45,000)  1.37 

Unvested restricted stock units at December 31, 2023

  1,762,248  $1.29 

 

Deferred Directors Fees

 

In addition to the Incentive Plan, Fuel Tech has a Deferred Compensation Plan for Directors (Deferred Plan). Under the terms of the Deferred Plan, Directors can elect to defer Directors’ fees for shares of Fuel Tech common stock that are issuable at a future date as defined in the agreement. In accordance with ASC 718, Fuel Tech accounts for these awards as equity awards as opposed to liability awards. In 2023 and 2022, there was no stock-based compensation expense under the Deferred Plan.
XML 28 R16.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 9 - Commitments and Contingencies
 12 Months Ended
Dec. 31, 2023
Notes to Financial Statements  
Commitments and Contingencies Disclosure [Text Block]

9.     COMMITMENTS AND CONTINGENCIES

 

Fuel Tech is subject to various claims and contingencies related to, among other things, workers compensation, general liability (including product liability), and lawsuits. The Company records liabilities where a contingent loss is probable and can be reasonably estimated. If the reasonable estimate of a probable loss is a range, the Company records the most probable estimate of the loss or the minimum amount when no amount within the range is a better estimate than any other amount. The Company discloses a contingent liability even if the liability is not probable or the amount is not estimable, or both, if there is a reasonable possibility that a material loss may have been incurred.

 

From time to time we are involved in litigation with respect to matters arising from the ordinary conduct of our business. In the opinion of management, based upon presently available information, either adequate provision for anticipated costs have been accrued or the ultimate anticipated costs will not materially affect our consolidated financial position, results of operations, or cash flows. We do not believe we have any pending loss contingencies that are probable or reasonably possible of having a material impact on our consolidated financial position, results of operations or cash flows.

 

 

Performance Guarantees

 

The majority of Fuel Tech’s long-term equipment construction contracts contain language guaranteeing that the performance of the system that is being sold to the customer will meet specific criteria. On occasion, performance surety bonds and bank performance guarantees/letters of credit are issued to the customer in support of the construction contracts as follows:

 

 

•

in support of the warranty period defined in the contract; or

 

•

in support of the system performance criteria that are defined in the contract.

 

As of December 31, 2023, we had outstanding bank performance guarantees and letters of credit in the amount of $904 in support of equipment construction contracts that have not completed their final acceptance test or that are still operating under a warranty period. The performance guarantees and letters of credit expire in dates ranging from March 2024 through November 2025. The expiration dates may be extended if the project completion dates are extended. Our management believes it is probable that these projects will be successfully completed and that there will not be a material adverse impact on our operations from these bank performance guarantees and letters of credit. As a result, no liability has been recorded for these performance guarantees.

 

Product Warranties

 

Fuel Tech issues a standard product warranty with the sale of our products to customers. Our recognition of warranty liability is based primarily on analyses of warranty claims experience in the preceding years as the nature of our historical product sales for which we offer a warranty are substantially unchanged. This approach provides an aggregate warranty accrual that is historically aligned with actual warranty claims experienced. There was no change in the warranty liability included in the Other accrued liabilities line of the Consolidated Balance Sheet in 2023 and 2022. The warranty liability balance was $159 at December 31, 2023 and 2022.
XML 29 R17.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 10 - Leases
 12 Months Ended
Dec. 31, 2023
Notes to Financial Statements  
Lessee, Operating Leases [Text Block]

10.     LEASES

 

The terms of the Company’s three primary office space lease arrangements are as follows:

 

 

•

The Gallarate, Italy building lease, for approximately 1,335 square feet, runs through April 30, 2025. This facility serves as the operating headquarters for our European operations.

 

•

The Aurora, IL warehouse lease, for approximately 11,000 square feet, runs through March 31, 2031. This facility serves as an outside warehouse facility. 

 

•

The Overland Park, KS lease, for approximately 600 square feet, runs through October 15, 2024. This facility serves primarily as a sales office.

 

The Company also has three additional operating leases related to certain office equipment and company leased vehicles and one short-term lease. Our leases have remaining lease terms of 0.5 years to 7.3 years. Our leases do not contain any material residual value guarantees or material restricted covenants and we currently have no material sublease arrangements. We have no financing leases as defined under ASC 842.

 

Total operating lease expense is as follows:

 

   2023   2022 

Operating lease cost

 $188  $176 

Short-term lease cost

  15   29 

Total lease cost

 $203  $205 

 

The weighted average remaining lease term was 6.58 years as of December 31, 2023. The weighted average discount rate was 8.00% as of December 31, 2023. 

 

Remaining maturities of our existing lease liabilities as of December 31, 2023 were as follows:

 

Year Ending December 31,

 

Operating Leases

 

2024

 $133 

2025

  113 

2026

  103 

2027

  106 

2028

  110 

Thereafter

  258 

Total lease payments

 $823 

Less imputed interest

  (209)

Total

 $614 

 

The following is the balance sheet classification of our existing lease liabilities:

 

  

2023

  

2022

 

Operating lease liabilities - current

 $81  $125 

Operating lease liabilities - non-current

  533   66 

Total operating lease liabilities

 $614  $191 

 

Supplemental cash flow information related to leases was as follows:

 

  For the Twelve Months ended December 31, 2023  For the twelve months ended December 31, 2022 

Cash paid for amounts included in the measurement of lease liabilities

 $150  $157 

Leased assets obtained in exchange for operating lease liabilities

  533   139 
XML 30 R18.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 11 - Debt Financing
 12 Months Ended
Dec. 31, 2023
Notes to Financial Statements  
Debt Disclosure [Text Block]

11.     DEBT FINANCING

 

On June 30, 2022, the Company entered into an Investment Collateral Security agreement to use for the sole purpose of issuing standby letters of credit that replaces the former Cash Collateral agreement with BMO Harris. The Investment Collateral Security agreement requires us to pledge our investments as collateral for 150% of the aggregate face amount of outstanding standby letters of credit. The Company pays 250 basis points on the face values of outstanding letters of credit. There are no financial covenants set forth in the Investment Collateral Security agreement. At December 31, 2023, the Company had outstanding standby letters of credit totaling approximately $904 under the Investment Collateral Security agreement. At December 31, 2023, the investments held as collateral totaled $1,356. Fuel Tech is committed to reimbursing the issuing bank for any payments made by the bank under these instruments.

   
XML 31 R19.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 12 - Business Segment and Geographic Financial Data
 12 Months Ended
Dec. 31, 2023
Notes to Financial Statements  
Segment Reporting Disclosure [Text Block]

12.     BUSINESS SEGMENT AND GEOGRAPHIC FINANCIAL DATA

 

Business Segment Financial Data

 

We segregate our financial results into two reportable segments representing two broad technology segments as follows:

 

 

•

The Air Pollution Control technology segment includes technologies to reduce NOx emissions in flue gas generated by the firing of natural gas or coal from boilers, incinerators, furnaces and other stationary combustion sources. These include NOxOUT® and HERT™ Selective Non-Catalytic Reduction systems and Selective Catalytic Reduction (SCR) systems. Our SCR systems can also include Ammonia Injection Grid, and GSG™ Graduated Straightening Grid systems to provide high NOx reductions at significantly lower capital and operating costs than conventional SCR systems. ULTRA® technology creates ammonia at a plant site using safe urea for use with any SCR application. ESP technologies make use of electrostatic precipitator products and services to reduce particulate matter. FGC systems are chemical injection systems offered in markets outside the U.S. and Canada to enhance electrostatic precipitator and fabric filter performance in controlling particulate emissions.

 

 

•

The FUEL CHEM® technology segment, which uses chemical processes in combination with advanced CFD and CKM boiler modeling, for the control of slagging, fouling, corrosion, opacity and other sulfur trioxide-related issues in coal-fired furnaces and boilers through the addition of chemicals into the furnace using TIFI® Targeted In-Furnace Injection™ technology.

 

The “Other” classification includes those profit and loss items not allocated to either reportable segment. There are no inter-segment sales that require elimination.

 

We evaluate performance and allocate resources based on gross margin by reportable segment. The accounting policies of the reportable segments are the same as those described in the summary of significant accounting policies. We do not review assets by reportable segment, but rather, in aggregate for the Company as a whole.

 

Information about reporting segment net sales and gross margin from continuing operations are provided below:

 

For the year ended December 31, 2023

 

Air Pollution Control Segment

  

FUEL CHEM Segment

  

Other

  

Total

 

Revenues from external customers

 $13,483  $13,598  $—  $27,081 

Cost of sales

  (8,410)  (7,015)  —   (15,425)

Gross margin

  5,073   6,583   —   11,656 

Selling, general and administrative

  —   —   (12,803)  (12,803)

Research and development

  —   —   (1,511)  (1,511)

Operating income (loss) from continuing operations

 $5,073  $6,583  $(14,314) $(2,658)

 

For the year ended December 31, 2022

Air Pollution Control Segment

 

FUEL CHEM Segment

 

Other

 

Total

 

Revenues from external customers

$10,597 $16,344 $— $26,941 

Cost of sales

 (6,924) (8,374) —  (15,298)

Gross margin

 3,673  7,970  —  11,643 

Selling, general and administrative

 —  —  (12,275) (12,275)

Research and development

 —  —  (895) (895)

Operating income (loss) from continuing operations

$3,673 $7,970 $(13,170)$(1,527)

 

Geographic Segment Financial Data

 

Information concerning our operations by geographic area is provided below. Revenues are attributed to countries based on the location of the end-user. Assets are those directly associated with operations of the geographic area.

 

For the years ended December 31,

 

2023

  

2022

 

Revenues:

        

United States

 $21,062  $20,311 

Foreign

  6,019   6,630 
  $27,081  $26,941 

 

As of December 31,

 

2023

  

2022

 

Assets:

        

United States

 $46,487  $47,007 

Foreign

  3,901   3,117 
  $50,388  $50,124 
XML 32 R20.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 13 - Restructuring Activities
 12 Months Ended
Dec. 31, 2023
Notes to Financial Statements  
Restructuring and Related Activities Disclosure [Text Block]

13.     RESTRUCTURING ACTIVITIES

 

On January 18, 2019, the Company announced a planned suspension of its APC business operation in China (Beijing Fuel Tech). This action was part of Fuel Tech’s ongoing operational improvement initiatives designed to prioritize resource allocation, reduce costs, and drive profitability for the Company on a global basis. The transition associated with the suspension of the APC business includes staff rationalization, supplier and partner engagement, and the monetization of certain assets. The remaining transition activities include the execution of the remaining activities to satisfy the requirements for the remaining APC projects in China (with a backlog totaling approximately $3) and those related to subsidiary closure.

 

The following table presents our revenues and net loss in China for the years ended December 31, 2023 and 2022:

 

  

2023

  

2022

 

Total revenues

 $2  $3 

Net loss

  (50)  (209)

 

The following table presents net assets in China as of   December 31, 2023 and 2022:

 

  

2023

  

2022

 

Total assets

 $846  $929 

Total liabilities

  67   79 

Total net assets

 $779  $850 

 

Total assets primarily consist of cash and other receivables. Total liabilities consist of accounts payable and certain accrued liabilities.

 

The Company recorded no restructuring charges for the years ended December 31, 2023 and 2022.

 
XML 33 R21.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 14 - Accrued Liabilities
 12 Months Ended
Dec. 31, 2023
Notes to Financial Statements  
Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]

14.     ACCRUED LIABILITIES

 

The components of other accrued liabilities are as follows:

 

  

As of

 
  

December 31, 2023

  

December 31, 2022

 

Contract liabilities (Note 2)

 $1,279  $372 

Warranty reserve (Note 9)

  159   159 

Deferred revenue

  103   75 

Accrued professional fees

  101   — 

Other accrued liabilities

  292   220 

Total other accrued liabilities

 $1,934  $826 
XML 34 R22.htm IDEA: XBRL DOCUMENT v3.24.0.1
Insider Trading Arrangements
 12 Months Ended
Dec. 31, 2023
Insider Trading Arr Line Items  
Material Terms of Trading Arrangement [Text Block]

ITEM 9B - OTHER INFORMATION

 

None
Rule 10b5-1 Arrangement Adopted [Flag] false
Non-Rule 10b5-1 Arrangement Adopted [Flag] false
Rule 10b5-1 Arrangement Terminated [Flag] false
Non-Rule 10b5-1 Arrangement Terminated [Flag] false
XML 35 R23.htm IDEA: XBRL DOCUMENT v3.24.0.1
Significant Accounting Policies (Policies)
 12 Months Ended
Dec. 31, 2023
Accounting Policies [Abstract]  
Basis of Accounting, Policy [Policy Text Block]

Basis of Presentation

 

The consolidated financial statements include the accounts of Fuel Tech and its wholly owned subsidiaries. 

 

The consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the U.S. (GAAP). The books and records of subsidiaries located in foreign countries are maintained according to generally accepted accounting principles in those countries. Upon consolidation, the Company evaluates the differences in accounting principles and determines whether adjustments are necessary to convert the foreign financial statements to the accounting principles upon which the consolidated financial statements are based. All intercompany transactions have been eliminated.
Geopolitical And Unexpected Events [Policy Text Block]

Geopolitical and Unexpected Events 

 

Management cannot predict the full impact of geopolitical and unexpected events which may impact new or existing projects and prices and availability of raw materials, energy and other materials. These events may also impact energy and regulatory policy nationally or regionally for the impacted regions. Such disruptions could have a material adverse effect on our business and financial results. The Company continues to monitor the potential impacts on the business.
Liquidity, Policy [Policy Text Block]

Liquidity

 

We have experienced net losses in recent years. We continue to monitor our liquidity needs and have taken measures to reduce expenses and restructure operations, which we feel are necessary to ensure we maintain sufficient working capital and liquidity to operate the business and invest in our future. As a result, we have evaluated our ongoing business needs, and considered the cash requirements of our APC and FUEL CHEM businesses. This evaluation included consideration of the following: a) customer and revenue trends in our APC and FUEL CHEM business segments, b) current operating structure and expenditure levels, c) current availability of working capital, and d) support for our research and development initiatives. We believe our current cash position and net cash flows expected to be generated from operations are adequate to fund planned operations of the Company.
Use of Estimates, Policy [Policy Text Block]

Use of Estimates

 

The preparation of the financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. The Company uses estimates in accounting for, among other items, revenue recognition, allowance for credit losses, income tax provisions, excess and obsolete inventory reserve, impairment of long-lived assets, and warranty expenses. Actual results could differ from those estimates.
Fair Value Measurement, Policy [Policy Text Block]

Fair Value Measurements

 

The carrying values of cash and cash equivalents, accounts receivable, and accounts payable are reasonable estimates of their fair value due to their short-term nature.

 

We apply authoritative accounting guidance for fair value measurements of financial and non-financial assets and liabilities. This guidance defines fair value, establishes a consistent framework for measuring fair value and expands disclosure for each major asset and liability category measured at fair value on either a recurring or nonrecurring basis and clarifies that fair value is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. As such, fair value is a market-based measurement that should be determined based on assumptions that market participants would use in pricing an asset or liability. As a basis for considering such assumptions, the standard establishes a three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value as follows:

 

 

•

Level 1 – Observable inputs to the valuation methodology such as quoted prices in active markets for identical assets or liabilities

 

 

•

Level 2 – Inputs to the valuation methodology including quoted prices for similar assets or liabilities in active markets, quoted prices for identical assets or liabilities in inactive markets, inputs other than quoted prices that are observable for the asset or liability, and inputs that are derived principally from or corroborated by observable market data by correlation or other means

 

 

•

Level 3 – Significant unobservable inputs in which there is little or no market data, which require the reporting entity to develop its own estimates and assumptions or those expected to be used by market participants. Generally, these fair value measures are model-based valuation techniques such as discounted cash flows, option pricing models, and other commonly used valuation techniques

 

Transfers between levels of the fair value hierarchy are recognized based on the actual date of the event or change in circumstances that caused the transfer. We had no assets or liabilities that were valued using level 2 or level 3 inputs and therefore there were no transfers between levels of the fair value hierarchy during the periods ended December 31, 2023 and 2022.
Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]

Cash and cash equivalents

 

We consider all highly liquid debt investments with original maturities from the date of purchase of three months or less as cash equivalents. Cash equivalents include investments in money market funds. At December 31, 2023, we had cash on hand of approximately $601 at our Beijing, China subsidiary that is subject to certain local regulations that may limit the immediate availability of these funds outside of China. Cash on hand at our Italy subsidiary totaled approximately $821 at December 31, 2023. Cash on hand at our Chilean subsidiary totaled approximately $200 at December 31, 2023.

 

The following table provides a reconciliation of cash and cash equivalents reported within the Consolidated Balance Sheet that sum to the total of the same such amounts shown in the Consolidated Statements of Cash Flows:

 

  

December 31, 2023

  

December 31, 2022

 

Cash

 $12,495  $12,560 

Cash equivalents

  5,083   10,768 

Total cash and cash equivalents shown in the Consolidated Statements of Cash Flows

 $17,578  $23,328 

 
Investment, Policy [Policy Text Block]

Investments

 

In June 2022, the Board of Directors approved a plan to invest up to $10,000 of excess capital in debt securities, or held in money market funds until such investments can be made, with BMO Harris Bank N.A (BMO Harris). In December 2022, the Board of Directors approved an additional transfer of $10,000 of excess capital into the investment account. A portion of the funds invested are restricted as collateral under the Investment Collateral Security agreement (see Note 11). At December 31, 2023, the amount of funds collateralized under the Investment Collateral Security agreement is $1,356 relating to existing standby letters of credit that is comprised of $904 with varying maturity dates and expire no later than November 30, 2025.

 

Our investments in debt securities consist of United States (US) Treasury securities, including Notes, Bonds, and Bills, and US Government Agency securities, which are designated as held-to-maturity (HTM) and stated at amortized cost. The Company has the positive intent and ability to hold these investments to maturity and does not expect to sell any debt securities before maturity to settle an obligation under the Investment Collateral Security agreement. The maturities of our HTM investments range from three to thirty-six months. HTM debt investments with original maturities of approximately three months or less from the date of purchase are classified within cash and cash equivalents. HTM debt investments with original maturities at the date of purchase greater than approximately three months and remaining maturities of less than one year are classified as short-term investments. HTM debt investments with remaining maturities beyond one year are classified as long-term investments. Interest income, including amortization of premium and accretion of discount, are included on the Consolidated Statements of Operations in Interest income under the effective yield method. Accrued interest is included in Prepaid expenses and other current assets on the Consolidated Balance Sheets. Due to the creditworthiness of the entities issuing these securities, there is no impairment recorded related to the unrealized losses.

 

The following table provides the amortized cost, gross unrealized gains and losses, and fair value of our HTM debt securities:

 

  

December 31,

 
  

2023

  

2022

 

Held-to-maturity debt securities:

        

Amortized cost

 $15,800  $9,341 

Gross unrecognized gains

  —   — 

Gross unrecognized losses

  (86)  (168)

Fair value

 $15,714  $9,173 

 

The following table provides the amortized cost and fair value of debt securities by maturities at December 31, 2023:

 

  

Amortized Cost

  

Fair Value

 

Within one year

 $12,136  $12,056 

After one year through two years

  3,664   3,658 

Total

 $15,800  $15,714 

 
Foreign Currency Risk Management [Policy Text Block]

Foreign Currency Risk Management

 

Our earnings and cash flows are subject to fluctuations due to changes in foreign currency exchange rates. We do not enter into foreign currency forward contracts or into foreign currency option contracts to manage this risk due to the nature of the transactions involved.
Accounts Receivable [Policy Text Block]

Accounts Receivable

 

Accounts receivable consist of amounts due to us in the normal course of our business, are not collateralized, and normally do not bear interest. Accounts receivable includes contract assets, billings occurring subsequent to revenue recognition under Accounting Standards Codification (ASC) 606 Revenue from Contracts with Customers. At December 31, 2023 and 2022, unbilled receivables were approximately $2,285 and $3,082, respectively. Refer to Note 2 for further detail.
Receivables, Trade and Other Accounts Receivable, Allowance for Doubtful Accounts, Policy [Policy Text Block]

Allowance for Credit Losses

 

In June 2016, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, and in November 2019, the FASB issued ASU 2019-10, Financial Instruments - Credit Losses (Topic 326), Derivatives and Hedging (Topic 815), and Leases (Topic 842). This guidance requires the measurement of all expected losses based on historical experience, current conditions and reasonable and supportable forecasts. For trade receivables and other financial instruments, we are required to use a forward-looking expected loss model rather than the incurred loss model for recognizing credit losses which reflects losses that are probable. The Company adopted these ASUs on January 1, 2023 using the prospective method. Application of the amendments did not require a cumulative-effect adjustment to retained earnings as of the effective date and did not have a material impact on our financial statements. Beginning on January 1, 2023, Fuel Tech will use the caption Allowance for Credit Losses and our expected credit loss model to calculate the allowance.

 

For the general risk categories, the Company uses historical losses over a fixed period, excluding certain write-off activity that was not considered credit loss events, to determine the historical credit loss. Historical loss rates are then adjusted to consider current economic conditions, and past, current, and future events and circumstances when determining expected credit losses. Investments in financial assets issued by US Government and Government Agency are considered as having zero expected credit losses and are excluded from the allowance for credit loss calculation.

 

The allowance for credit losses is our management's best estimate of the amount of credit losses in accounts receivable. At the end of each reporting period, the allowance for credit losses balance is reviewed relative to management’s assessment and is adjusted if deemed necessary. Bad debt write-offs are made when management believes it is probable a receivable will not be recovered. The table below sets forth the components of the Allowance for Credit Losses for the years ended December 31.

 

Year

 Balance at January 1  

Provision charged to expense

  

Write-offs / Recoveries

  

Balance at December 31

 

2022

 $223  $(19) $(94) $110 

2023

 $110  $24  $(23) $111 

 
Prepaid Expenses and Other Current Assets [Policy Text Block]

Prepaid expenses and other current assets

 

Prepaid expenses and other current assets are short-term commitments of typically three to six months for future payments and can be redeemed at a discount or applied to future vendor payments.
Inventory, Policy [Policy Text Block]

Inventories

 

Inventories consist primarily of equipment constructed for resale and spare parts and are stated at the lower of cost or net realizable value, using the weighted-average cost method. At December 31, 2023 and 2022, inventory included equipment constructed for resale of$207 and $207, respectively, and spare parts, net of reserves of $232 and $185, respectively. Usage is recorded in cost of sales in the period that parts were issued to a project, used to service equipment, or sold to customers. Equipment constructed for resale that is in process is recorded in Other assets. In process equipment for inventory recorded as other assets was $618 and $634 as of December 31, 2023 and 2022, respectively.   

 

Inventories are periodically evaluated to identify obsolete or otherwise impaired parts and are written off when management determines usage is not probable. The Company estimates the balance of excess and obsolete inventory by analyzing inventory by age using last used and original purchase date and existing sales pipeline for which the inventory could be used. The table below sets forth the components of the Excess and Obsolete Inventory Reserve for the years ended December 31.

 

Year

 Balance at January 1  

Provision charged to expense

  

Write-offs / Recoveries

  

Balance at December 31

 

2022

 $927  $—  $—  $927 

2023

 $927  $(56) $(258) $613 

 
Foreign Currency Transactions and Translations Policy [Policy Text Block]

Foreign Currency Translation and Transactions

 

Assets and liabilities of consolidated foreign subsidiaries are translated into U.S. dollars at exchange rates in effect at year end. Revenues and expenses are translated at average exchange rates prevailing during the year. Gains or losses on foreign currency transactions and the related tax effects are reflected in net loss. The resulting translation adjustments are included in stockholders’ equity as part of accumulated other comprehensive loss.
Accumulated Other Comprehensive Income (Loss), Policy [Policy Text Block]

Accumulated Other Comprehensive Loss

 

  

December 31,

 
  

2023

  

2022

 

Foreign currency translation

        

Balance at beginning of period

 $(1,728) $(1,604)

Other comprehensive loss:

        

Foreign currency translation adjustments (1)

  (20)  (124)

Balance at end of period

 $(1,748) $(1,728)

Total accumulated other comprehensive loss

 $(1,748) $(1,728)

 

(1)

In all periods presented, there were no tax impacts related to functional currency translation adjustments.
Research and Development Expense, Policy [Policy Text Block]

Research and Development

 

Research and development costs are expensed as incurred. Research and development projects funded by customer contracts are reported as part of cost of goods sold. Internally funded research and development expenses are reported as operating expenses.
Standard Product Warranty, Policy [Policy Text Block]

Product/System Warranty

 

We typically warrant our air pollution control products and systems against defects in design, materials and workmanship for one to two years. A provision for estimated future costs relating to warranty expense is recorded when the products/systems become commercially operational.
Goodwill and Intangible Assets, Policy [Policy Text Block]

Goodwill

 

Goodwill is evaluated for impairment at the reporting unit level, which is defined as an operating segment or one level below an operating segment. Goodwill of our reporting units is assigned upon acquisition after considering the nature of the net assets giving rise to the goodwill and how each reporting unit would enjoy the benefits and synergies of the net assets acquired. We have two reporting units for goodwill evaluation purposes: the FUEL CHEM technology reporting unit and the APC technology reporting unit. There is no goodwill associated with our APC technology reporting unit. The entire goodwill balance of $2,116 was allocated to the FUEL CHEM technology reporting unit as of December 31, 2023 and 2022.

 

Goodwill is tested for impairment at least annually as of the first day of our fourth quarter, or more frequently if events or changes in circumstances indicate that the carrying value may not be recoverable. Our evaluation of goodwill impairment involves first assessing qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount. We may bypass this qualitative assessment, or determine that based on our qualitative assessment considering the totality of events and circumstances including macroeconomic factors, industry and market considerations, current and projected financial performance, a sustained decrease in our share price, or other factors, that additional impairment analysis is necessary. This additional analysis involves comparing the current fair value of our reporting units to their carrying values. We use a discounted cash flow (DCF) model to determine the current fair value of our FUEL CHEM reporting unit. A number of significant assumptions and estimates are involved in the application of the DCF model to forecast operating cash flows, including markets and market share, sales volumes and prices, costs to produce and working capital changes. Management considers historical experience and all available information at the time the fair values of its reporting units are estimated. However, actual fair values that could be realized in an actual transaction may differ from those used to evaluate the impairment of goodwill. Fuel Tech performed its annual goodwill impairment analysis as of October 1, 2023 and determined that no impairment of goodwill existed. The Company did not recognize a charge for goodwill impairment for the periods ended December 31, 2023 and 2022.

 

Other Intangible Assets

 

Management reviews other finite-lived intangible assets, patent assets, trade names, and lease assets for impairment when events or changes in circumstances indicate the carrying amount of an asset or asset group may not be recoverable. In the event that impairment indicators exist, a further analysis is performed and if the sum of the expected undiscounted future cash flows resulting from the use of the asset or asset group is less than the carrying amount of the asset or asset group, an impairment loss equal to the excess of the asset or asset group's carrying value over its fair value is recorded. Management considers historical experience and all available information at the time the estimates of future cash flows are made, however, the actual cash values that could be realized may differ from those that are estimated.

 

During the years ended December 31, 2023 and 2022, Fuel Tech recorded no patent or trademark abandonment charges.

 

Third-party costs related to the development of patents are included within other intangible assets on the consolidated balance sheets. The third-party costs capitalized as patent costs during the years ended December 31, 2023 and 2022 were $28 and $37, respectively. Third-party costs are comprised of legal fees that relate to the review and preparation of patent disclosures and filing fees incurred to present the patents to the required governing body.

 

Our intellectual property portfolio has been a significant building block for the APC and FUEL CHEM technology segments. The patents are essential to the generation of revenue for our businesses and are essential to protect us from competition in the markets in which we serve. These costs are being amortized on the straight-line method over the period beginning with the patent issuance date and ending on the patent expiration date. Patent maintenance fees are charged to operations as incurred.

 

Amortization expense from continuing operations for intangible assets was $61 and $88 for the years ended December 31, 2023 and 2022, respectively. The table below shows the amortization period and other intangible asset cost by intangible asset as of December 31, 2023 and 2022, and the accumulated amortization and net intangible asset value in total for all other intangible assets.

 

      

2023

  

2022

 

Description of Other Intangibles

 

Amortization Period (years)

  

Gross Carrying Amount

  

Accumulated Amortization

  

Net Carrying Amount

  

Gross Carrying Amount

  

Accumulated Amortization

  

Net Carrying Amount

 

Patent assets

  1 - 20   826   (468)  358   803   (406)  397 

Total

     $826  $(468) $358  $803  $(406) $397 

 

The table below shows the estimated future amortization expense for intangible assets:

 

Year

 Estimated Amortization Expense 

2024

 $54 

2025

  33 

2026

  32 

2027

  32 

2028

  32 

Thereafter

  175 

Total

 $358 

 
Property, Plant and Equipment, Policy [Policy Text Block]

Property and Equipment

 

Property and equipment is stated at historical cost and does not include capital in process expenditures yet to be capitalized. Provisions for depreciation are computed by the straight-line method, using estimated useful lives that range based on the nature of the asset. Leasehold improvements are depreciated over the shorter of the associated lease term or the estimated useful life of the asset. Depreciation expense was $281 and $352 for the years ended December 31, 2023 and 2022, respectively. The table below shows the depreciable life and cost by asset class as of December 31, 2023 and 2022, and the accumulated depreciation and net book value in total for all classes of assets.

 

Description of Property and Equipment

 Depreciable Life (years)  

2023

  

2022

 

Land

     $1,050  $1,050 

Building

  39   3,950   3,950 

Building and leasehold improvements

  3 - 39   2,655   2,626 

Field equipment

  3 - 4   12,100   11,882 

Computer equipment and software

  2 - 3   2,049   2,117 

Furniture and fixtures

  3 - 10   1,307   1,306 

Vehicles

  5   32   32 

Construction in process

      99   29 

Total cost

      23,242   22,992 

Less accumulated depreciation

      (18,703)  (18,557)

Total net book value

     $4,539  $4,435 

 

Property and equipment is reviewed for impairment when events and circumstances indicate that the carrying amount of the assets (or asset group) may not be recoverable. If impairment indicators exist, we perform a more detailed analysis and an impairment loss is recognized when estimated future undiscounted cash flows expected to result from the use of the asset (or asset group) and its eventual disposition are less than the carrying amount. This process of analyzing impairment involves examining the operating condition of individual assets (or asset group) and estimating a fair value based upon current condition, relevant market factors and remaining estimated operational life compared to the asset’s remaining depreciable life. Quoted market prices and other valuation techniques are used to determine expected cash flows.
Revenue [Policy Text Block]

Revenue Recognition

 

The Company recognizes revenue when control of the promised goods or services is transferred to our customers, in an amount that reflects the consideration we expect to be entitled to in exchange for those goods or services. The majority of our contracts have a single performance obligation as the promise to transfer the individual goods or services is not separately identifiable from other promises in the contracts and, therefore, not distinct. Revenue is measured as the amount of consideration we expect to receive in exchange for transferring goods or providing services. Sales, value add, and other taxes we collect concurrent with revenue-producing activities are excluded from revenue.

 

Air Pollution Control Technology

 

Fuel Tech’s APC contracts are typically six to eighteen months in length. A typical contract will have three or four critical operational measurements that, when achieved, serve as the basis for us to invoice the customer via progress billings. At a minimum, these measurements will include the generation of engineering drawings, the shipment of equipment and the completion of a system performance test.

 

As part of most of its contractual APC project agreements, Fuel Tech will agree to customer-specific acceptance criteria that relate to the operational performance of the system that is being sold. These criteria are determined based on modeling that is performed by Fuel Tech personnel, which is based on operational inputs that are provided by the customer. The customer will warrant that these operational inputs are accurate as they are specified in the binding contractual agreement. Further, the customer is solely responsible for the accuracy of the operating condition information; typically all performance guarantees and equipment warranties granted by us are voidable if the operating condition information is inaccurate or is not met.

 

Since control transfers over time, revenue is recognized based on the extent of progress towards completion of the single performance obligation. Fuel Tech uses the cost-to-cost input measure of progress for our contracts since it best depicts the transfer of assets to the customer which occurs as we incur costs on our contracts. Under the cost-to-cost input measure of progress, the extent of progress towards completion is measured based on the ratio of costs incurred to date to the total estimated costs at completion of the performance obligation. Revenues are recorded proportionally as costs are incurred. Costs to fulfill include all internal and external engineering costs, equipment charges, inbound and outbound freight expenses, internal and site transfer costs, installation charges, purchasing and receiving costs, inspection costs, warehousing costs, project personnel travel expenses and other direct and indirect expenses specifically identified as project- or product-line related, as appropriate (e.g. test equipment depreciation and certain insurance expenses).

 

Fuel Tech’s APC product line also includes ancillary revenue for post contractual goods and services. Revenue associated with these activities are recognized at point in time when delivery of goods or completion of the service obligation is performed.

 

Fuel Tech normally provides performance guarantees to our customers based on the operating conditions for the project. As part of the project implementation process, we perform system start-up and optimization services that effectively serve as a test of actual project performance. We believe that this test, combined with the accuracy of the modeling that is performed, enables revenue to be recognized prior to the receipt of formal customer acceptance.

 

FUEL CHEM

 

Revenues from the sale of chemical products are recognized when control transfers to customer upon shipment or delivery of the product based on the applicable shipping terms. We generally recognize revenue for these arrangements at a point in time based on our evaluation of when the customer obtains control of the promised goods or services. 

 

On occasion, Fuel Tech will engineer and sell its chemical pumping equipment.  These projects are similar in nature to the APC projects described above and for those projects where control transfers over time, revenue is recognized based on the extent of progress towards completion of the single performance obligation. 

 

For projects containing multiple performance obligations, the Company allocates the transaction price based on the estimated standalone selling price. The Company must develop assumptions that require judgment to determine the stand-alone selling price for each performance obligation identified in the contract. The Company utilizes key assumptions to determine the stand-alone selling price, which may include other comparable transactions, pricing considered in negotiating the transaction and the estimated costs. Variable consideration is allocated specifically to one or more performance obligations in a contract when the terms of the variable consideration relate to the satisfaction of the performance obligation and the resulting amounts allocated are consistent with the amounts the Company would expect to receive for the satisfaction of each performance obligation.

 

The consideration allocated to each performance obligation is recognized as revenue when control is transferred for the related goods or services. For performance obligations which consist of licenses and other promises, the Company utilizes judgment to assess the nature of the combined performance obligation to determine whether the combined performance obligation is satisfied over time or at a point in time and, if over time, the appropriate method of measuring progress. The Company evaluates the measure of progress each reporting period and, if necessary, adjusts the measure of performance and related revenue recognition.

 

The Company receives payments from its customers based on billing schedules established in each contract. Up-front payments and fees are recorded as deferred revenue upon receipt or when due until the Company performs its obligations under these arrangements. Amounts are recorded as accounts receivable when the Company’s right to consideration is unconditional.
Cost of Goods and Service [Policy Text Block]

Cost of Sales

 

Cost of sales includes all internal and external engineering costs, equipment and chemical charges, inbound and outbound freight expenses, internal and site transfer costs, installation charges, purchasing and receiving costs, inspection costs, warehousing costs, project personnel travel expenses and other direct and indirect expenses specifically identified as project- or product line-related, as appropriate (e.g., test equipment depreciation and certain insurance expenses). Certain depreciation and amortization expenses related to tangible and intangible assets, respectively, are allocated to cost of sales. We classify shipping and handling costs in cost of sales in the consolidated statements of operations.
Selling, General and Administrative Expenses, Policy [Policy Text Block]

Selling, General and Administrative Expenses

 

Selling, general and administrative expenses primarily include the following categories except where an allocation to the cost of sales line item is warranted due to the project- or product-line nature of a portion of the expense category: salaries and wages, employee benefits, non-project travel, insurance, legal, rent, accounting and auditing, recruiting, telephony, employee training, Board of Directors’ fees, auto rental, office supplies, dues and subscriptions, utilities, real estate taxes, commissions and bonuses, marketing materials, postage and business taxes. Departments comprising the selling, general and administrative line item primarily include the functions of executive management, finance and accounting, investor relations, regulatory affairs, marketing, business development, information technology, human resources, sales, legal and general administration.
Income Tax, Policy [Policy Text Block]

Income Taxes

 

The provision for income taxes is determined using the asset and liability approach of accounting for income taxes. Under this approach, the provision for income taxes represents income taxes paid or payable (or received or receivable) for the current year plus the change in deferred taxes during the year. Deferred taxes represent the future tax consequences expected to occur when the reported amounts of assets and liabilities are recovered or paid, and result from differences between the financial and tax bases of our assets and liabilities and are adjusted for changes in tax rates and tax laws when enacted. Valuation allowances are recorded to reduce deferred tax assets when it is more likely than not that a tax benefit will not be realized. In evaluating the need for a valuation allowance, management considers all potential sources of taxable income, including income available in carryback periods, future reversals of taxable temporary differences, projections of taxable income, and income from tax planning strategies, as well as all available positive and negative evidence. Positive evidence includes factors such as a history of profitable operations, projections of future profitability within the carryforward period, including from tax planning strategies, and our experience with similar operations. Negative evidence includes items such as cumulative losses, projections of future losses, or carryforward periods that are not long enough to allow for the utilization of a deferred tax asset based on existing projections of income. Deferred tax assets for which no valuation allowance is recorded may not be realized upon changes in facts and circumstances.

 

Tax benefits related to uncertain tax positions taken or expected to be taken on a tax return are recorded when such benefits meet a more likely than not threshold. Otherwise, these tax benefits are recorded when a tax position has been effectively settled, which means that the statute of limitation has expired or the appropriate taxing authority has completed their examination even though the statute of limitations remains open. Interest and penalties related to uncertain tax positions are recognized as part of the provision for income taxes and are accrued beginning in the period that such interest and penalties would be applicable under relevant tax law until such time that the related tax benefits are recognized.
Lessee, Leases [Policy Text Block]

Leases

 

The Company applies the provisions of ASC 842, Leases. The Company determines if an arrangement is a lease at inception by evaluating whether the arrangement conveys the right to use an identified asset and whether the Company obtains substantially all of the economic benefits from and has the ability to direct the use of the asset. Right-of-use (ROU) assets and lease liabilities are recognized at the lease commencement date based on the present value of the future minimum lease payments over the lease term. Operating ROU assets also include the impact of any lease incentives. Operating leases are included in right-of-use operating lease assets, operating lease liabilities - current, and operating lease liabilities - non-current on our Consolidated Balance Sheets.

 

Operating lease ROU assets and operating lease liabilities are recognized based on the present value of the future minimum lease payments over the lease term at commencement date. As most of our leases do not provide an implicit rate, we use our incremental borrowing rate based on the information available at commencement date in determining the present value of future payments. The operating lease ROU asset also includes any lease payments made and excludes lease incentives and initial direct costs incurred. Our lease terms may include options to extend or terminate the lease when it is reasonably certain that we will exercise that option. Lease expense for minimum lease payments is recognized on a straight-line basis over the lease term.

 

We have lease agreements with lease and non-lease components, and we elected the practical expedient to not separate lease and non-lease components for the majority of our leases. For certain equipment leases, such as vehicles, we account for the lease and non-lease components as a single lease component. We also elected the practical expedient for leases with an initial term of 12 months or less.
Share-Based Payment Arrangement [Policy Text Block]

Stock-Based Compensation

 

Our stock-based employee compensation plan, referred to as the Fuel Tech, Inc. 2014 Long-Term Incentive Plan (Incentive Plan), was adopted in May 2014 and allows for awards to be granted to participants in the form of non-qualified stock options, incentive stock options, stock appreciation rights, restricted stock, restricted stock units, performance awards, and bonuses or other forms of share-based or non-share-based awards or combinations thereof. Participants in the Incentive Plan may be our directors, officers, employees, consultants or advisors (except consultants or advisors in capital-raising transactions) as the directors determine are key to the success of our business. There are a maximum of 5,884,076 shares that may be issued or reserved for awards to participants under the Incentive Plan as of December 31, 2023. Based on the existing issued or reserved awards in Incentive Plan, there are 645,650 shares available to be used for future awards to participants in the Incentive Plan as of December 31, 2023.
Pension and Other Postretirement Plans, Nonpension Benefits, Policy [Policy Text Block]

Defined Contribution Plan

 

We have a retirement savings plan available for all our U.S. employees who have met minimum length-of-service requirements. Our contributions are determined based upon amounts contributed by the employees with additional contributions made at the discretion of the Board of Directors. Costs related to this plan were $233 and $200 in 2023 and 2022, respectively.
Earnings Per Share, Policy [Policy Text Block]

Basic and Diluted Earnings per Common Share

 

Basic earnings per share excludes the antidilutive effects of stock options, restricted stock units (RSUs), warrants, and the nil coupon non-redeemable convertible unsecured loan notes (see Note 6). Diluted earnings per share includes the dilutive effect of the nil coupon non-redeemable convertible unsecured loan notes, RSUs, warrants, and unexercised in-the-money stock options, except in periods of net loss where the effect of these instruments is antidilutive. Out-of-the-money stock options and warrants are excluded from diluted earnings per share because they are unlikely to be exercised and would be anti-dilutive if they were exercised. At December 31, 2023 and 2022, basic earnings per share is equal to diluted earnings per share because all outstanding stock awards, warrants, and convertible loan notes are considered anti-dilutive during periods of net loss. At December 31, 2023 and 2022, we had weighted-average outstanding equity awards of 390,900 and 763,800, respectively, and 2,850,000 warrants in both periods, which were antidilutive or represent out-of-the-money options for the purpose of calculation of the diluted earnings per share. As of December 31, 2023 and 2022, 246,500 and 42,600 incremental equity awards were antidilutive because of the net loss in the year then ended, respectively. These equity awards could potentially dilute basic EPS in future years.

 

The table below sets forth the weighted-average shares used at December 31 in calculating earnings (loss) per share:

 

  

2023

  

2022

 

Basic weighted-average shares

  30,348,000   30,289,000 

Conversion of unsecured loan notes

  —   — 

Unexercised options and unvested restricted stock units

  —   — 

Diluted weighted-average shares

  30,348,000   30,289,000 

 
Concentration Risk, Credit Risk, Policy [Policy Text Block]

Risk Concentrations

 

Financial instruments that potentially subject the Company to a significant concentration of credit risk consist primarily of cash and cash equivalents and accounts receivable. The Company maintains deposits in federally insured financial institutions in excess of federally insured limits. However, management believes the Company is not exposed to significant credit risk due to the financial position of its primary depository institution where a significant portion of its deposits are held.

 

For the year ended December 31, 2023, we had two customers which individually represented greater than 10% of revenues. These two customers contributed revenues to the FUEL CHEM technology segment. In total these two customers represented 36% of consolidated revenues. We had no customer that accounted for greater than 10% of our current assets as of December 31, 2023.

 

For the year ended December 31, 2022, we had three customers which individually represented greater than 10% of revenues. Two customers primarily contributed revenues to the FUEL CHEM technology segment and one contributed revenue to the APC technology segment. In total these three customers represented 48% of consolidated revenues. We had no customer that accounted for greater than 10% of our current assets as of December 31, 2022.

 

We control credit risk through requiring milestone payments on long-term contracts, performing ongoing credit evaluations of its customers, and in some cases obtaining security for payment through bank guarantees and letters of credit.

 

Our FUEL CHEM technology segment is dependent, in part, upon a supply of magnesium hydroxide. Any adverse changes in the availability of this chemical will likely have an adverse impact on ongoing operation of our FUEL CHEM programs. Our supplier of magnesium hydroxide, Martin Marietta Magnesia Specialties, LLC (MMMS) assures the continuance of a stable supply from MMMS of magnesium hydroxide products for our requirements in the U.S. and Canada. MMMS supplies us with magnesium hydroxide products manufactured pursuant to our specifications and we have agreed to purchase from MMMS, and MMMS has agreed to supply, 100% of our requirements for such magnesium hydroxide products for our customers who purchase such products for delivery in the U.S. and Canada. There can be no assurance that we will be able to obtain a stable source of magnesium hydroxide in markets outside the U.S.
Stockholders' Equity, Policy [Policy Text Block]

Treasury Stock

 

We use the cost method to account for common stock repurchases. During the years ended December 31, 2023 and 2022, we withheld 0 and 12,497 shares of our common stock, valued at approximately $0 and $17, respectively, to settle personal tax withholding obligations that arose as a result of restricted stock units that vested. Refer to Note 5, “Treasury Stock,” for further discussion.
New Accounting Pronouncements, Policy [Policy Text Block]

Recently Issued Accounting Pronouncements

 

 

In November 2023, the FASB issued ASU 2023- 07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures, which provides guidance for additional disclosures around segment reporting. The standard will become effective for annual periods beginning on January 1, 2024 for Fuel Tech and for interim periods thereafter. Application of the amendments is retrospective. The Company is reviewing the impact of this new pronouncement and expects to incorporate the additional disclosures in the Segment note when the ASU is adopted. 

 

 

In December 2023, the FASB issued ASU 2023- 09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which provides guidance for additional disclosures around the tax rate reconciliation and other tax disclosures. The standard will become effective for annual periods beginning on January 1, 2025 for Fuel Tech. Application of the amendments should be applied prospectively but retrospective application is permitted. The Company is reviewing the impact of this new pronouncement and expects to incorporate the additional disclosures in the Tax note when the ASU is adopted.
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Note 1 - Organization and Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2023
Notes Tables  
Schedule of Cash and Cash Equivalents [Table Text Block]
  

December 31, 2023

  

December 31, 2022

 

Cash

 $12,495  $12,560 

Cash equivalents

  5,083   10,768 

Total cash and cash equivalents shown in the Consolidated Statements of Cash Flows

 $17,578  $23,328 
Debt Securities, Held-to-Maturity [Table Text Block]
  

December 31,

 
  

2023

  

2022

 

Held-to-maturity debt securities:

        

Amortized cost

 $15,800  $9,341 

Gross unrecognized gains

  —   — 

Gross unrecognized losses

  (86)  (168)

Fair value

 $15,714  $9,173 
Investments Classified by Contractual Maturity Date [Table Text Block]
  

Amortized Cost

  

Fair Value

 

Within one year

 $12,136  $12,056 

After one year through two years

  3,664   3,658 

Total

 $15,800  $15,714 
Financing Receivable, Allowance for Credit Loss [Table Text Block]

Year

 Balance at January 1  

Provision charged to expense

  

Write-offs / Recoveries

  

Balance at December 31

 

2022

 $223  $(19) $(94) $110 

2023

 $110  $24  $(23) $111 
Schedule of Excess and Obsolete Inventory Reserve [Table Text Block]

Year

 Balance at January 1  

Provision charged to expense

  

Write-offs / Recoveries

  

Balance at December 31

 

2022

 $927  $—  $—  $927 

2023

 $927  $(56) $(258) $613 
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
  

December 31,

 
  

2023

  

2022

 

Foreign currency translation

        

Balance at beginning of period

 $(1,728) $(1,604)

Other comprehensive loss:

        

Foreign currency translation adjustments (1)

  (20)  (124)

Balance at end of period

 $(1,748) $(1,728)

Total accumulated other comprehensive loss

 $(1,748) $(1,728)
Schedule of Finite-Lived Intangible Assets [Table Text Block]
      

2023

  

2022

 

Description of Other Intangibles

 

Amortization Period (years)

  

Gross Carrying Amount

  

Accumulated Amortization

  

Net Carrying Amount

  

Gross Carrying Amount

  

Accumulated Amortization

  

Net Carrying Amount

 

Patent assets

  1 - 20   826   (468)  358   803   (406)  397 

Total

     $826  $(468) $358  $803  $(406) $397 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Year

 Estimated Amortization Expense 

2024

 $54 

2025

  33 

2026

  32 

2027

  32 

2028

  32 

Thereafter

  175 

Total

 $358 
Property, Plant and Equipment [Table Text Block]

Description of Property and Equipment

 Depreciable Life (years)  

2023

  

2022

 

Land

     $1,050  $1,050 

Building

  39   3,950   3,950 

Building and leasehold improvements

  3 - 39   2,655   2,626 

Field equipment

  3 - 4   12,100   11,882 

Computer equipment and software

  2 - 3   2,049   2,117 

Furniture and fixtures

  3 - 10   1,307   1,306 

Vehicles

  5   32   32 

Construction in process

      99   29 

Total cost

      23,242   22,992 

Less accumulated depreciation

      (18,703)  (18,557)

Total net book value

     $4,539  $4,435 
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
  

2023

  

2022

 

Basic weighted-average shares

  30,348,000   30,289,000 

Conversion of unsecured loan notes

  —   — 

Unexercised options and unvested restricted stock units

  —   — 

Diluted weighted-average shares

  30,348,000   30,289,000 
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Note 2 - Revenue Recognition (Tables)
 12 Months Ended
Dec. 31, 2023
Notes Tables  
Disaggregation of Revenue [Table Text Block]
  

Twelve Months Ended December 31,

 
  

2023

  

2022

 

Air Pollution Control

        

Technology solutions

 $9,497  $7,935 

Spare parts

  2,239   911 

Ancillary revenue

  1,747   1,751 

Total Air Pollution Control technology

  13,483   10,597 

FUEL CHEM

        

FUEL CHEM technology solutions

  13,598   16,344 

Total Revenues

 $27,081  $26,941 
Revenue from External Customers by Geographic Areas [Table Text Block]
  

Twelve Months Ended December 31,

 
  

2023

  

2022

 

United States

 $21,062  $20,311 

Foreign Revenues

        

Americas

  577   213 

Europe

  3,064   2,888 

Asia

  2,378   3,529 

Total Foreign Revenues

  6,019   6,630 

Total Revenues

 $27,081  $26,941 
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]
  

Twelve Months Ended December 31,

 
  

2023

  

2022

 

Products transferred at a point in time

 $17,584  $18,849 

Products and services transferred over time

  9,497   8,092 

Total Revenues

 $27,081  $26,941 
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
  

As of

 
  

December 31, 2023

  

December 31, 2022

 

Trade receivables

 $4,300  $4,605 

Unbilled receivables

  2,285   3,082 

Other short-term receivables

  255   152 

Allowance for credit losses

  (111)  (110)

Total accounts receivable

 $6,729  $7,729 
XML 38 R26.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 3 - Income Taxes (Tables)
 12 Months Ended
Dec. 31, 2023
Notes Tables  
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

Origin of (loss) income before taxes

 

2023

  

2022

 

United States

 $(1,772) $(1,262)

Foreign

  303   (126)

Loss before income taxes

 $(1,469) $(1,388)
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
  

2023

  

2022

 

Current:

        

Federal

 $—  $— 

State

  (19)  (6)

Foreign

  (55)  (10)

Total current

  (74)  (16)

Deferred:

        

Federal

  2   (19)

State

  3   (19)

Total deferred

  5   (38)

Income tax expense

 $(69) $(54)
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
  

2023

  

2022

 

Provision at the U.S. federal statutory rate

  21.0%  21.0%

State taxes, net of federal benefit

  4.7%  3.1%

Foreign tax rate differential

  (0.6)%  0.4%

Valuation allowance

  (4.9)%  (48.8)%

Chile outside basis differential

  —%  0.4%

Italy IRES/IREP

  (3.8)%  —%

Accrual to return

  (5.8)%  3.1%

Research and development credit

  5.4%  5.9%

State rate change

  (1.4)%  9.5%

Share based compensation

  (6.7)%  3.3%

Other Deferred true up

  (6.6)%  —%

Global Intangible Low-Taxed Income (GILTI) inclusion

  (4.4)%  —%

Other

  (1.7)%  (1.8)%

Income tax (expense) benefit effective rate

  (4.8)%  (3.9)%
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
  

2023

  

2022

 

Deferred tax assets:

        

Stock compensation expense

 $250  $272 

Goodwill

  —   182 

Royalty accruals

  10   10 

Bad debt allowance

  52   53 

Net operating loss carryforwards

  12,048   12,158 

Credit carry-forwards

  1,134   1,058 

Inventory reserve

  153   233 

Depreciation

  548   585 

Research and Development Costs

  1,053   528 

Other

  606   471 

Total deferred tax assets

  15,854   15,550 

Deferred tax liabilities:

        

Goodwill

  (238)  — 

Intangible assets

  (89)  (100)

Total deferred tax liabilities

  (327)  (100)

Net deferred tax asset before valuation allowance

  15,527   15,450 

Valuation allowances for deferred tax assets

  (15,699)  (15,627)

Net deferred tax liability

 $(172) $(177)
Summary of Valuation Allowance [Table Text Block]

Year

 Balance at January 1  

Charged to costs and expenses

  (Deductions)/Other  

Balance at December 31

 

2022

 $14,950   677   —  $15,627 

2023

 $15,627   72   —  $15,699 
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

Year

 

Balance at January 1

  

Change in positions taken in a current period

  

Balance at December 31

 

2022

 $265   28  $293 

2023

 $293   33  $326 
XML 39 R27.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 7 - Warrants (Tables)
 12 Months Ended
Dec. 31, 2023
Notes Tables  
Schedule of Warrant Activity [Table Text Block]
  

Shares

 

Outstanding as of December 31, 2022

  2,850,000 

Granted

  — 

Exercised

  — 

Outstanding as of December 31, 2023

  2,850,000 
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
    

Number

  

Weighted-Average

     
    

Outstanding/

  

Remaining Life

  

Weighted-Average

 

Range of Exercise Price

  

Exercisable

  

in Years

  

Exercise Price

 
$5.10   2,500,000   2.62  $5.10 
$6.45   350,000   2.62  $6.45 
     2,850,000         
XML 40 R28.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 8 - Stock-based Compensation (Tables)
 12 Months Ended
Dec. 31, 2023
Notes Tables  
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
  

For the Year Ended December 31,

 
  

2023

  

2022

 

Stock options and restricted stock units, net of forfeitures

 $389  $224 

After-tax effect of stock based compensation

 $389  $224 
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
  

2023

  

2022

 
  

Number of Options

  Weighted-Average Exercise Price  

Number of Options

  Weighted-Average Exercise Price 

Outstanding at beginning of year

  384,500  $2.98   434,500  $3.05 

Granted

  —   —   —   — 

Exercised

  (44,000)  0.96   —   — 

Expired or forfeited

  (70,000)  3.85   (50,000)  3.55 

Outstanding at end of year

  270,500  $3.09   384,500  $2.98 

Exercisable at end of year

  270,500  $3.09   384,500  $2.98 

Weighted-Average Remaining Contractual Life (years)

      1.56       2.43 

Aggregate Intrinsic Value

     $4      $27 
Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block]

Options Outstanding and Exercisable

 

Range of Exercise Prices

 Number of Options  Weighted-Average Remaining Contractual Life (years)  Weighted-Average Exercise Price 

$0.96 - $1.27

  44,000   3.9  $0.97 

$1.28 - $2.01

  27,000   2.4   1.58 

$2.02 - $3.83

  105,000   1.4   2.44 

$3.84 - $5.22

  94,500   0.4   5.22 
   270,500   1.6  $3.09 
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
  

Shares

  Weighted Average Grant Date Fair Value 

Unvested restricted stock units at December 31, 2021

  45,003  $1.51 

Granted

  807,048   1.32 

Forfeited

  (40,000)  1.32 

Vested

  (45,003)  1.51 

Unvested restricted stock units at December 31, 2022

  767,048   1.32 

Granted

  1,040,200   1.26 

Forfeited

  —   — 

Vested

  (45,000)  1.37 

Unvested restricted stock units at December 31, 2023

  1,762,248  $1.29 
XML 41 R29.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 10 - Leases (Tables)
 12 Months Ended
Dec. 31, 2023
Notes Tables  
Lease, Cost [Table Text Block]
   2023   2022 

Operating lease cost

 $188  $176 

Short-term lease cost

  15   29 

Total lease cost

 $203  $205 
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]

Year Ending December 31,

 

Operating Leases

 

2024

 $133 

2025

  113 

2026

  103 

2027

  106 

2028

  110 

Thereafter

  258 

Total lease payments

 $823 

Less imputed interest

  (209)

Total

 $614 
Operating Lease Liabilities [Table Text Block]
  

2023

  

2022

 

Operating lease liabilities - current

 $81  $125 

Operating lease liabilities - non-current

  533   66 

Total operating lease liabilities

 $614  $191 
Lessee, Operating Leases, Supplemental Cash Flow Information [Table Text Block]
  For the Twelve Months ended December 31, 2023  For the twelve months ended December 31, 2022 

Cash paid for amounts included in the measurement of lease liabilities

 $150  $157 

Leased assets obtained in exchange for operating lease liabilities

  533   139 
XML 42 R30.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 12 - Business Segment and Geographic Financial Data (Tables)
 12 Months Ended
Dec. 31, 2023
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]

For the year ended December 31, 2023

 

Air Pollution Control Segment

  

FUEL CHEM Segment

  

Other

  

Total

 

Revenues from external customers

 $13,483  $13,598  $—  $27,081 

Cost of sales

  (8,410)  (7,015)  —   (15,425)

Gross margin

  5,073   6,583   —   11,656 

Selling, general and administrative

  —   —   (12,803)  (12,803)

Research and development

  —   —   (1,511)  (1,511)

Operating income (loss) from continuing operations

 $5,073  $6,583  $(14,314) $(2,658)

For the year ended December 31, 2022

Air Pollution Control Segment

 

FUEL CHEM Segment

 

Other

 

Total

 

Revenues from external customers

$10,597 $16,344 $— $26,941 

Cost of sales

 (6,924) (8,374) —  (15,298)

Gross margin

 3,673  7,970  —  11,643 

Selling, general and administrative

 —  —  (12,275) (12,275)

Research and development

 —  —  (895) (895)

Operating income (loss) from continuing operations

$3,673 $7,970 $(13,170)$(1,527)
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

For the years ended December 31,

 

2023

  

2022

 

Revenues:

        

United States

 $21,062  $20,311 

Foreign

  6,019   6,630 
  $27,081  $26,941 

As of December 31,

 

2023

  

2022

 

Assets:

        

United States

 $46,487  $47,007 

Foreign

  3,901   3,117 
  $50,388  $50,124 
XML 43 R31.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 13 - Restructuring Activities (Tables)
 12 Months Ended
Dec. 31, 2023
Notes Tables  
Restructuring and Related Costs [Table Text Block]
  

2023

  

2022

 

Total revenues

 $2  $3 

Net loss

  (50)  (209)
  

2023

  

2022

 

Total assets

 $846  $929 

Total liabilities

  67   79 

Total net assets

 $779  $850 
XML 44 R32.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 14 - Accrued Liabilities (Tables)
 12 Months Ended
Dec. 31, 2023
Notes Tables  
Other Current Liabilities [Table Text Block]
  

As of

 
  

December 31, 2023

  

December 31, 2022

 

Contract liabilities (Note 2)

 $1,279  $372 

Warranty reserve (Note 9)

  159   159 

Deferred revenue

  103   75 

Accrued professional fees

  101   — 

Other accrued liabilities

  292   220 

Total other accrued liabilities

 $1,934  $826 
XML 45 R33.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 1 - Organization and Significant Accounting Policies (Details Textual)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
USD ($)
shares
Dec. 31, 2022
USD ($)
shares
Jun. 30, 2022
USD ($)
Dec. 31, 2021
shares
Cash $ 12,495 $ 12,560    
Investment Plan, Maximum Amount. Approved     $ 10,000  
Investment Plan, Maximum Additional Amount, Approved   10,000    
Unbilled Contracts Receivable 2,285 3,082    
Inventory, Net $ 439 392    
Number of Reporting Units 2      
Goodwill $ 2,116 2,116    
Goodwill, Impairment Loss 0 0    
Amortization of Intangible Assets 61 88    
Depreciation 281 352    
Defined Contribution Plan, Cost $ 233 $ 200    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares) | shares 270,500 384,500   434,500
Class of Warrant or Right, Outstanding (in shares) | shares 2,850,000 2,850,000    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | shares 246,500 42,600    
Treasury Stock, Shares, Acquired (in shares) | shares 0 12,497    
Treasury Stock, Value, Acquired, Cost Method $ 0 $ 17    
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Two Customers [Member]        
Number of Major Customers 2      
Concentration Risk, Percentage 36.00%      
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Three Customers [Member]        
Number of Major Customers   3    
Concentration Risk, Percentage   48.00%    
Antidilutive [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares) | shares 390,900 763,800    
Class of Warrant or Right, Outstanding (in shares) | shares 2,850,000      
The 2014 Long-term Incentive Plan [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) | shares 5,884,076      
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares) | shares 645,650      
Capitalized Third-party Costs [Member]        
Finite-Lived Patents, Gross $ 28 $ 37    
FUEL CHEM Technology Segment [Member]        
Goodwill $ 2,116 $ 2,116    
FUEL CHEM Technology Segment [Member] | Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Two Customers [Member]        
Number of Major Customers 2      
APC Technology [Member] | Revenue Benchmark [Member] | Customer Concentration Risk [Member] | One Customer [Member]        
Number of Major Customers   1    
Equipment Contstructed for Resale [Member]        
Inventory, Net $ 207 $ 207    
Spare Parts [Member]        
Inventory, Net 232 185    
In Process Equipment [Member]        
Inventory, Net $ 618 634    
Minimum [Member]        
Debt Securities, Held-to-maturity, Maturity Term (Month) 3 months      
Standard Product Warranty Period (Year) 1 year      
Minimum [Member] | APC Technology [Member]        
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period (Month) 6 months      
Maximum [Member]        
Debt Securities, Held-to-maturity, Maturity Term (Month) 36 months      
Standard Product Warranty Period (Year) 2 years      
Maximum [Member] | APC Technology [Member]        
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period (Month) 18 months      
Asset Pledged as Collateral [Member] | Letter of Credit [Member]        
Restricted Cash and Investments $ 1,356      
Asset Pledged as Collateral [Member] | Letter of Credit [Member] | Varying Maturity Dates Expiring No Later Than September 30, 2024 [Member]        
Restricted Cash and Investments 904      
Non-US [Member]        
Revenues $ 6,019 $ 6,630    
Percentage of Revenue 22.00% 25.00%    
CHINA        
Cash $ 601      
ITALY        
Cash 821      
CHILE        
Cash $ 200      
XML 46 R34.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 1 - Organization and Significant Accounting Policies - Reconciliation of Cash, Cash Equivalents, and Restricted Cash (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Cash $ 12,495 $ 12,560
Cash equivalents 5,083 10,768
Total cash and cash equivalents shown in the Consolidated Statements of Cash Flows $ 17,578 $ 23,328
XML 47 R35.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 1 - Organization and Significant Accounting Policies - Amortized Cost to Fair Value of HTM Debt Securities (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Amortized cost $ 15,800 $ 9,341
Gross unrecognized gains 0 0
Gross unrecognized losses (86) (168)
Fair value $ 15,714 $ 9,173
XML 48 R36.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 1 - Organization and Significant Accounting Policies - Debt Securities by Maturity (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Within one year, amortized cost $ 12,136  
Within one year, fair value 12,056  
After one year through two years, amortized cost 3,664  
After one year through two years, fair value 3,658  
Amortized cost 15,800 $ 9,341
Fair value $ 15,714 $ 9,173
XML 49 R37.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 1 - Organization and Significant Accounting Policies - Allowance for Doubtful Accounts (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Balance at January 1 $ 110 $ 223
Provision charged to expense 24 (19)
Write-offs / Recoveries (23) (94)
Balance at December 31 $ 111 $ 110
XML 50 R38.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 1 - Organization and Significant Accounting Policies - Excess and Obsolete Inventory Reserve (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Excess and obsolete inventory reserve, beginning balance $ 927 $ 927
Provision charged to expense (56) 0
Write-offs / Recoveries (258) 0
Excess and obsolete inventory reserve, ending balance $ 613 $ 927
XML 51 R39.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 1 - Organization and Significant Accounting Policies - Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Balance $ 44,841 $ 46,200
Balance 43,714 44,841
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]    
Balance (1,728) (1,604)
Foreign currency translation adjustments (1) [1] (20) (124)
Balance $ (1,748) $ (1,728)
[1] In all periods presented, there were no tax impacts related to functional currency translation adjustments.
XML 52 R40.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 1 - Organization and Significant Accounting Policies - Summary of Intangible Asset Activity (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Gross Carrying Amount $ 826 $ 803
Accumulated Amortization (468) (406)
Net Carrying Amount 358 397
Patents [Member]    
Gross Carrying Amount 826 803
Accumulated Amortization (468) (406)
Net Carrying Amount $ 358 $ 397
Patents [Member] | Minimum [Member]    
Amortization Period (Year) 1 year  
Patents [Member] | Maximum [Member]    
Amortization Period (Year) 20 years  
XML 53 R41.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 1 - Organization and Significant Accounting Policies - Estimated Future Amortization Expense (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
2024 $ 54  
2025 33  
2026 32  
2027 32  
2028 32  
Thereafter 175  
Total $ 358 $ 397
XML 54 R42.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 1 - Organization and Significant Accounting Policies - Property and Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Total cost $ 23,242 $ 22,992
Less accumulated depreciation (18,703) (18,557)
Total net book value 4,539 4,435
Land [Member]    
Total cost 1,050 1,050
Building [Member]    
Total cost $ 3,950 3,950
Depreciable Life (Year) 39 years  
Building and Leasehold Improvements [Member]    
Total cost $ 2,655 2,626
Building and Leasehold Improvements [Member] | Minimum [Member]    
Depreciable Life (Year) 3 years  
Building and Leasehold Improvements [Member] | Maximum [Member]    
Depreciable Life (Year) 39 years  
Field Equipment [Member]    
Total cost $ 12,100 11,882
Field Equipment [Member] | Minimum [Member]    
Depreciable Life (Year) 3 years  
Field Equipment [Member] | Maximum [Member]    
Depreciable Life (Year) 4 years  
Computer Equipment and Software [Member]    
Total cost $ 2,049 2,117
Computer Equipment and Software [Member] | Minimum [Member]    
Depreciable Life (Year) 2 years  
Computer Equipment and Software [Member] | Maximum [Member]    
Depreciable Life (Year) 3 years  
Furniture and Fixtures [Member]    
Total cost $ 1,307 1,306
Furniture and Fixtures [Member] | Minimum [Member]    
Depreciable Life (Year) 3 years  
Furniture and Fixtures [Member] | Maximum [Member]    
Depreciable Life (Year) 10 years  
Vehicles [Member]    
Total cost $ 32 32
Depreciable Life (Year) 5 years  
Construction in Progress [Member]    
Total cost $ 99 $ 29
XML 55 R43.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 1 - Organization and Significant Accounting Policies - Summary of Earnings (Loss) Per Share (Details) - shares
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Basic weighted-average shares (in shares) 30,348,000 30,289,000
Conversion of unsecured loan notes (in shares) 0 0
Unexercised options and unvested restricted stock units (in shares) 0 0
Diluted weighted-average shares (in shares) 30,348,000 30,289,000
XML 56 R44.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 2 - Revenue Recognition 1 (Details Textual)
Pure in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Contract with Customer, Liability, Current $ 1,279 $ 372 $ 390
Contract with Customer, Liability, Revenue Recognized $ 368 384  
Contract with Customer, Contracts in Progress, Number of Contracts Identified as Loss Contracts 0    
Revenue, Remaining Performance Obligation, Amount $ 7,458    
Air Pollution Control [Member]      
Contract with Customer, Asset, after Allowance for Credit Loss 2,285 3,082 1,277
FUEL CHEM [Member]      
Contract with Customer, Asset, after Allowance for Credit Loss $ 0 $ 0 $ 0
XML 57 R45.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 2 - Revenue Recognition 2 (Details Textual)
$ in Thousands
Dec. 31, 2023
USD ($)
Revenue, Remaining Performance Obligation, Amount $ 7,458
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01  
Revenue, Remaining Performance Obligation, Amount $ 7,389
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period (Month) 12 months
XML 58 R46.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 2 - Revenue Recognition - Revenues Disaggregated by Product Technology (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Revenues $ 27,081 $ 26,941
Air Pollution Control [Member]    
Revenues 13,483 10,597
Air Pollution Control [Member] | Technology Solutions [Member]    
Revenues 9,497 7,935
Air Pollution Control [Member] | Spare Parts [Member]    
Revenues 2,239 911
Air Pollution Control [Member] | Ancillary Revenue [Member]    
Revenues 1,747 1,751
FUEL CHEM [Member]    
Revenues 13,598 16,344
FUEL CHEM [Member] | Technology Solutions [Member]    
Revenues $ 13,598 $ 16,344
XML 59 R47.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 2 - Revenue Recognition - Revenues Disaggregated by Geography (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Revenues $ 27,081 $ 26,941
UNITED STATES    
Revenues 21,062 20,311
Americas [Member]    
Revenues 577 213
Europe [Member]    
Revenues 3,064 2,888
Asia [Member]    
Revenues 2,378 3,529
Non-US [Member]    
Revenues $ 6,019 $ 6,630
XML 60 R48.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 2 - Revenue Recognition - Timing of Revenue Recognition (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Revenues $ 27,081 $ 26,941
Transferred at Point in Time [Member]    
Revenues 17,584 18,849
Transferred over Time [Member]    
Revenues $ 9,497 $ 8,092
XML 61 R49.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 2 - Revenue Recognition - Components of Accounts Receivable (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Trade receivables $ 4,300 $ 4,605  
Unbilled receivables 2,285 3,082  
Other short-term receivables 255 152  
Allowance for credit losses (111) (110) $ (223)
Total accounts receivable $ 6,729 $ 7,729  
XML 62 R50.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 3 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2018
Stock Issued During Period, Value, Stock Options Exercised $ 42 $ 0  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued 0    
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 326 293  
Fuel Tech S.p.A [Member]      
Deferred Federal Income Tax Expense (Benefit), Net of Adjustment 149 $ 151  
Increase (Decrease) in Deferred Income Taxes (2)    
Deferred Income Tax Expense, Valuation Allowance (149)    
Domestic Tax Authority [Member]      
Operating Loss Carryforwards 27,953   $ 10,733
Foreign Tax Authority [Member] | Ministry of Economic Affairs and Finance, Italy [Member]      
Operating Loss Carryforwards 6,373    
Foreign Tax Authority [Member] | State Administration of Taxation, China [Member]      
Operating Loss Carryforwards $ 13,735    
XML 63 R51.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 3 - Income Taxes - Components of Income (Loss) Domestic and Foreign (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
United States $ (1,772) $ (1,262)
Foreign 303 (126)
Loss before income taxes $ (1,469) $ (1,388)
XML 64 R52.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 3 - Income Taxes - Components of Income Tax Expense (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Current:    
Federal $ 0 $ 0
State (19) (6)
Foreign (55) (10)
Total current (74) (16)
Deferred:    
Federal 2 (19)
State 3 (19)
Total deferred 5 (38)
Income tax expense $ (69) $ (54)
XML 65 R53.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 3 - Income Taxes - Income Tax Rate Reconciliation (Details)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Provision at the U.S. federal statutory rate 21.00% 21.00%
State taxes, net of federal benefit 4.70% 3.10%
Foreign tax rate differential (0.60%) 0.40%
Valuation allowance (4.90%) (48.80%)
Chile outside basis differential 0.00% 0.40%
Italy IRES/IREP (3.80%) 0.00%
Accrual to return (5.80%) 3.10%
Research and development credit 5.40% 5.90%
State rate change (1.40%) 9.50%
Share based compensation (6.70%) 3.30%
Other Deferred true up (6.60%) 0.00%
Global Intangible Low-Taxed Income (GILTI) inclusion (4.40%) 0.00%
Other (1.70%) (1.80%)
Income tax (expense) benefit effective rate (4.80%) (3.90%)
XML 66 R54.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 3 - Income Taxes - Summary of Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Deferred tax assets:      
Stock compensation expense $ 250 $ 272  
Goodwill 0 182  
Royalty accruals 10 10  
Bad debt allowance 52 53  
Net operating loss carryforwards 12,048 12,158  
Credit carry-forwards 1,134 1,058  
Inventory reserve 153 233  
Depreciation 548 585  
Research and Development Costs 1,053 528  
Other 606 471  
Total deferred tax assets 15,854 15,550  
Deferred tax liabilities:      
Goodwill (238) 0  
Intangible assets (89) (100)  
Total deferred tax liabilities (327) (100)  
Net deferred tax asset before valuation allowance 15,527 15,450  
Valuation allowances for deferred tax assets (15,699) (15,627) $ (14,950)
Net deferred tax liability $ (172) $ (177)  
XML 67 R55.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 3 - Income Taxes - Valuation Allowances (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Balance at January 1 $ 15,627 $ 14,950
Charged to costs and expenses 72 677
(Deductions)/Other 0 0
Balance at December 31 $ 15,699 $ 15,627
XML 68 R56.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 3 - Income Taxes - Unrecognized Tax Benefit (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Balance $ 293 $ 265
Change in positions taken in a current period 33 28
Balance $ 326 $ 293
XML 69 R57.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 4 - Common Stock (Details Textual) - shares
Dec. 31, 2023
Dec. 31, 2022
Common Stock, Shares, Issued (in shares) 31,361,303 31,272,303
Common Stock, Shares, Outstanding (in shares) 30,385,297 30,296,297
Reserved For Issuance Upon Exercise Or Vesting Of Equity Awards [Member]    
Common Stock, Capital Shares Reserved for Future Issuance (in shares) 5,600,676  
Reserved For Issuance Upon Exercise Or Vesting Of Equity Awards [Member] | Share-Based Payment Arrangement, Option [Member]    
Common Stock, Capital Shares Reserved for Future Issuance (in shares) 270,500  
NIL Coupon Non-redeemable Convertible Unsecured Loan Notes [Member] | Unsecured Debt [Member]    
Common Stock, Capital Shares Reserved for Future Issuance (in shares) 6,715  
XML 70 R58.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 5 - Treasury Stock (Details Textual) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Treasury Stock, Common, Shares (in shares) 976,006 976,006
Treasury Stock, Common, Value $ 2,251 $ 2,251
XML 71 R59.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 6 - Nil Coupon Non-redeemable Convertible Unsecured Loan Notes (Details Textual)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2023
USD ($)
$ / shares
Dec. 31, 2022
USD ($)
Share Price (in dollars per share) | $ / shares $ 1.05  
Unsecured Debt [Member] | NIL Coupon Non-redeemable Convertible Unsecured Loan Notes [Member]    
Debt Instrument, Face Amount | $ $ 76 $ 0
Debt Instrument, Convertible, Number of Equity Instruments 6,715  
Debt Instrument, Convertible, Carrying Amount of Equity Component | $ $ 7  
Debt Instrument, Interest Rate, Stated Percentage   0.00%
Debt Instrument, Repurchase Amount | $ $ 0 $ 0
Unsecured Debt [Member] | NIL Coupon Non-redeemable Convertible Unsecured Loan Notes [Member] | Minimum [Member]    
Debt Instrument, Convertible, Conversion Price (in dollars per share) | $ / shares $ 6.5  
Unsecured Debt [Member] | NIL Coupon Non-redeemable Convertible Unsecured Loan Notes [Member] | Maximum [Member]    
Debt Instrument, Convertible, Conversion Price (in dollars per share) | $ / shares $ 11.43  
XML 72 R60.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 7 - Warrants (Details Textual) - $ / shares
 12 Months Ended
Feb. 11, 2021
Dec. 31, 2023
Class of Warrant or Right, Number of Warrants Issued (in shares)   0
Warrants Issued in Connection with Private Placement [Member]    
Class of Warrant or Right, Number of Warrants Issued (in shares) 2,500,000  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) 2,500,000  
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) $ 5.1 $ 5.1
Warrants and Rights Outstanding, Term (Year) 5 years 6 months  
The Placement Agent Warrants [Member]    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) 350,000  
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) $ 6.45 $ 6.45
Warrants and Rights Outstanding, Term (Year) 5 years 6 months  
Private Placement [Member]    
Stock Issued During Period, Shares, New Issues (in shares) 5,000,000  
Shares Issued, Price Per Share (in dollars per share) $ 5.1625  
XML 73 R61.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 7 - Warrants - Warrant Activity (Details)
 12 Months Ended
Dec. 31, 2023
shares
Beginning balance (in shares) 2,850,000
Granted (in shares) 0
Exercised (in shares) 0
Ending balance (in shares) 2,850,000
XML 74 R62.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 7 - Warrants - Summary of Warrants Outstanding and Exercisable (Details) - $ / shares
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Feb. 11, 2021
Number outstanding/ exercisable (in shares) 2,850,000 2,850,000  
Warrants Issued in Connection with Private Placement [Member]      
Number outstanding/ exercisable (in shares) 2,500,000    
Weighted average remaining life (Year) 2 years 7 months 13 days    
Weighted average exercise price (in dollars per share) $ 5.1   $ 5.1
The Placement Agent Warrants [Member]      
Number outstanding/ exercisable (in shares) 350,000    
Weighted average remaining life (Year) 2 years 7 months 13 days    
Weighted average exercise price (in dollars per share) $ 6.45   $ 6.45
XML 75 R63.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 8 - Stock-based Compensation (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 0 0
Share Price (in dollars per share) $ 1.05  
Proceeds from Stock Options Exercised $ 42 $ 0
Deferred Compensation Plan for Directors [Member]    
Deferred Compensation Arrangement with Individual, Compensation Expense $ 0 $ 0
Restricted Stock Units (RSUs) [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares) 45,000 45,003
The 2014 Long-term Incentive Plan [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) 5,884,076  
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares) 645,650  
Share-Based Payment Arrangement, Expense, Tax Benefit $ 0 $ 0
The 2014 Long-term Incentive Plan [Member] | Share-Based Payment Arrangement, Option [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year) 10 years  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 0 0
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount $ 0  
The 2014 Long-term Incentive Plan [Member] | Share-Based Payment Arrangement, Option [Member] | Share-Based Payment Arrangement, Tranche One [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 50.00%  
The 2014 Long-term Incentive Plan [Member] | Share-Based Payment Arrangement, Option [Member] | Share-Based Payment Arrangement, Tranche Two [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 25.00%  
The 2014 Long-term Incentive Plan [Member] | Share-Based Payment Arrangement, Option [Member] | Share-Based Payment Arrangement, Tranche Three [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 25.00%  
The 2014 Long-term Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares) 45,000 45,003
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value $ 62 $ 68
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 2,807  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) 1 year 8 months 12 days  
The 2014 Long-term Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member] | Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) 2 years  
The 2014 Long-term Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member] | Maximum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) 4 years  
The 2014 Long-term Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member] | Tranche One, If Look-Back RSUs Awarded [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 33.33%  
The 2014 Long-term Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member] | Tranche Two, If Look-Back RSUs Awarded [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 33.33%  
The 2014 Long-term Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member] | Tranche Three, If Look-Back RSUs Awarded [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 33.33%  
The 2014 Long-term Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member] | Vesting If Total Revenue RSU, New Business Growth RSU, or Operating Income Growth RSU Awarded [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 100.00%  
XML 76 R64.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 8 - Stock-based Compensation - Stock-based Compensation (Details) - Selling, General and Administrative Expenses [Member] - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Stock options and restricted stock units, net of forfeitures $ 389 $ 224
After-tax effect of stock based compensation $ 389 $ 224
XML 77 R65.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 8 - Stock-based Compensation - Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Outstanding at beginning of year, options (in shares) 384,500 434,500
Outstanding at beginning of year, option, weighted average exercise price (in dollars per share) $ 2.98 $ 3.05
Granted, options (in shares) 0 0
Granted, option, weighted average exercise price (in dollars per share) $ 0 $ 0
Exercised, options (in shares) (44,000) 0
Exercised, option, weighted average exercise price (in dollars per share) $ 0.96 $ 0
Expired or forfeited, options (in shares) (70,000) (50,000)
Expired or forfeited, option, weighted average exercise price (in dollars per share) $ 3.85 $ 3.55
Outstanding at end of year, options (in shares) 270,500 384,500
Outstanding at end of year, option, weighted average exercise price (in dollars per share) $ 3.09 $ 2.98
Exercisable, options (in shares) 270,500 384,500
Exercisable, option, weighted average exercise price (in dollars per share) $ 3.09 $ 2.98
Weighted-Average Remaining Contractual Life (years) (Year) 1 year 6 months 21 days 2 years 5 months 4 days
Aggregate Intrinsic Value $ 4 $ 27
XML 78 R66.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 8 - Stock-based Compensation - Summary of Outstanding Stock Options by Exercise Price Range (Details)
 12 Months Ended
Dec. 31, 2023
$ / shares
shares
Number of Options (in shares) | shares 270,500
Weighted- Average Remaining Contractual Life (Year) 1 year 7 months 6 days
Weighted-Average Exercise Price (in dollars per share) $ 3.09
Range One [Member]  
Lower Range Limit (in dollars per share) 0.96
Upper Range Limit (in dollars per share) $ 1.27
Number of Options (in shares) | shares 44,000
Weighted- Average Remaining Contractual Life (Year) 3 years 10 months 24 days
Weighted-Average Exercise Price (in dollars per share) $ 0.97
Range Two [Member]  
Lower Range Limit (in dollars per share) 1.28
Upper Range Limit (in dollars per share) $ 2.01
Number of Options (in shares) | shares 27,000
Weighted- Average Remaining Contractual Life (Year) 2 years 4 months 24 days
Weighted-Average Exercise Price (in dollars per share) $ 1.58
Range Three [Member]  
Lower Range Limit (in dollars per share) 2.02
Upper Range Limit (in dollars per share) $ 3.38
Number of Options (in shares) | shares 105,000
Weighted- Average Remaining Contractual Life (Year) 1 year 4 months 24 days
Weighted-Average Exercise Price (in dollars per share) $ 2.44
Range Four [Member]  
Lower Range Limit (in dollars per share) 3.84
Upper Range Limit (in dollars per share) $ 5.22
Number of Options (in shares) | shares 94,500
Weighted- Average Remaining Contractual Life (Year) 4 months 24 days
Weighted-Average Exercise Price (in dollars per share) $ 5.22
XML 79 R67.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 8 - Stock-based Compensation - Restricted Stock Activity (Details) - Restricted Stock Units (RSUs) [Member] - $ / shares
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Beginning balance, unvested restricted stock units, shares (in shares) 767,048 45,003
Beginning balance, unvested restricted stock units, weighted average grant date fair value (in dollars per share) $ 1.32 $ 1.51
Granted, unvested restricted stock units, shares (in shares) 1,040,200 807,048
Granted, unvested restricted stock units, weighted average grant date fair value (in dollars per share) $ 1.26 $ 1.32
Forfeited, restricted stock units, shares (in shares) 0 (40,000)
Forfeited, restricted stock units, weighted average grant date fair value (in dollars per share) $ 0 $ 1.32
Vested, restricted stock units, shares (in shares) (45,000) (45,003)
Vested, restricted stock units, weighted average grant date fair value (in dollars per share) $ 1.37 $ 1.51
Ending balance, unvested restricted stock units, shares (in shares) 1,762,248 767,048
Ending balance, unvested restricted stock units, weighted average grant date fair value (in dollars per share) $ 1.29 $ 1.32
XML 80 R68.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 9 - Commitments and Contingencies (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Letters of Credit Outstanding, Amount $ 904  
Standard Product Warranty Accrual, Period Increase (Decrease) 0 $ 0
Standard Product Warranty Accrual, Ending Balance 159 $ 159
Performance Guarantees [Member]    
Debt Instrument, Face Amount 0  
Standby Letters of Credit [Member] | Cash Collateral Security Agreement [Member]    
Letters of Credit Outstanding, Amount $ 904  
XML 81 R69.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 10 - Leases (Details Textual)
Dec. 31, 2023
ft²
Additional Number of Leases 3
Operating Lease, Weighted Average Remaining Lease Term (Year) 6 years 6 months 29 days
Operating Lease, Weighted Average Discount Rate, Percent 8.00%
Minimum [Member]  
Lessee, Operating Lease, Remaining Lease Term (Year) 6 months
Maximum [Member]  
Lessee, Operating Lease, Remaining Lease Term (Year) 7 years 3 months 18 days
Office Building [Member] | Gallarate Italy [Member]  
Area of Real Estate Property (Square Foot) 1,335
Office Building [Member] | Aurora Illinois [Member]]  
Area of Real Estate Property (Square Foot) 11,000
Office Building [Member] | Overland Park [Member]  
Area of Real Estate Property (Square Foot) 600
XML 82 R70.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 10 - Leases - Operating Lease Expense (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Operating lease cost $ 188 $ 176
Short-term lease cost 15 29
Total lease cost $ 203 $ 205
XML 83 R71.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 10 - Leases - Remaining Maturities of Existing Lease Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
2024 $ 133  
2025 113  
2026 103  
2027 106  
2028 110  
Thereafter 258  
Total lease payments 823  
Less imputed interest (209)  
Total $ 614 $ 191
XML 84 R72.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 10 - Leases - Lease Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Operating lease liabilities - current $ 81 $ 125
Operating lease liabilities - non-current 533 66
Total operating lease liabilities $ 614 $ 191
XML 85 R73.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 10 - Leases - Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Cash paid for amounts included in the measurement of lease liabilities $ 150 $ 157
Leased assets obtained in exchange for operating lease liabilities $ 533 $ 139
XML 86 R74.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 11 - Debt Financing (Details Textual) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2023
Percentage of Face Amount of Letters of Credit As Collateral 150.00%  
Payment, Basis Points on Face Value of Letters of Credit 2.50%  
Letters of Credit Outstanding, Amount   $ 904
Asset Pledged as Collateral [Member]    
Investments   $ 1,356
XML 87 R75.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 12 - Business Segment and Geographic Financial Data (Details Textual)
 12 Months Ended
Dec. 31, 2023
Number of Reportable Segments 2
XML 88 R76.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 12 - Business Segment and Geographic Financial Data - Reporting Segment Net Sales and Gross Margin (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Revenues from external customers $ 27,081 $ 26,941
Cost of sales (15,425) (15,298)
Gross margin 11,656 11,643
Selling, general and administrative (12,803) (12,275)
Research and development (1,511) (895)
Operating income (loss) from continuing operations (2,658) (1,527)
Air Pollution Control [Member]    
Revenues from external customers 13,483 10,597
Cost of sales (8,410) (6,924)
Gross margin 5,073 3,673
Selling, general and administrative 0 0
Research and development 0 0
Operating income (loss) from continuing operations 5,073 3,673
FUEL CHEM [Member]    
Revenues from external customers 13,598 16,344
Cost of sales (7,015) (8,374)
Gross margin 6,583 7,970
Selling, general and administrative 0 0
Research and development 0 0
Operating income (loss) from continuing operations 6,583 7,970
Other Segments [Member]    
Revenues from external customers 0 0
Cost of sales 0 0
Gross margin 0 0
Selling, general and administrative (12,803) (12,275)
Research and development (1,511) (895)
Operating income (loss) from continuing operations $ (14,314) $ (13,170)
XML 89 R77.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 12 - Business Segment and Geographic Financial Data - Geographic Segment Financial Data (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Revenues $ 27,081 $ 26,941
Assets 50,388 50,124
UNITED STATES    
Revenues 21,062 20,311
Assets 46,487 47,007
Non-US [Member]    
Revenues 6,019 6,630
Assets $ 3,901 $ 3,117
XML 90 R78.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 13 - Restructuring Activities (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Restructuring Charges $ 0 $ 0
CHINA | Backlog [Member]    
Restructuring and Related Cost, Expected Cost Remaining $ 3  
XML 91 R79.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 13 - Restructuring Activities - Charges and Net Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Revenues $ 27,081 $ 26,941
Net loss (1,538) (1,442)
Total assets 50,388 50,124
Total liabilities 6,674 5,283
CHINA    
Revenues 2 3
Net loss (50) (209)
Total assets 846 929
Total liabilities 67 79
Total net assets $ 779 $ 850
XML 92 R80.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 14 - Accrued Liabilities - Components of Other Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Contract liabilities (Note 2) $ 1,279 $ 372 $ 390
Warranty reserve (Note 9) 159 159  
Deferred revenue 103 75  
Accrued professional fees 101 0  
Other accrued liabilities 292 220  
Total other accrued liabilities $ 1,934 $ 826  
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Our primary focus is on the worldwide marketing and sale of Air Pollution Control (APC) technologies and our FUEL CHEM program.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The Company’s nitrogen oxide (NOx) reduction technologies reduce nitrogen oxide emissions from boilers, furnaces and other stationary combustion sources. To reduce NOx emissions, our technologies utilize advanced combustion modification techniques and post-combustion NOx control approaches including non-catalytic, catalytic and combined systems.  The Company also provides solutions for the mitigation of particulate matter, including particulate control with electrostatic precipitator products and services, and using Flue Gas Conditioning (FGC) systems which modify the ash properties of particulate for improved collection efficiency. Our FUEL CHEM program is based on proprietary TIFI<sup style="vertical-align:top;line-height:120%;">®</sup> Targeted In-Furnace™ Injection technology, in combination with advanced Computational Fluid Dynamics (CFD) and Chemical Kinetics Modeling (CKM) boiler modeling, in the unique application of specialty chemicals to improve the efficiency, reliability, fuel flexibility, boiler heat rate, and environmental status of combustion units by controlling slagging, fouling, corrosion, and opacity. Water treatment technologies include DGI® Dissolved Gas Infusion Systems which utilize a patented gas-infusing saturator vessel and a patent-pending channel injector to deliver supersaturated oxygen-water solutions and potentially other gas-liquid combinations to target process applications or environmental issues within the municipal and industrial water sectors. The infusion process has a variety of potential applications in the water and wastewater treatment sector, including aquaculture, agriculture/horticulture, pulp &amp; paper, tanneries, landfill leachate, irrigation, treatment of natural waters, wastewater odor management as well as supplying oxygen or other gases for biochemical reactions and pH adjustment.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Our business is materially dependent on the continued existence and enforcement of air quality regulations, particularly in the U.S. We have expended significant resources in the research and development of new technologies in building our proprietary portfolio of air pollution control, fuel and boiler treatment chemicals, computer modeling and advanced visualization technologies. Many of Fuel Tech's products and services rely heavily on the Company's CFD modeling capabilities, which are enhanced by internally developed, high-end visualization software.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">International revenues were $6,019 and $6,630 for the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, respectively. These amounts represented 22% and 25% of Fuel Tech’s total revenues for the respective periods of time. Foreign currency changes did <em style="font: inherit;">not</em> have a material impact on the calculation of these percentages. We have foreign offices in Beijing, China and Gallarate, Italy.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Basis of Presentation</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The consolidated financial statements include the accounts of Fuel Tech and its wholly owned subsidiaries. </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the U.S. (GAAP). The books and records of subsidiaries located in foreign countries are maintained according to generally accepted accounting principles in those countries. Upon consolidation, the Company evaluates the differences in accounting principles and determines whether adjustments are necessary to convert the foreign financial statements to the accounting principles upon which the consolidated financial statements are based. All intercompany transactions have been eliminated.</p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Geopolitical and Unexpected Events </b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><span style="background-color:#ffffff;">Management cannot predict the full impact of geopolitical and unexpected events which <em style="font: inherit;"> may </em>impact new or existing projects and prices and availability of raw materials, energy and other materials. </span>These events <em style="font: inherit;"> may </em>also impact energy and regulatory policy nationally or regionally for the impacted regions. Such disruptions could have a material adverse effect on our business and financial results. <span style="background-color:#ffffff;">The Company continues to monitor the potential impacts on the business.</span></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt 0pt 0pt 8pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Liquidity</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">We have experienced net losses in recent years. We continue to monitor our liquidity needs and have taken measures to reduce expenses and restructure operations, which we feel are necessary to ensure we maintain sufficient working capital and liquidity to operate the business and invest in our future. As a result, we have evaluated our ongoing business needs, and considered the cash requirements of our APC and FUEL CHEM businesses. This evaluation included consideration of the following: a) customer and revenue trends in our APC and FUEL CHEM business segments, b) current operating structure and expenditure levels, c) current availability of working capital, and d) support for our research and development initiatives. We believe our current cash position and net cash flows expected to be generated from operations are adequate to fund planned operations of the Company.</p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Use of Estimates</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The preparation of the financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. The Company uses estimates in accounting for, among other items, revenue recognition, allowance for credit losses, income tax provisions, excess and obsolete inventory reserve, impairment of long-lived assets, and warranty expenses. Actual results could differ from those estimates.</p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Fair Value Measurements</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The carrying values of cash and cash equivalents, accounts receivable, and accounts payable are reasonable estimates of their fair value due to their short-term nature.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">We apply authoritative accounting guidance for fair value measurements of financial and non-financial assets and liabilities. This guidance defines fair value, establishes a consistent framework for measuring fair value and expands disclosure for each major asset and liability category measured at fair value on either a recurring or nonrecurring basis and clarifies that fair value is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. As such, fair value is a market-based measurement that should be determined based on assumptions that market participants would use in pricing an asset or liability. As a basis for considering such assumptions, the standard establishes a <em style="font: inherit;">three</em>-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value as follows:</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <table border="0" cellpadding="0" cellspacing="0" style="width:100%;font-family:'Times New Roman', Times, serif;font-size:10pt;"><tbody><tr><td style="width:64pt;"> </td><td style="width:18pt;vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">•</p> </td><td style="vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">Level <em style="font: inherit;">1</em> – Observable inputs to the valuation methodology such as quoted prices in active markets for identical assets or liabilities</p> </td></tr> </tbody></table> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <table border="0" cellpadding="0" cellspacing="0" style="width:100%;font-family:'Times New Roman', Times, serif;font-size:10pt;"><tbody><tr><td style="width:64pt;"> </td><td style="width:18pt;vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">•</p> </td><td style="vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">Level <em style="font: inherit;">2</em> – Inputs to the valuation methodology including quoted prices for similar assets or liabilities in active markets, quoted prices for identical assets or liabilities in inactive markets, inputs other than quoted prices that are observable for the asset or liability, and inputs that are derived principally from or corroborated by observable market data by correlation or other means</p> </td></tr> </tbody></table> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <table border="0" cellpadding="0" cellspacing="0" style="width:100%;font-family:'Times New Roman', Times, serif;font-size:10pt;"><tbody><tr><td style="width:64pt;"> </td><td style="width:18pt;vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">•</p> </td><td style="vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">Level <em style="font: inherit;">3</em> – Significant unobservable inputs in which there is little or <em style="font: inherit;">no</em> market data, which require the reporting entity to develop its own estimates and assumptions or those expected to be used by market participants. Generally, these fair value measures are model-based valuation techniques such as discounted cash flows, option pricing models, and other commonly used valuation techniques</p> </td></tr> </tbody></table> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Transfers between levels of the fair value hierarchy are recognized based on the actual date of the event or change in circumstances that caused the transfer. We had <em style="font: inherit;">no</em> assets or liabilities that were valued using level <em style="font: inherit;">2</em> or level <em style="font: inherit;">3</em> inputs and therefore there were <em style="font: inherit;">no</em> transfers between levels of the fair value hierarchy during the periods ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>.</p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Cash and cash equivalents</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">We consider all highly liquid debt investments with original maturities from the date of purchase of <em style="font: inherit;">three</em> months or less as cash equivalents. Cash equivalents include investments in money market funds. At <em style="font: inherit;"> December 31, 2023</em>, we had cash on hand of approximately $601 at our Beijing, China subsidiary that is subject to certain local regulations that <em style="font: inherit;"> may </em>limit the immediate availability of these funds outside of China. Cash on hand at our Italy subsidiary totaled approximately $821 at <em style="font: inherit;"> December 31, 2023</em>. Cash on hand at our Chilean subsidiary totaled approximately $200 at <em style="font: inherit;"> December 31, 2023</em>.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The following table provides a reconciliation of cash and cash equivalents reported within the Consolidated Balance Sheet that sum to the total of the same such amounts shown in the Consolidated Statements of Cash Flows:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">December 31, 2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">December 31, 2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 70%; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Cash</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">12,495</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">12,560</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Cash equivalents</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">5,083</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">10,768</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Total cash and cash equivalents shown in the Consolidated Statements of Cash Flows</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">17,578</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">23,328</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="margin: 0pt; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </p><p style="margin: 0pt; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"></p> <p style="margin: 0pt; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><b style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"></b></p><p style="margin: 0pt; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><b style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;">Investments</b></p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;">In <em style="font: inherit;"> June 2022, </em>the Board of Directors approved a plan to invest up to $10,000 of excess capital in debt securities, or held in money market funds until such investments can be made, with BMO Harris Bank N.A (BMO Harris). In <em style="font: inherit;"> December 2022, </em>the Board of Directors approved an additional transfer of $10,000 of excess capital into the investment account. A portion of the funds invested are restricted as collateral under the Investment Collateral Security agreement (see Note <em style="font: inherit;">11</em>). At <em style="font: inherit;"> December 31, 2023</em>, the amount of funds collateralized under the Investment Collateral Security agreeme<span style="background-color:#ffffff;">nt is </span>$1,356<span style="background-color:#ffffff;"> relating to existing standby letters of credit that is comprised of $904 with varying maturity dates and expire <em style="font: inherit;">no</em> later tha</span>n <em style="font: inherit;"> November 30, 2025.</em></p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;">Our investments in debt securities consist of United States (US) Treasury securities, including Notes, Bonds, and Bills, and US Government Agency securities, which are designated as held-to-maturity (HTM) and stated at amortized cost. The Company has the positive intent and ability to hold these investments to maturity and does <em style="font: inherit;">not</em> expect to sell any debt securities before maturity to settle an obligation under the Investment Collateral Security agreement. The maturities of our HTM investments range from <span style="-sec-ix-hidden:c108373616">three</span> to <span style="-sec-ix-hidden:c108373617">thirty-six</span> months. HTM debt investments with original maturities of approximately <em style="font: inherit;">three</em> months or less from the date of purchase are classified within cash and cash equivalents. HTM debt investments with original maturities at the date of purchase greater than approximately <em style="font: inherit;">three</em> months and remaining maturities of less than <em style="font: inherit;">one</em> year are classified as short-term investments. HTM debt investments with remaining maturities beyond <em style="font: inherit;">one</em> year are classified as long-term investments. Interest income, including amortization of premium and accretion of discount, are included on the Consolidated Statements of Operations in Interest income under the effective yield method. Accrued interest is included in Prepaid expenses and other current assets on the Consolidated Balance Sheets. Due to the creditworthiness of the entities issuing these securities, there is <em style="font: inherit;">no</em> impairment recorded related to the unrealized losses.</p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;">The following table provides the amortized cost, gross unrealized gains and losses, and fair value of our HTM debt securities:</p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr class="finHeading" style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;"><em style="font: inherit;">December 31,</em></em></p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td></tr> <tr class="finHeading" style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Held-to-maturity debt securities:</p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Amortized cost</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">15,800</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">9,341</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Gross unrecognized gains</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Gross unrecognized losses</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(86</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(168</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Fair value</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">15,714</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">9,173</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;">The following table provides the amortized cost and fair value of debt securities by maturities at <em style="font: inherit;"> December 31, 2023</em>:</p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Amortized Cost</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Fair Value</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Within one year</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">12,136</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">12,056</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">After one year through two years</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">3,664</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">3,658</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Total</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">15,800</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">15,714</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p><p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Foreign Currency Risk Management</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Our earnings and cash flows are subject to fluctuations due to changes in foreign currency exchange rates. We do <em style="font: inherit;">not</em> enter into foreign currency forward contracts or into foreign currency option contracts to manage this risk due to the nature of the transactions involved.</p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Accounts Receivable</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Accounts receivable consist of amounts due to us in the normal course of our business, are <em style="font: inherit;">not</em> collateralized, and normally do <em style="font: inherit;">not</em> bear interest. Accounts receivable includes contract assets, billings occurring subsequent to revenue recognition under Accounting Standards Codification (ASC) <em style="font: inherit;">606</em> <i>Revenue from Contracts with Customers</i>. At <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, unbilled receivables were approximately $2,285 and $3,082, respectively. Refer to Note <em style="font: inherit;">2</em> for further detail.</p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><b> </b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Allowance for Credit Losses</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">In <em style="font: inherit;"> June 2016, </em>the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) <em style="font: inherit;">2016</em>-<em style="font: inherit;">13,</em> Financial Instruments - Credit Losses (Topic <em style="font: inherit;">326</em>): Measurement of Credit Losses on Financial Instruments, and in <em style="font: inherit;"> November 2019, </em>the FASB issued ASU <em style="font: inherit;">2019</em>-<em style="font: inherit;">10,</em> Financial Instruments - Credit Losses (Topic <em style="font: inherit;">326</em>), Derivatives and Hedging (Topic <em style="font: inherit;">815</em>), and Leases (Topic <em style="font: inherit;">842</em>). This guidance requires the measurement of all expected losses based on historical experience, current conditions and reasonable and supportable forecasts. For trade receivables and other financial instruments, we are required to use a forward-looking expected loss model rather than the incurred loss model for recognizing credit losses which reflects losses that are probable. The Company adopted these ASUs on <em style="font: inherit;"> January 1, 2023 </em>using the prospective method. Application of the amendments did <em style="font: inherit;">not</em> require a cumulative-effect adjustment to retained earnings as of the effective date and did <em style="font: inherit;">not</em> have a material impact on our financial statements. Beginning on <em style="font: inherit;"> January 1, 2023, </em>Fuel Tech will use the caption Allowance for Credit Losses and our expected credit loss model to calculate the allowance.</p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;">For the general risk categories, the Company uses historical losses over a fixed period, excluding certain write-off activity that was <em style="font: inherit;">not</em> considered credit loss events, to determine the historical credit loss. Historical loss rates are then adjusted to consider current economic conditions, and past, current, and future events and circumstances when determining expected credit losses. Investments in financial assets issued by US Government and Government Agency are considered as having <em style="font: inherit;">zero</em> expected credit losses and are excluded from the allowance for credit loss calculation.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The allowance for credit losses is our management's best estimate of the amount of credit losses in accounts receivable. At the end of each reporting period, the allowance for credit losses balance is reviewed relative to management’s assessment and is adjusted if deemed necessary. Bad debt write-offs are made when management believes it is probable a receivable will <em style="font: inherit;">not</em> be recovered. The table below sets forth the components of the Allowance for Credit Losses for the years ended <em style="font: inherit;"> December </em><em style="font: inherit;">31.</em></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 52%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">Year</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">Balance at January 1</em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Provision charged to expense</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Write-offs / Recoveries</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Balance at December 31</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2022</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">223</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(19</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(94</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">110</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">2023</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">110</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">24</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">(23</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">111</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Prepaid expenses and other current assets</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Prepaid expenses and other current assets are short-term commitments of typically <em style="font: inherit;">three</em> to <em style="font: inherit;">six</em> months for future payments and can be redeemed at a discount or applied to future vendor payments.</p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Inventories</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Inventories consist primarily of equipment constructed for resale and spare parts and are stated at the lower of cost or net realizable value, using the weighted-average cost method. At <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, inventory included equipment constructed for resale of$207<span style="background-color:#ffffff;"> and </span>$207<span style="background-color:#ffffff;">, respectively, and spare parts, net of reserves of </span>$232<span style="background-color:#ffffff;"> and </span>$185<span style="background-color:#ffffff;">, respectively.</span> Usage is recorded in cost of sales in the period that parts were issued to a project, used to service equipment, or sold to customers. Equipment constructed for resale that is in process is recorded in Other assets. In process equipment for inventory recorded as other assets was $618 and $634 as of <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, respectively.   </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Inventories are periodically evaluated to identify obsolete or otherwise impaired parts and are written off when management determines usage is <em style="font: inherit;">not</em> probable. The Company estimates the balance of excess and obsolete inventory by analyzing inventory by age using last used and original purchase date and existing sales pipeline for which the inventory could be used. The table below sets forth the components of the Excess and Obsolete Inventory Reserve for the years ended <em style="font: inherit;"> December 31.</em></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 52%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">Year</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">Balance at January 1</em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Provision charged to expense</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Write-offs / Recoveries</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Balance at December 31</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2022</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">927</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">927</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2023</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">927</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(56</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(258</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">613</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p><p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Foreign Currency Translation and Transactions</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Assets and liabilities of consolidated foreign subsidiaries are translated into U.S. dollars at exchange rates in effect at year end. Revenues and expenses are translated at average exchange rates prevailing during the year. Gains or losses on foreign currency transactions and the related tax effects are reflected in net loss. The resulting translation adjustments are included in stockholders’ equity as part of accumulated other comprehensive loss.</p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b> </b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Accumulated Other Comprehensive Loss</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;"><em style="font: inherit;">December 31,</em></em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><b>Foreign currency translation</b></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><b> </b></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><b> </b></td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Balance at beginning of period</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(1,728</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(1,604</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Other comprehensive loss:</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 9pt;">Foreign currency translation adjustments (1)</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(20</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(124</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Balance at end of period</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(1,748</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(1,728</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><b>Total accumulated other comprehensive loss</b></p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(1,748</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(1,728</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" style="width:100%;font-family:'Times New Roman', Times, serif;font-size:10pt;"><tbody><tr><td style="width:36pt;vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">(<em style="font: inherit;">1</em>)</p> </td><td style="vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">In all periods presented, there were <em style="font: inherit;">no</em> tax impacts related to functional currency translation adjustments.</p></td></tr> </tbody></table><table border="0" cellpadding="0" cellspacing="0" style="width:100%;font-family:'Times New Roman', Times, serif;font-size:10pt;"><tbody><tr><td style="vertical-align:top;"><p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;"></p> </td></tr> </tbody></table> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Research and Development</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Research and development costs are expensed as incurred. Research and development projects funded by customer contracts are reported as part of cost of goods sold. Internally funded research and development expenses are reported as operating expenses.</p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Product/System Warranty</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">We typically warrant our air pollution control products and systems against defects in design, materials and workmanship for <span style="-sec-ix-hidden:c108373660">one</span> to <span style="-sec-ix-hidden:c108373661">two</span> years. A provision for estimated future costs relating to warranty expense is recorded when the products/systems become commercially operational.</p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Goodwill</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">Goodwill is evaluated for impairment at the reporting unit level, which is defined as an operating segment or <em style="font: inherit;">one</em> level below an operating segment. Goodwill of our reporting units is assigned upon acquisition after considering the nature of the net assets giving rise to the goodwill and how each reporting unit would enjoy the benefits and synergies of the net assets acquired. We have <span style="-sec-ix-hidden:c108373663">two</span> reporting units for goodwill evaluation purposes: the FUEL CHEM technology reporting unit and the APC technology reporting unit. There is <em style="font: inherit;">no</em> goodwill associated with our APC technology reporting unit. The entire goodwill balance of $2,116 was allocated to the FUEL CHEM technology reporting unit as of <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Goodwill is tested for impairment at least annually as of the <em style="font: inherit;">first</em> day of our <em style="font: inherit;">fourth</em> quarter, or more frequently if events or changes in circumstances indicate that the carrying value <em style="font: inherit;"> may </em><em style="font: inherit;">not</em> be recoverable. Our evaluation of goodwill impairment involves <em style="font: inherit;">first</em> assessing qualitative factors to determine whether it is more likely than <em style="font: inherit;">not</em> that the fair value of a reporting unit is less than its carrying amount. We <em style="font: inherit;"> may </em>bypass this qualitative assessment, or determine that based on our qualitative assessment considering the totality of events and circumstances including macroeconomic factors, industry and market considerations, current and projected financial performance, a sustained decrease in our share price, or other factors, that additional impairment analysis is necessary. This additional analysis involves comparing the current fair value of our reporting units to their carrying values. We use a discounted cash flow (DCF) model to determine the current fair value of our FUEL CHEM reporting unit. A number of significant assumptions and estimates are involved in the application of the DCF model to forecast operating cash flows, including markets and market share, sales volumes and prices, costs to produce and working capital changes. Management considers historical experience and all available information at the time the fair values of its reporting units are estimated. However, actual fair values that could be realized in an actual transaction <em style="font: inherit;"> may </em>differ from those used to evaluate the impairment of goodwill. Fuel Tech performed its annual goodwill impairment analysis as of <em style="font: inherit;"> October 1, </em><em style="font: inherit;">2023</em> and determined that <em style="font: inherit;">no</em> impairment of goodwill existed. The Company did <span style="-sec-ix-hidden:c108373676"><span style="-sec-ix-hidden:c108373677">not</span></span> recognize a charge for goodwill impairment for the periods ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>.</p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Other Intangible Assets</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Management reviews other finite-lived intangible assets, patent assets, trade names, and lease assets for impairment when events or changes in circumstances indicate the carrying amount of an asset or asset group <em style="font: inherit;"> may </em><em style="font: inherit;">not</em> be recoverable. In the event that impairment indicators exist, a further analysis is performed and if the sum of the expected undiscounted future cash flows resulting from the use of the asset or asset group is less than the carrying amount of the asset or asset group, an impairment loss equal to the excess of the asset or asset group's carrying value over its fair value is recorded. Management considers historical experience and all available information at the time the estimates of future cash flows are made, however, the actual cash values that could be realized <em style="font: inherit;"> may </em>differ from those that are estimated.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">During the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, Fuel Tech recorded <em style="font: inherit;">no</em> patent or trademark abandonment charges.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Third-party costs related to the development of patents are included within other intangible assets on the consolidated balance sheets. The <em style="font: inherit;">third</em>-party costs capitalized as patent costs during the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em> were $28 and $37, respectively. Third-party costs are comprised of legal fees that relate to the review and preparation of patent disclosures and filing fees incurred to present the patents to the required governing body.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Our intellectual property portfolio has been a significant building block for the APC and FUEL CHEM technology segments. The patents are essential to the generation of revenue for our businesses and are essential to protect us from competition in the markets in which we serve. These costs are being amortized on the straight-line method over the period beginning with the patent issuance date and ending on the patent expiration date. Patent maintenance fees are charged to operations as incurred.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Amortization expense from continuing operations for intangible assets was $61 and $88 for the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, respectively. The table below shows the amortization period and other intangible asset cost by intangible asset as of <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, and the accumulated amortization and net intangible asset value in total for all other intangible assets.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="10" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;"><em style="font: inherit;"><em style="font: inherit;">2023</em></em></em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="10" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;"><em style="font: inherit;"><em style="font: inherit;">2022</em></em></em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 30%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">Description of Other Intangibles</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Amortization Period (years)</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Gross Carrying Amount</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Accumulated Amortization</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Net Carrying Amount</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Gross Carrying Amount</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Accumulated Amortization</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Net Carrying Amount</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Patent assets</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1 - 20</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">826</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(468</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">358</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">803</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(406</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">397</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 9pt;">Total</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">826</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(468</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">358</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">803</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(406</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">397</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The table below shows the estimated future amortization expense for intangible assets:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 85%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">Year</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">Estimated Amortization Expense</em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2024</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">54</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2025</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">33</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2026</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">32</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2027</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">32</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2028</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">32</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Thereafter</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">175</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Total</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">358</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Property and Equipment</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Property and equipment is stated at historical cost and does <em style="font: inherit;">not</em> include capital in process expenditures yet to be capitalized. Provisions for depreciation are computed by the straight-line method, using estimated useful lives that range based on the nature of the asset. Leasehold improvements are depreciated over the shorter of the associated lease term or the estimated useful life of the asset. Depreciation expense was $281 and $352 for the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, respectively. The table below shows the depreciable life and cost by asset class as of <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, and the accumulated depreciation and net book value in total for all classes of assets.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 55%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">Description of Property and Equipment</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">Depreciable Life (years)</em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Land</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1,050</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1,050</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Building</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">39</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">3,950</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">3,950</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Building and leasehold improvements</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">3 - 39</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">2,655</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">2,626</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Field equipment</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">3 - 4</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">12,100</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">11,882</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Computer equipment and software</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">2 - 3</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">2,049</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">2,117</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Furniture and fixtures</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">3 - 10</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1,307</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1,306</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Vehicles</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">5</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">32</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">32</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Construction in process</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);">99</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);">29</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Total cost</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">23,242</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">22,992</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Less accumulated depreciation</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(18,703</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(18,557</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Total net book value</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">4,539</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">4,435</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Property and equipment is reviewed for impairment when events and circumstances indicate that the carrying amount of the assets (or asset group) <em style="font: inherit;"> may </em><em style="font: inherit;">not</em> be recoverable. If impairment indicators exist, we perform a more detailed analysis and an impairment loss is recognized when estimated future undiscounted cash flows expected to result from the use of the asset (or asset group) and its eventual disposition are less than the carrying amount. This process of analyzing impairment involves examining the operating condition of individual assets (or asset group) and estimating a fair value based upon current condition, relevant market factors and remaining estimated operational life compared to the asset’s remaining depreciable life. Quoted market prices and other valuation techniques are used to determine expected cash flows.</p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Revenue Recognition</b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><i> </i></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">The Company recognizes revenue when control of the promised goods or services is transferred to our customers, in an amount that reflects the consideration we expect to be entitled to in exchange for those goods or services. The majority of our contracts have a single performance obligation as the promise to transfer the individual goods or services is <em style="font: inherit;">not</em> separately identifiable from other promises in the contracts and, therefore, <em style="font: inherit;">not</em> distinct. Revenue is measured as the amount of consideration we expect to receive in exchange for transferring goods or providing services. Sales, value add, and other taxes we collect concurrent with revenue-producing activities are excluded from revenue.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><i>Air Pollution Control Technology</i></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Fuel Tech’s APC contracts are typically <span style="-sec-ix-hidden:c108373699">six</span> to <span style="-sec-ix-hidden:c108373700">eighteen</span> months in length. A typical contract will have <em style="font: inherit;">three</em> or <em style="font: inherit;">four</em> critical operational measurements that, when achieved, serve as the basis for us to invoice the customer via progress billings. At a minimum, these measurements will include the generation of engineering drawings, the shipment of equipment and the completion of a system performance test.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">As part of most of its contractual APC project agreements, Fuel Tech will agree to customer-specific acceptance criteria that relate to the operational performance of the system that is being sold. These criteria are determined based on modeling that is performed by Fuel Tech personnel, which is based on operational inputs that are provided by the customer. The customer will warrant that these operational inputs are accurate as they are specified in the binding contractual agreement. Further, the customer is solely responsible for the accuracy of the operating condition information; typically all performance guarantees and equipment warranties granted by us are voidable if the operating condition information is inaccurate or is <em style="font: inherit;">not</em> met.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Since control transfers over time, revenue is recognized based on the extent of progress towards completion of the single performance obligation. Fuel Tech uses the cost-to-cost input measure of progress for our contracts since it best depicts the transfer of assets to the customer which occurs as we incur costs on our contracts. Under the cost-to-cost input measure of progress, the extent of progress towards completion is measured based on the ratio of costs incurred to date to the total estimated costs at completion of the performance obligation. Revenues are recorded proportionally as costs are incurred. Costs to fulfill include all internal and external engineering costs, equipment charges, inbound and outbound freight expenses, internal and site transfer costs, installation charges, purchasing and receiving costs, inspection costs, warehousing costs, project personnel travel expenses and other direct and indirect expenses specifically identified as project- or product-line related, as appropriate (e.g. test equipment depreciation and certain insurance expenses).</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">Fuel Tech’s APC product line also includes ancillary revenue for post contractual goods and services. Revenue associated with these activities are recognized at point in time when delivery of goods or completion of the service obligation is performed.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Fuel Tech normally provides performance guarantees to our customers based on the operating conditions for the project. As part of the project implementation process, we perform system start-up and optimization services that effectively serve as a test of actual project performance. We believe that this test, combined with the accuracy of the modeling that is performed, enables revenue to be recognized prior to the receipt of formal customer acceptance.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><i>FUEL CHEM</i></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><i> </i></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">Revenues from the sale of chemical products are recognized when control transfers to customer upon shipment or delivery of the product based on the applicable shipping terms. We generally recognize revenue for these arrangements at a point in time based on our evaluation of when the customer obtains control of the promised goods or services. </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">On occasion, Fuel Tech will engineer and sell its chemical pumping equipment.  These projects are similar in nature to the APC projects described above and for those projects where control transfers over time, revenue is recognized based on the extent of progress towards completion of the single performance obligation. </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">For projects containing multiple performance obligations, the Company allocates the transaction price based on the estimated standalone selling price. The Company must develop assumptions that require judgment to determine the stand-alone selling price for each performance obligation identified in the contract. The Company utilizes key assumptions to determine the stand-alone selling price, which <em style="font: inherit;"> may </em>include other comparable transactions, pricing considered in negotiating the transaction and the estimated costs. Variable consideration is allocated specifically to <em style="font: inherit;">one</em> or more performance obligations in a contract when the terms of the variable consideration relate to the satisfaction of the performance obligation and the resulting amounts allocated are consistent with the amounts the Company would expect to receive for the satisfaction of each performance obligation.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">The consideration allocated to each performance obligation is recognized as revenue when control is transferred for the related goods or services. For performance obligations which consist of licenses and other promises, the Company utilizes judgment to assess the nature of the combined performance obligation to determine whether the combined performance obligation is satisfied over time or at a point in time and, if over time, the appropriate method of measuring progress. The Company evaluates the measure of progress each reporting period and, if necessary, adjusts the measure of performance and related revenue recognition.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">The Company receives payments from its customers based on billing schedules established in each contract. Up-front payments and fees are recorded as deferred revenue upon receipt or when due until the Company performs its obligations under these arrangements. Amounts are recorded as accounts receivable when the Company’s right to consideration is unconditional.</p><p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;"></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><i> </i></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Cost of Sales</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Cost of sales includes all internal and external engineering costs, equipment and chemical charges, inbound and outbound freight expenses, internal and site transfer costs, installation charges, purchasing and receiving costs, inspection costs, warehousing costs, project personnel travel expenses and other direct and indirect expenses specifically identified as project- or product line-related, as appropriate (e.g., test equipment depreciation and certain insurance expenses). Certain depreciation and amortization expenses related to tangible and intangible assets, respectively, are allocated to cost of sales. We classify shipping and handling costs in cost of sales in the consolidated statements of operations.</p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Selling, General and Administrative Expenses</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Selling, general and administrative expenses primarily include the following categories except where an allocation to the cost of sales line item is warranted due to the project- or product-line nature of a portion of the expense category: salaries and wages, employee benefits, non-project travel, insurance, legal, rent, accounting and auditing, recruiting, telephony, employee training, Board of Directors’ fees, auto rental, office supplies, dues and subscriptions, utilities, real estate taxes, commissions and bonuses, marketing materials, postage and business taxes. Departments comprising the selling, general and administrative line item primarily include the functions of executive management, finance and accounting, investor relations, regulatory affairs, marketing, business development, information technology, human resources, sales, legal and general administration.</p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Income Taxes</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The provision for income taxes is determined using the asset and liability approach of accounting for income taxes. Under this approach, the provision for income taxes represents income taxes paid or payable (or received or receivable) for the current year plus the change in deferred taxes during the year. Deferred taxes represent the future tax consequences expected to occur when the reported amounts of assets and liabilities are recovered or paid, and result from differences between the financial and tax bases of our assets and liabilities and are adjusted for changes in tax rates and tax laws when enacted. Valuation allowances are recorded to reduce deferred tax assets when it is more likely than <em style="font: inherit;">not</em> that a tax benefit will <em style="font: inherit;">not</em> be realized. In evaluating the need for a valuation allowance, management considers all potential sources of taxable income, including income available in carryback periods, future reversals of taxable temporary differences, projections of taxable income, and income from tax planning strategies, as well as all available positive and negative evidence. Positive evidence includes factors such as a history of profitable operations, projections of future profitability within the carryforward period, including from tax planning strategies, and our experience with similar operations. Negative evidence includes items such as cumulative losses, projections of future losses, or carryforward periods that are <em style="font: inherit;">not</em> long enough to allow for the utilization of a deferred tax asset based on existing projections of income. Deferred tax assets for which <em style="font: inherit;">no</em> valuation allowance is recorded <em style="font: inherit;"> may </em><em style="font: inherit;">not</em> be realized upon changes in facts and circumstances.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Tax benefits related to uncertain tax positions taken or expected to be taken on a tax return are recorded when such benefits meet a more likely than <em style="font: inherit;">not</em> threshold. Otherwise, these tax benefits are recorded when a tax position has been effectively settled, which means that the statute of limitation has expired or the appropriate taxing authority has completed their examination even though the statute of limitations remains open. Interest and penalties related to uncertain tax positions are recognized as part of the provision for income taxes and are accrued beginning in the period that such interest and penalties would be applicable under relevant tax law until such time that the related tax benefits are recognized.</p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b> </b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b>Leases</b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">The Company applies the provisions of ASC <em style="font: inherit;">842,</em> Leases. The Company determines if an arrangement is a lease at inception by evaluating whether the arrangement conveys the right to use an identified asset and whether the Company obtains substantially all of the economic benefits from and has the ability to direct the use of the asset. Right-of-use (ROU) assets and lease liabilities are recognized at the lease commencement date based on the present value of the future minimum lease payments over the lease term. Operating ROU assets also include the impact of any lease incentives. Operating leases are included in right-of-use operating lease assets, operating lease liabilities - current, and operating lease liabilities - non-current on our Consolidated Balance Sheets.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Operating lease ROU assets and operating lease liabilities are recognized based on the present value of the future minimum lease payments over the lease term at commencement date. As most of our leases do <em style="font: inherit;">not</em> provide an implicit rate, we use our incremental borrowing rate based on the information available at commencement date in determining the present value of future payments. The operating lease ROU asset also includes any lease payments made and excludes lease incentives and initial direct costs incurred. Our lease terms <em style="font: inherit;"> may </em>include options to extend or terminate the lease when it is reasonably certain that we will exercise that option. Lease expense for minimum lease payments is recognized on a straight-line basis over the lease term.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">We have lease agreements with lease and non-lease components, and we elected the practical expedient to <em style="font: inherit;">not</em> separate lease and non-lease components for the majority of our leases. For certain equipment leases, such as vehicles, we account for the lease and non-lease components as a single lease component. We also elected the practical expedient for leases with an initial term of <em style="font: inherit;">12</em> months or less.</p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Stock-Based Compensation</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Our stock-based employee compensation plan, referred to as the Fuel Tech, Inc. <em style="font: inherit;">2014</em> Long-Term Incentive Plan (Incentive Plan), was adopted in <em style="font: inherit;"> May 2014 </em>and allows for awards to be granted to participants in the form of non-qualified stock options, incentive stock options, stock appreciation rights, restricted stock, restricted stock units, performance awards, and bonuses or other forms of share-based or non-share-based awards or combinations thereof. Participants in the Incentive Plan <em style="font: inherit;"> may </em>be our directors, officers, employees, consultants or advisors (except consultants or advisors in capital-raising transactions) as the directors determine are key to the success of our business. There are a maximum of 5,884,076 shares that <em style="font: inherit;"> may </em>be issued or reserved for awards to participants under the Incentive Plan as of <em style="font: inherit;"> December 31, 2023</em>. Based on the existing issued or reserved awards in Incentive Plan, there are 645,650 shares available to be used for future awards to participants in the Incentive Plan as of <em style="font: inherit;"> December 31, 2023</em>.</p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Defined Contribution Plan</b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><span style="background-color:#ffffff;">We have a retirement savings plan available for all our U.S. employees who have met minimum length-of-service requirements. Our contributions are determined based upon amounts contributed by the employees with additional contributions made at the discretion of the Board of Directors. Costs related to this plan were </span>$233<span style="background-color:#ffffff;"> and </span>$200<span style="background-color:#ffffff;"> in </span><em style="font: inherit;">2023</em><span style="background-color:#ffffff;"> and </span><em style="font: inherit;">2022</em><span style="background-color:#ffffff;">, respectively.</span></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Basic and Diluted Earnings per Common Share</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><span style="background-color:#ffffff;">Basic earnings per share excludes the antidilutive effects of stock options, restricted stock units (RSUs), warrants, and the <em style="font: inherit;">nil</em> coupon non-redeemable convertible unsecured loan notes (see Note <em style="font: inherit;">6</em>). Diluted earnings per share includes the dilutive effect of the <em style="font: inherit;">nil</em> coupon non-redeemable convertible unsecured loan notes, RSUs, warrants, and unexercised in-the-money stock options, except in periods of net loss where the effect of these instruments is antidilutive. Out-of-the-money stock options and warrants are excluded from diluted earnings per share because they are unlikely to be exercised and would be anti-dilutive if they were exercised. </span><span style="background-color:#ffffff">At </span><em style="font: inherit;"> December 31, 2023</em><span style="background-color:#ffffff"> and </span><em style="font: inherit;">2022</em><span style="background-color:#ffffff">,</span> basic earnings per share is equal to diluted earnings per share because all outstanding stock awards, warrants, and convertible loan notes are considered anti-dilutive during periods of net loss. <span style="background-color:#ffffff;">At </span><em style="font: inherit;"> December 31, 2023</em><span style="background-color:#ffffff;"> and </span><em style="font: inherit;">2022</em><span style="background-color:#ffffff;">, we had weighted-average outstanding equity awards of </span>390,900<span style="background-color:#ffffff;"> and </span>763,800<span style="background-color:#ffffff;">, respectively, and </span>2,850,000<span style="background-color:#ffffff;"> warrants in both periods, which were antidilutive or represent out-of-the-money options for the purpose of calculation of the diluted earnings per share. As of </span><em style="font: inherit;"> December 31, 2023</em><span style="background-color:#ffffff;"> and </span><em style="font: inherit;">2022</em><span style="background-color:#ffffff;">, </span>246,500<span style="background-color:#ffffff;"> and 42,600 incremental equity awards were antidilutive because of the net loss in the year then ended, respectively. These equity awards could potentially dilute basic EPS in future years.</span></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The table below sets forth the weighted-average shares used at <em style="font: inherit;"> December </em><em style="font: inherit;">31</em> in calculating earnings (loss) per share:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Basic weighted-average shares</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">30,348,000</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">30,289,000</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Conversion of unsecured loan notes</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Unexercised options and unvested restricted stock units</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0); text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0); text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Diluted weighted-average shares</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">30,348,000</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">30,289,000</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Risk Concentrations</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Financial instruments that potentially subject the Company to a significant concentration of credit risk consist primarily of cash and cash equivalents and accounts receivable. The Company maintains deposits in federally insured financial institutions in excess of federally insured limits. However, management believes the Company is <em style="font: inherit;">not</em> exposed to significant credit risk due to the financial position of its primary depository institution where a significant portion of its deposits are held.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">For the year ended <em style="font: inherit;"> December 31, 2023</em>, <span style="background-color:#ffffff;">we had two customers which individually represented greater than <em style="font: inherit;">10%</em> of revenues. </span>These two customers contributed revenues to the FUEL CHEM technology segment. In total these <em style="font: inherit;">two</em> customers represented 36% of consolidated revenues. We h<span style="background-color:#ffffff;">ad <em style="font: inherit;">no</em> customer that accounted for greater than <em style="font: inherit;">10%</em> of our current assets as of </span><em style="font: inherit;"> December 31, 2023</em><span style="background-color:#ffffff;">.</span></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">For the year ended <em style="font: inherit;"> December 31, 2022</em>, we had three customers which individually represented greater than <em style="font: inherit;">10%</em> of revenues. <span style="background-color:#ffffff">Two customers primarily contributed revenues to the FUEL CHEM technology segment and one contributed revenue to the APC technology segment. In total these <em style="font: inherit;">three</em> customers represented 48% of consolidated revenues. </span>We had <em style="font: inherit;">no</em> customer that accounted for greater than <em style="font: inherit;">10%</em> of our current assets as of <em style="font: inherit;"> December 31, 2022</em>.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">We control credit risk through requiring milestone payments on long-term contracts, performing ongoing credit evaluations of its customers, and in some cases obtaining security for payment through bank guarantees and letters of credit.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Our FUEL CHEM technology segment is dependent, in part, upon a supply of magnesium hydroxide. Any adverse changes in the availability of this chemical will likely have an adverse impact on ongoing operation of our FUEL CHEM programs. Our supplier of magnesium hydroxide, Martin Marietta Magnesia Specialties, LLC (MMMS) assures the continuance of a stable supply from MMMS of magnesium hydroxide products for our requirements in the U.S. and Canada. MMMS supplies us with magnesium hydroxide products manufactured pursuant to our specifications and we have agreed to purchase from MMMS, and MMMS has agreed to supply, <em style="font: inherit;">100%</em> of our requirements for such magnesium hydroxide products for our customers who purchase such products for delivery in the U.S. and Canada. There can be <em style="font: inherit;">no</em> assurance that we will be able to obtain a stable source of magnesium hydroxide in markets outside the U.S.</p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Treasury Stock</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">We use the cost method to account for common stock repurchases. During the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, we withheld 0 and 12,497 shares of our common stock, valued at approximately $0 and $17, respectively, to settle personal tax withholding obligations that arose as a result of restricted stock units that vested. Refer to Note <em style="font: inherit;">5,</em> “Treasury Stock,” for further discussion.</p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b> </b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b></b></p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Recently Issued Accounting Pronouncements</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="text-align: justify; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt;"> </p> <div style="font-size:10pt"> <div style="font-family:'Times New Roman', Times, serif"> In <em style="font: inherit;"> November 2023, </em>the FASB issued ASU <em style="font: inherit;">2023</em>- <em style="font: inherit;">07,</em> Segment Reporting (Topic <em style="font: inherit;">280</em>): Improvements to Reportable Segment Disclosures, which provides guidance for additional disclosures around segment reporting. The standard will become effective for annual periods beginning on <em style="font: inherit;"> January 1, 2024 </em>for Fuel Tech and for interim periods thereafter. Application of the amendments is retrospective. The Company is reviewing the impact of this new pronouncement and expects to incorporate the additional disclosures in the Segment note when the ASU is adopted.  </div> </div> <p style="font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt;"> </p> <p style="text-align: justify; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt;"> </p> <div style="font-size:10pt"> <div style="font-family:'Times New Roman', Times, serif"> In <em style="font: inherit;"> December 2023, </em>the FASB issued ASU <em style="font: inherit;">2023</em>- <em style="font: inherit;">09,</em> Income Taxes (Topic <em style="font: inherit;">740</em>): Improvements to Income Tax Disclosures, which provides guidance for additional disclosures around the tax rate reconciliation and other tax disclosures. The standard will become effective for annual periods beginning on <em style="font: inherit;"> January 1, 2025 </em>for Fuel Tech. Application of the amendments should be applied prospectively but retrospective application is permitted. The Company is reviewing the impact of this new pronouncement and expects to incorporate the additional disclosures in the Tax note when the ASU is adopted.</div></div><div style="font-size:10pt"><div style="font-family:'Times New Roman', Times, serif">  </div> </div> <p style="font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt;"> </p> 6019000 6630000 0.22 0.25 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Basis of Presentation</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The consolidated financial statements include the accounts of Fuel Tech and its wholly owned subsidiaries. </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the U.S. (GAAP). The books and records of subsidiaries located in foreign countries are maintained according to generally accepted accounting principles in those countries. Upon consolidation, the Company evaluates the differences in accounting principles and determines whether adjustments are necessary to convert the foreign financial statements to the accounting principles upon which the consolidated financial statements are based. All intercompany transactions have been eliminated.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Geopolitical and Unexpected Events </b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><span style="background-color:#ffffff;">Management cannot predict the full impact of geopolitical and unexpected events which <em style="font: inherit;"> may </em>impact new or existing projects and prices and availability of raw materials, energy and other materials. </span>These events <em style="font: inherit;"> may </em>also impact energy and regulatory policy nationally or regionally for the impacted regions. Such disruptions could have a material adverse effect on our business and financial results. <span style="background-color:#ffffff;">The Company continues to monitor the potential impacts on the business.</span></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Liquidity</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">We have experienced net losses in recent years. We continue to monitor our liquidity needs and have taken measures to reduce expenses and restructure operations, which we feel are necessary to ensure we maintain sufficient working capital and liquidity to operate the business and invest in our future. As a result, we have evaluated our ongoing business needs, and considered the cash requirements of our APC and FUEL CHEM businesses. This evaluation included consideration of the following: a) customer and revenue trends in our APC and FUEL CHEM business segments, b) current operating structure and expenditure levels, c) current availability of working capital, and d) support for our research and development initiatives. We believe our current cash position and net cash flows expected to be generated from operations are adequate to fund planned operations of the Company.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Use of Estimates</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The preparation of the financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. The Company uses estimates in accounting for, among other items, revenue recognition, allowance for credit losses, income tax provisions, excess and obsolete inventory reserve, impairment of long-lived assets, and warranty expenses. Actual results could differ from those estimates.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Fair Value Measurements</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The carrying values of cash and cash equivalents, accounts receivable, and accounts payable are reasonable estimates of their fair value due to their short-term nature.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">We apply authoritative accounting guidance for fair value measurements of financial and non-financial assets and liabilities. This guidance defines fair value, establishes a consistent framework for measuring fair value and expands disclosure for each major asset and liability category measured at fair value on either a recurring or nonrecurring basis and clarifies that fair value is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. As such, fair value is a market-based measurement that should be determined based on assumptions that market participants would use in pricing an asset or liability. As a basis for considering such assumptions, the standard establishes a <em style="font: inherit;">three</em>-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value as follows:</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <table border="0" cellpadding="0" cellspacing="0" style="width:100%;font-family:'Times New Roman', Times, serif;font-size:10pt;"><tbody><tr><td style="width:64pt;"> </td><td style="width:18pt;vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">•</p> </td><td style="vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">Level <em style="font: inherit;">1</em> – Observable inputs to the valuation methodology such as quoted prices in active markets for identical assets or liabilities</p> </td></tr> </tbody></table> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <table border="0" cellpadding="0" cellspacing="0" style="width:100%;font-family:'Times New Roman', Times, serif;font-size:10pt;"><tbody><tr><td style="width:64pt;"> </td><td style="width:18pt;vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">•</p> </td><td style="vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">Level <em style="font: inherit;">2</em> – Inputs to the valuation methodology including quoted prices for similar assets or liabilities in active markets, quoted prices for identical assets or liabilities in inactive markets, inputs other than quoted prices that are observable for the asset or liability, and inputs that are derived principally from or corroborated by observable market data by correlation or other means</p> </td></tr> </tbody></table> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <table border="0" cellpadding="0" cellspacing="0" style="width:100%;font-family:'Times New Roman', Times, serif;font-size:10pt;"><tbody><tr><td style="width:64pt;"> </td><td style="width:18pt;vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">•</p> </td><td style="vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">Level <em style="font: inherit;">3</em> – Significant unobservable inputs in which there is little or <em style="font: inherit;">no</em> market data, which require the reporting entity to develop its own estimates and assumptions or those expected to be used by market participants. Generally, these fair value measures are model-based valuation techniques such as discounted cash flows, option pricing models, and other commonly used valuation techniques</p> </td></tr> </tbody></table> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Transfers between levels of the fair value hierarchy are recognized based on the actual date of the event or change in circumstances that caused the transfer. We had <em style="font: inherit;">no</em> assets or liabilities that were valued using level <em style="font: inherit;">2</em> or level <em style="font: inherit;">3</em> inputs and therefore there were <em style="font: inherit;">no</em> transfers between levels of the fair value hierarchy during the periods ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Cash and cash equivalents</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">We consider all highly liquid debt investments with original maturities from the date of purchase of <em style="font: inherit;">three</em> months or less as cash equivalents. Cash equivalents include investments in money market funds. At <em style="font: inherit;"> December 31, 2023</em>, we had cash on hand of approximately $601 at our Beijing, China subsidiary that is subject to certain local regulations that <em style="font: inherit;"> may </em>limit the immediate availability of these funds outside of China. Cash on hand at our Italy subsidiary totaled approximately $821 at <em style="font: inherit;"> December 31, 2023</em>. Cash on hand at our Chilean subsidiary totaled approximately $200 at <em style="font: inherit;"> December 31, 2023</em>.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The following table provides a reconciliation of cash and cash equivalents reported within the Consolidated Balance Sheet that sum to the total of the same such amounts shown in the Consolidated Statements of Cash Flows:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">December 31, 2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">December 31, 2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 70%; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Cash</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">12,495</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">12,560</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Cash equivalents</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">5,083</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">10,768</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Total cash and cash equivalents shown in the Consolidated Statements of Cash Flows</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">17,578</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">23,328</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="margin: 0pt; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </p> 601000 821000 200000 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">December 31, 2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">December 31, 2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 70%; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Cash</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">12,495</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">12,560</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Cash equivalents</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">5,083</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">10,768</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Total cash and cash equivalents shown in the Consolidated Statements of Cash Flows</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">17,578</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">23,328</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> 12495000 12560000 5083000 10768000 17578000 23328000 <p style="margin: 0pt; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><b style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;">Investments</b></p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;">In <em style="font: inherit;"> June 2022, </em>the Board of Directors approved a plan to invest up to $10,000 of excess capital in debt securities, or held in money market funds until such investments can be made, with BMO Harris Bank N.A (BMO Harris). In <em style="font: inherit;"> December 2022, </em>the Board of Directors approved an additional transfer of $10,000 of excess capital into the investment account. A portion of the funds invested are restricted as collateral under the Investment Collateral Security agreement (see Note <em style="font: inherit;">11</em>). At <em style="font: inherit;"> December 31, 2023</em>, the amount of funds collateralized under the Investment Collateral Security agreeme<span style="background-color:#ffffff;">nt is </span>$1,356<span style="background-color:#ffffff;"> relating to existing standby letters of credit that is comprised of $904 with varying maturity dates and expire <em style="font: inherit;">no</em> later tha</span>n <em style="font: inherit;"> November 30, 2025.</em></p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;">Our investments in debt securities consist of United States (US) Treasury securities, including Notes, Bonds, and Bills, and US Government Agency securities, which are designated as held-to-maturity (HTM) and stated at amortized cost. The Company has the positive intent and ability to hold these investments to maturity and does <em style="font: inherit;">not</em> expect to sell any debt securities before maturity to settle an obligation under the Investment Collateral Security agreement. The maturities of our HTM investments range from <span style="-sec-ix-hidden:c108373616">three</span> to <span style="-sec-ix-hidden:c108373617">thirty-six</span> months. HTM debt investments with original maturities of approximately <em style="font: inherit;">three</em> months or less from the date of purchase are classified within cash and cash equivalents. HTM debt investments with original maturities at the date of purchase greater than approximately <em style="font: inherit;">three</em> months and remaining maturities of less than <em style="font: inherit;">one</em> year are classified as short-term investments. HTM debt investments with remaining maturities beyond <em style="font: inherit;">one</em> year are classified as long-term investments. Interest income, including amortization of premium and accretion of discount, are included on the Consolidated Statements of Operations in Interest income under the effective yield method. Accrued interest is included in Prepaid expenses and other current assets on the Consolidated Balance Sheets. Due to the creditworthiness of the entities issuing these securities, there is <em style="font: inherit;">no</em> impairment recorded related to the unrealized losses.</p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;">The following table provides the amortized cost, gross unrealized gains and losses, and fair value of our HTM debt securities:</p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr class="finHeading" style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;"><em style="font: inherit;">December 31,</em></em></p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td></tr> <tr class="finHeading" style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Held-to-maturity debt securities:</p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Amortized cost</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">15,800</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">9,341</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Gross unrecognized gains</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Gross unrecognized losses</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(86</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(168</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Fair value</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">15,714</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">9,173</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;">The following table provides the amortized cost and fair value of debt securities by maturities at <em style="font: inherit;"> December 31, 2023</em>:</p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Amortized Cost</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Fair Value</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Within one year</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">12,136</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">12,056</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">After one year through two years</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">3,664</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">3,658</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Total</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">15,800</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">15,714</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> 10000000 10000000 1356000 904000 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr class="finHeading" style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;"><em style="font: inherit;">December 31,</em></em></p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td></tr> <tr class="finHeading" style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Held-to-maturity debt securities:</p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Amortized cost</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">15,800</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">9,341</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Gross unrecognized gains</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Gross unrecognized losses</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(86</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(168</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Fair value</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">15,714</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">9,173</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> 15800000 9341000 0 0 86000 168000 15714000 9173000 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Amortized Cost</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Fair Value</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Within one year</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">12,136</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">12,056</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">After one year through two years</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">3,664</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">3,658</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Total</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">15,800</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">15,714</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> 12136000 12056000 3664000 3658000 15800000 15714000 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Foreign Currency Risk Management</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Our earnings and cash flows are subject to fluctuations due to changes in foreign currency exchange rates. We do <em style="font: inherit;">not</em> enter into foreign currency forward contracts or into foreign currency option contracts to manage this risk due to the nature of the transactions involved.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Accounts Receivable</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Accounts receivable consist of amounts due to us in the normal course of our business, are <em style="font: inherit;">not</em> collateralized, and normally do <em style="font: inherit;">not</em> bear interest. Accounts receivable includes contract assets, billings occurring subsequent to revenue recognition under Accounting Standards Codification (ASC) <em style="font: inherit;">606</em> <i>Revenue from Contracts with Customers</i>. At <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, unbilled receivables were approximately $2,285 and $3,082, respectively. Refer to Note <em style="font: inherit;">2</em> for further detail.</p> 2285000 3082000 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Allowance for Credit Losses</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">In <em style="font: inherit;"> June 2016, </em>the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) <em style="font: inherit;">2016</em>-<em style="font: inherit;">13,</em> Financial Instruments - Credit Losses (Topic <em style="font: inherit;">326</em>): Measurement of Credit Losses on Financial Instruments, and in <em style="font: inherit;"> November 2019, </em>the FASB issued ASU <em style="font: inherit;">2019</em>-<em style="font: inherit;">10,</em> Financial Instruments - Credit Losses (Topic <em style="font: inherit;">326</em>), Derivatives and Hedging (Topic <em style="font: inherit;">815</em>), and Leases (Topic <em style="font: inherit;">842</em>). This guidance requires the measurement of all expected losses based on historical experience, current conditions and reasonable and supportable forecasts. For trade receivables and other financial instruments, we are required to use a forward-looking expected loss model rather than the incurred loss model for recognizing credit losses which reflects losses that are probable. The Company adopted these ASUs on <em style="font: inherit;"> January 1, 2023 </em>using the prospective method. Application of the amendments did <em style="font: inherit;">not</em> require a cumulative-effect adjustment to retained earnings as of the effective date and did <em style="font: inherit;">not</em> have a material impact on our financial statements. Beginning on <em style="font: inherit;"> January 1, 2023, </em>Fuel Tech will use the caption Allowance for Credit Losses and our expected credit loss model to calculate the allowance.</p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;">For the general risk categories, the Company uses historical losses over a fixed period, excluding certain write-off activity that was <em style="font: inherit;">not</em> considered credit loss events, to determine the historical credit loss. Historical loss rates are then adjusted to consider current economic conditions, and past, current, and future events and circumstances when determining expected credit losses. Investments in financial assets issued by US Government and Government Agency are considered as having <em style="font: inherit;">zero</em> expected credit losses and are excluded from the allowance for credit loss calculation.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The allowance for credit losses is our management's best estimate of the amount of credit losses in accounts receivable. At the end of each reporting period, the allowance for credit losses balance is reviewed relative to management’s assessment and is adjusted if deemed necessary. Bad debt write-offs are made when management believes it is probable a receivable will <em style="font: inherit;">not</em> be recovered. The table below sets forth the components of the Allowance for Credit Losses for the years ended <em style="font: inherit;"> December </em><em style="font: inherit;">31.</em></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 52%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">Year</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">Balance at January 1</em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Provision charged to expense</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Write-offs / Recoveries</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Balance at December 31</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2022</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">223</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(19</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(94</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">110</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">2023</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">110</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">24</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">(23</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">111</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 52%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">Year</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">Balance at January 1</em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Provision charged to expense</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Write-offs / Recoveries</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Balance at December 31</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2022</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">223</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(19</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(94</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">110</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">2023</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">110</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">24</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">(23</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">111</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> </tbody></table> 223000 -19000 94000 110000 110000 24000 23000 111000 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Prepaid expenses and other current assets</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Prepaid expenses and other current assets are short-term commitments of typically <em style="font: inherit;">three</em> to <em style="font: inherit;">six</em> months for future payments and can be redeemed at a discount or applied to future vendor payments.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Inventories</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Inventories consist primarily of equipment constructed for resale and spare parts and are stated at the lower of cost or net realizable value, using the weighted-average cost method. At <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, inventory included equipment constructed for resale of$207<span style="background-color:#ffffff;"> and </span>$207<span style="background-color:#ffffff;">, respectively, and spare parts, net of reserves of </span>$232<span style="background-color:#ffffff;"> and </span>$185<span style="background-color:#ffffff;">, respectively.</span> Usage is recorded in cost of sales in the period that parts were issued to a project, used to service equipment, or sold to customers. Equipment constructed for resale that is in process is recorded in Other assets. In process equipment for inventory recorded as other assets was $618 and $634 as of <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, respectively.   </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Inventories are periodically evaluated to identify obsolete or otherwise impaired parts and are written off when management determines usage is <em style="font: inherit;">not</em> probable. The Company estimates the balance of excess and obsolete inventory by analyzing inventory by age using last used and original purchase date and existing sales pipeline for which the inventory could be used. The table below sets forth the components of the Excess and Obsolete Inventory Reserve for the years ended <em style="font: inherit;"> December 31.</em></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 52%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">Year</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">Balance at January 1</em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Provision charged to expense</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Write-offs / Recoveries</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Balance at December 31</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2022</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">927</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">927</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2023</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">927</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(56</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(258</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">613</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> 207000 207000 232000 185000 618000 634000 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 52%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">Year</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">Balance at January 1</em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Provision charged to expense</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Write-offs / Recoveries</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Balance at December 31</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2022</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">927</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">927</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2023</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">927</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(56</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(258</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">613</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> </tbody></table> 927000 0 0 927000 927000 -56000 -258000 613000 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Foreign Currency Translation and Transactions</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Assets and liabilities of consolidated foreign subsidiaries are translated into U.S. dollars at exchange rates in effect at year end. Revenues and expenses are translated at average exchange rates prevailing during the year. Gains or losses on foreign currency transactions and the related tax effects are reflected in net loss. The resulting translation adjustments are included in stockholders’ equity as part of accumulated other comprehensive loss.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Accumulated Other Comprehensive Loss</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;"><em style="font: inherit;">December 31,</em></em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><b>Foreign currency translation</b></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><b> </b></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><b> </b></td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Balance at beginning of period</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(1,728</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(1,604</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Other comprehensive loss:</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 9pt;">Foreign currency translation adjustments (1)</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(20</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(124</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Balance at end of period</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(1,748</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(1,728</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><b>Total accumulated other comprehensive loss</b></p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(1,748</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(1,728</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" style="width:100%;font-family:'Times New Roman', Times, serif;font-size:10pt;"><tbody><tr><td style="width:36pt;vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">(<em style="font: inherit;">1</em>)</p> </td><td style="vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">In all periods presented, there were <em style="font: inherit;">no</em> tax impacts related to functional currency translation adjustments.</p></td></tr> </tbody></table> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;"><em style="font: inherit;">December 31,</em></em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><b>Foreign currency translation</b></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><b> </b></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><b> </b></td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Balance at beginning of period</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(1,728</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(1,604</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Other comprehensive loss:</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 9pt;">Foreign currency translation adjustments (1)</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(20</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(124</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Balance at end of period</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(1,748</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(1,728</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><b>Total accumulated other comprehensive loss</b></p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(1,748</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(1,728</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td></tr> </tbody></table> -1728000 -1604000 -20000 -124000 -1748000 -1728000 -1748000 -1728000 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Research and Development</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Research and development costs are expensed as incurred. Research and development projects funded by customer contracts are reported as part of cost of goods sold. Internally funded research and development expenses are reported as operating expenses.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Product/System Warranty</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">We typically warrant our air pollution control products and systems against defects in design, materials and workmanship for <span style="-sec-ix-hidden:c108373660">one</span> to <span style="-sec-ix-hidden:c108373661">two</span> years. A provision for estimated future costs relating to warranty expense is recorded when the products/systems become commercially operational.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Goodwill</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">Goodwill is evaluated for impairment at the reporting unit level, which is defined as an operating segment or <em style="font: inherit;">one</em> level below an operating segment. Goodwill of our reporting units is assigned upon acquisition after considering the nature of the net assets giving rise to the goodwill and how each reporting unit would enjoy the benefits and synergies of the net assets acquired. We have <span style="-sec-ix-hidden:c108373663">two</span> reporting units for goodwill evaluation purposes: the FUEL CHEM technology reporting unit and the APC technology reporting unit. There is <em style="font: inherit;">no</em> goodwill associated with our APC technology reporting unit. The entire goodwill balance of $2,116 was allocated to the FUEL CHEM technology reporting unit as of <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Goodwill is tested for impairment at least annually as of the <em style="font: inherit;">first</em> day of our <em style="font: inherit;">fourth</em> quarter, or more frequently if events or changes in circumstances indicate that the carrying value <em style="font: inherit;"> may </em><em style="font: inherit;">not</em> be recoverable. Our evaluation of goodwill impairment involves <em style="font: inherit;">first</em> assessing qualitative factors to determine whether it is more likely than <em style="font: inherit;">not</em> that the fair value of a reporting unit is less than its carrying amount. We <em style="font: inherit;"> may </em>bypass this qualitative assessment, or determine that based on our qualitative assessment considering the totality of events and circumstances including macroeconomic factors, industry and market considerations, current and projected financial performance, a sustained decrease in our share price, or other factors, that additional impairment analysis is necessary. This additional analysis involves comparing the current fair value of our reporting units to their carrying values. We use a discounted cash flow (DCF) model to determine the current fair value of our FUEL CHEM reporting unit. A number of significant assumptions and estimates are involved in the application of the DCF model to forecast operating cash flows, including markets and market share, sales volumes and prices, costs to produce and working capital changes. Management considers historical experience and all available information at the time the fair values of its reporting units are estimated. However, actual fair values that could be realized in an actual transaction <em style="font: inherit;"> may </em>differ from those used to evaluate the impairment of goodwill. Fuel Tech performed its annual goodwill impairment analysis as of <em style="font: inherit;"> October 1, </em><em style="font: inherit;">2023</em> and determined that <em style="font: inherit;">no</em> impairment of goodwill existed. The Company did <span style="-sec-ix-hidden:c108373676"><span style="-sec-ix-hidden:c108373677">not</span></span> recognize a charge for goodwill impairment for the periods ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>.</p><p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Other Intangible Assets</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Management reviews other finite-lived intangible assets, patent assets, trade names, and lease assets for impairment when events or changes in circumstances indicate the carrying amount of an asset or asset group <em style="font: inherit;"> may </em><em style="font: inherit;">not</em> be recoverable. In the event that impairment indicators exist, a further analysis is performed and if the sum of the expected undiscounted future cash flows resulting from the use of the asset or asset group is less than the carrying amount of the asset or asset group, an impairment loss equal to the excess of the asset or asset group's carrying value over its fair value is recorded. Management considers historical experience and all available information at the time the estimates of future cash flows are made, however, the actual cash values that could be realized <em style="font: inherit;"> may </em>differ from those that are estimated.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">During the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, Fuel Tech recorded <em style="font: inherit;">no</em> patent or trademark abandonment charges.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Third-party costs related to the development of patents are included within other intangible assets on the consolidated balance sheets. The <em style="font: inherit;">third</em>-party costs capitalized as patent costs during the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em> were $28 and $37, respectively. Third-party costs are comprised of legal fees that relate to the review and preparation of patent disclosures and filing fees incurred to present the patents to the required governing body.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Our intellectual property portfolio has been a significant building block for the APC and FUEL CHEM technology segments. The patents are essential to the generation of revenue for our businesses and are essential to protect us from competition in the markets in which we serve. These costs are being amortized on the straight-line method over the period beginning with the patent issuance date and ending on the patent expiration date. Patent maintenance fees are charged to operations as incurred.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Amortization expense from continuing operations for intangible assets was $61 and $88 for the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, respectively. The table below shows the amortization period and other intangible asset cost by intangible asset as of <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, and the accumulated amortization and net intangible asset value in total for all other intangible assets.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="10" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;"><em style="font: inherit;"><em style="font: inherit;">2023</em></em></em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="10" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;"><em style="font: inherit;"><em style="font: inherit;">2022</em></em></em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 30%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">Description of Other Intangibles</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Amortization Period (years)</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Gross Carrying Amount</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Accumulated Amortization</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Net Carrying Amount</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Gross Carrying Amount</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Accumulated Amortization</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Net Carrying Amount</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Patent assets</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1 - 20</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">826</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(468</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">358</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">803</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(406</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">397</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 9pt;">Total</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">826</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(468</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">358</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">803</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(406</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">397</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The table below shows the estimated future amortization expense for intangible assets:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 85%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">Year</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">Estimated Amortization Expense</em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2024</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">54</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2025</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">33</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2026</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">32</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2027</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">32</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2028</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">32</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Thereafter</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">175</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Total</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">358</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> 2116000 28000 37000 61000 88000 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="10" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;"><em style="font: inherit;"><em style="font: inherit;">2023</em></em></em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="10" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;"><em style="font: inherit;"><em style="font: inherit;">2022</em></em></em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 30%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">Description of Other Intangibles</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Amortization Period (years)</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Gross Carrying Amount</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Accumulated Amortization</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Net Carrying Amount</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Gross Carrying Amount</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Accumulated Amortization</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Net Carrying Amount</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Patent assets</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1 - 20</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">826</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(468</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">358</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">803</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(406</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">397</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 9pt;">Total</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">826</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(468</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">358</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">803</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(406</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 7%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">397</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> P1Y P20Y 826000 468000 358000 803000 406000 397000 826000 468000 358000 803000 406000 397000 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 85%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">Year</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">Estimated Amortization Expense</em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2024</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">54</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2025</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">33</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2026</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">32</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2027</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">32</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2028</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">32</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Thereafter</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">175</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Total</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">358</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> 54000 33000 32000 32000 32000 175000 358000 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Property and Equipment</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Property and equipment is stated at historical cost and does <em style="font: inherit;">not</em> include capital in process expenditures yet to be capitalized. Provisions for depreciation are computed by the straight-line method, using estimated useful lives that range based on the nature of the asset. Leasehold improvements are depreciated over the shorter of the associated lease term or the estimated useful life of the asset. Depreciation expense was $281 and $352 for the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, respectively. The table below shows the depreciable life and cost by asset class as of <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, and the accumulated depreciation and net book value in total for all classes of assets.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 55%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">Description of Property and Equipment</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">Depreciable Life (years)</em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Land</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1,050</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1,050</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Building</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">39</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">3,950</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">3,950</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Building and leasehold improvements</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">3 - 39</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">2,655</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">2,626</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Field equipment</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">3 - 4</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">12,100</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">11,882</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Computer equipment and software</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">2 - 3</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">2,049</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">2,117</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Furniture and fixtures</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">3 - 10</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1,307</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1,306</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Vehicles</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">5</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">32</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">32</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Construction in process</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);">99</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);">29</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Total cost</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">23,242</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">22,992</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Less accumulated depreciation</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(18,703</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(18,557</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Total net book value</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">4,539</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">4,435</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Property and equipment is reviewed for impairment when events and circumstances indicate that the carrying amount of the assets (or asset group) <em style="font: inherit;"> may </em><em style="font: inherit;">not</em> be recoverable. If impairment indicators exist, we perform a more detailed analysis and an impairment loss is recognized when estimated future undiscounted cash flows expected to result from the use of the asset (or asset group) and its eventual disposition are less than the carrying amount. This process of analyzing impairment involves examining the operating condition of individual assets (or asset group) and estimating a fair value based upon current condition, relevant market factors and remaining estimated operational life compared to the asset’s remaining depreciable life. Quoted market prices and other valuation techniques are used to determine expected cash flows.</p> 281000 352000 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 55%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">Description of Property and Equipment</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">Depreciable Life (years)</em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Land</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1,050</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1,050</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Building</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">39</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">3,950</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">3,950</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Building and leasehold improvements</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">3 - 39</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">2,655</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">2,626</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Field equipment</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">3 - 4</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">12,100</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">11,882</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Computer equipment and software</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">2 - 3</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">2,049</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">2,117</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Furniture and fixtures</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">3 - 10</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1,307</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1,306</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Vehicles</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">5</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">32</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">32</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Construction in process</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);">99</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);">29</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Total cost</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">23,242</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">22,992</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Less accumulated depreciation</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(18,703</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(18,557</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Total net book value</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">4,539</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">4,435</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> 1050000 1050000 P39Y 3950000 3950000 P3Y P39Y 2655000 2626000 P3Y P4Y 12100000 11882000 P2Y P3Y 2049000 2117000 P3Y P10Y 1307000 1306000 P5Y 32000 32000 99000 29000 23242000 22992000 18703000 18557000 4539000 4435000 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Revenue Recognition</b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><i> </i></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">The Company recognizes revenue when control of the promised goods or services is transferred to our customers, in an amount that reflects the consideration we expect to be entitled to in exchange for those goods or services. The majority of our contracts have a single performance obligation as the promise to transfer the individual goods or services is <em style="font: inherit;">not</em> separately identifiable from other promises in the contracts and, therefore, <em style="font: inherit;">not</em> distinct. Revenue is measured as the amount of consideration we expect to receive in exchange for transferring goods or providing services. Sales, value add, and other taxes we collect concurrent with revenue-producing activities are excluded from revenue.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><i>Air Pollution Control Technology</i></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Fuel Tech’s APC contracts are typically <span style="-sec-ix-hidden:c108373699">six</span> to <span style="-sec-ix-hidden:c108373700">eighteen</span> months in length. A typical contract will have <em style="font: inherit;">three</em> or <em style="font: inherit;">four</em> critical operational measurements that, when achieved, serve as the basis for us to invoice the customer via progress billings. At a minimum, these measurements will include the generation of engineering drawings, the shipment of equipment and the completion of a system performance test.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">As part of most of its contractual APC project agreements, Fuel Tech will agree to customer-specific acceptance criteria that relate to the operational performance of the system that is being sold. These criteria are determined based on modeling that is performed by Fuel Tech personnel, which is based on operational inputs that are provided by the customer. The customer will warrant that these operational inputs are accurate as they are specified in the binding contractual agreement. Further, the customer is solely responsible for the accuracy of the operating condition information; typically all performance guarantees and equipment warranties granted by us are voidable if the operating condition information is inaccurate or is <em style="font: inherit;">not</em> met.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Since control transfers over time, revenue is recognized based on the extent of progress towards completion of the single performance obligation. Fuel Tech uses the cost-to-cost input measure of progress for our contracts since it best depicts the transfer of assets to the customer which occurs as we incur costs on our contracts. Under the cost-to-cost input measure of progress, the extent of progress towards completion is measured based on the ratio of costs incurred to date to the total estimated costs at completion of the performance obligation. Revenues are recorded proportionally as costs are incurred. Costs to fulfill include all internal and external engineering costs, equipment charges, inbound and outbound freight expenses, internal and site transfer costs, installation charges, purchasing and receiving costs, inspection costs, warehousing costs, project personnel travel expenses and other direct and indirect expenses specifically identified as project- or product-line related, as appropriate (e.g. test equipment depreciation and certain insurance expenses).</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">Fuel Tech’s APC product line also includes ancillary revenue for post contractual goods and services. Revenue associated with these activities are recognized at point in time when delivery of goods or completion of the service obligation is performed.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Fuel Tech normally provides performance guarantees to our customers based on the operating conditions for the project. As part of the project implementation process, we perform system start-up and optimization services that effectively serve as a test of actual project performance. We believe that this test, combined with the accuracy of the modeling that is performed, enables revenue to be recognized prior to the receipt of formal customer acceptance.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><i>FUEL CHEM</i></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><i> </i></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">Revenues from the sale of chemical products are recognized when control transfers to customer upon shipment or delivery of the product based on the applicable shipping terms. We generally recognize revenue for these arrangements at a point in time based on our evaluation of when the customer obtains control of the promised goods or services. </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">On occasion, Fuel Tech will engineer and sell its chemical pumping equipment.  These projects are similar in nature to the APC projects described above and for those projects where control transfers over time, revenue is recognized based on the extent of progress towards completion of the single performance obligation. </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">For projects containing multiple performance obligations, the Company allocates the transaction price based on the estimated standalone selling price. The Company must develop assumptions that require judgment to determine the stand-alone selling price for each performance obligation identified in the contract. The Company utilizes key assumptions to determine the stand-alone selling price, which <em style="font: inherit;"> may </em>include other comparable transactions, pricing considered in negotiating the transaction and the estimated costs. Variable consideration is allocated specifically to <em style="font: inherit;">one</em> or more performance obligations in a contract when the terms of the variable consideration relate to the satisfaction of the performance obligation and the resulting amounts allocated are consistent with the amounts the Company would expect to receive for the satisfaction of each performance obligation.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">The consideration allocated to each performance obligation is recognized as revenue when control is transferred for the related goods or services. For performance obligations which consist of licenses and other promises, the Company utilizes judgment to assess the nature of the combined performance obligation to determine whether the combined performance obligation is satisfied over time or at a point in time and, if over time, the appropriate method of measuring progress. The Company evaluates the measure of progress each reporting period and, if necessary, adjusts the measure of performance and related revenue recognition.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">The Company receives payments from its customers based on billing schedules established in each contract. Up-front payments and fees are recorded as deferred revenue upon receipt or when due until the Company performs its obligations under these arrangements. Amounts are recorded as accounts receivable when the Company’s right to consideration is unconditional.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Cost of Sales</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Cost of sales includes all internal and external engineering costs, equipment and chemical charges, inbound and outbound freight expenses, internal and site transfer costs, installation charges, purchasing and receiving costs, inspection costs, warehousing costs, project personnel travel expenses and other direct and indirect expenses specifically identified as project- or product line-related, as appropriate (e.g., test equipment depreciation and certain insurance expenses). Certain depreciation and amortization expenses related to tangible and intangible assets, respectively, are allocated to cost of sales. We classify shipping and handling costs in cost of sales in the consolidated statements of operations.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Selling, General and Administrative Expenses</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Selling, general and administrative expenses primarily include the following categories except where an allocation to the cost of sales line item is warranted due to the project- or product-line nature of a portion of the expense category: salaries and wages, employee benefits, non-project travel, insurance, legal, rent, accounting and auditing, recruiting, telephony, employee training, Board of Directors’ fees, auto rental, office supplies, dues and subscriptions, utilities, real estate taxes, commissions and bonuses, marketing materials, postage and business taxes. Departments comprising the selling, general and administrative line item primarily include the functions of executive management, finance and accounting, investor relations, regulatory affairs, marketing, business development, information technology, human resources, sales, legal and general administration.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Income Taxes</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The provision for income taxes is determined using the asset and liability approach of accounting for income taxes. Under this approach, the provision for income taxes represents income taxes paid or payable (or received or receivable) for the current year plus the change in deferred taxes during the year. Deferred taxes represent the future tax consequences expected to occur when the reported amounts of assets and liabilities are recovered or paid, and result from differences between the financial and tax bases of our assets and liabilities and are adjusted for changes in tax rates and tax laws when enacted. Valuation allowances are recorded to reduce deferred tax assets when it is more likely than <em style="font: inherit;">not</em> that a tax benefit will <em style="font: inherit;">not</em> be realized. In evaluating the need for a valuation allowance, management considers all potential sources of taxable income, including income available in carryback periods, future reversals of taxable temporary differences, projections of taxable income, and income from tax planning strategies, as well as all available positive and negative evidence. Positive evidence includes factors such as a history of profitable operations, projections of future profitability within the carryforward period, including from tax planning strategies, and our experience with similar operations. Negative evidence includes items such as cumulative losses, projections of future losses, or carryforward periods that are <em style="font: inherit;">not</em> long enough to allow for the utilization of a deferred tax asset based on existing projections of income. Deferred tax assets for which <em style="font: inherit;">no</em> valuation allowance is recorded <em style="font: inherit;"> may </em><em style="font: inherit;">not</em> be realized upon changes in facts and circumstances.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Tax benefits related to uncertain tax positions taken or expected to be taken on a tax return are recorded when such benefits meet a more likely than <em style="font: inherit;">not</em> threshold. Otherwise, these tax benefits are recorded when a tax position has been effectively settled, which means that the statute of limitation has expired or the appropriate taxing authority has completed their examination even though the statute of limitations remains open. Interest and penalties related to uncertain tax positions are recognized as part of the provision for income taxes and are accrued beginning in the period that such interest and penalties would be applicable under relevant tax law until such time that the related tax benefits are recognized.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b>Leases</b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">The Company applies the provisions of ASC <em style="font: inherit;">842,</em> Leases. The Company determines if an arrangement is a lease at inception by evaluating whether the arrangement conveys the right to use an identified asset and whether the Company obtains substantially all of the economic benefits from and has the ability to direct the use of the asset. Right-of-use (ROU) assets and lease liabilities are recognized at the lease commencement date based on the present value of the future minimum lease payments over the lease term. Operating ROU assets also include the impact of any lease incentives. Operating leases are included in right-of-use operating lease assets, operating lease liabilities - current, and operating lease liabilities - non-current on our Consolidated Balance Sheets.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Operating lease ROU assets and operating lease liabilities are recognized based on the present value of the future minimum lease payments over the lease term at commencement date. As most of our leases do <em style="font: inherit;">not</em> provide an implicit rate, we use our incremental borrowing rate based on the information available at commencement date in determining the present value of future payments. The operating lease ROU asset also includes any lease payments made and excludes lease incentives and initial direct costs incurred. Our lease terms <em style="font: inherit;"> may </em>include options to extend or terminate the lease when it is reasonably certain that we will exercise that option. Lease expense for minimum lease payments is recognized on a straight-line basis over the lease term.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">We have lease agreements with lease and non-lease components, and we elected the practical expedient to <em style="font: inherit;">not</em> separate lease and non-lease components for the majority of our leases. For certain equipment leases, such as vehicles, we account for the lease and non-lease components as a single lease component. We also elected the practical expedient for leases with an initial term of <em style="font: inherit;">12</em> months or less.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Stock-Based Compensation</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Our stock-based employee compensation plan, referred to as the Fuel Tech, Inc. <em style="font: inherit;">2014</em> Long-Term Incentive Plan (Incentive Plan), was adopted in <em style="font: inherit;"> May 2014 </em>and allows for awards to be granted to participants in the form of non-qualified stock options, incentive stock options, stock appreciation rights, restricted stock, restricted stock units, performance awards, and bonuses or other forms of share-based or non-share-based awards or combinations thereof. Participants in the Incentive Plan <em style="font: inherit;"> may </em>be our directors, officers, employees, consultants or advisors (except consultants or advisors in capital-raising transactions) as the directors determine are key to the success of our business. There are a maximum of 5,884,076 shares that <em style="font: inherit;"> may </em>be issued or reserved for awards to participants under the Incentive Plan as of <em style="font: inherit;"> December 31, 2023</em>. Based on the existing issued or reserved awards in Incentive Plan, there are 645,650 shares available to be used for future awards to participants in the Incentive Plan as of <em style="font: inherit;"> December 31, 2023</em>.</p> 5884076 645650 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Defined Contribution Plan</b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><span style="background-color:#ffffff;">We have a retirement savings plan available for all our U.S. employees who have met minimum length-of-service requirements. Our contributions are determined based upon amounts contributed by the employees with additional contributions made at the discretion of the Board of Directors. Costs related to this plan were </span>$233<span style="background-color:#ffffff;"> and </span>$200<span style="background-color:#ffffff;"> in </span><em style="font: inherit;">2023</em><span style="background-color:#ffffff;"> and </span><em style="font: inherit;">2022</em><span style="background-color:#ffffff;">, respectively.</span></p> 233000 200000 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Basic and Diluted Earnings per Common Share</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><span style="background-color:#ffffff;">Basic earnings per share excludes the antidilutive effects of stock options, restricted stock units (RSUs), warrants, and the <em style="font: inherit;">nil</em> coupon non-redeemable convertible unsecured loan notes (see Note <em style="font: inherit;">6</em>). Diluted earnings per share includes the dilutive effect of the <em style="font: inherit;">nil</em> coupon non-redeemable convertible unsecured loan notes, RSUs, warrants, and unexercised in-the-money stock options, except in periods of net loss where the effect of these instruments is antidilutive. Out-of-the-money stock options and warrants are excluded from diluted earnings per share because they are unlikely to be exercised and would be anti-dilutive if they were exercised. </span><span style="background-color:#ffffff">At </span><em style="font: inherit;"> December 31, 2023</em><span style="background-color:#ffffff"> and </span><em style="font: inherit;">2022</em><span style="background-color:#ffffff">,</span> basic earnings per share is equal to diluted earnings per share because all outstanding stock awards, warrants, and convertible loan notes are considered anti-dilutive during periods of net loss. <span style="background-color:#ffffff;">At </span><em style="font: inherit;"> December 31, 2023</em><span style="background-color:#ffffff;"> and </span><em style="font: inherit;">2022</em><span style="background-color:#ffffff;">, we had weighted-average outstanding equity awards of </span>390,900<span style="background-color:#ffffff;"> and </span>763,800<span style="background-color:#ffffff;">, respectively, and </span>2,850,000<span style="background-color:#ffffff;"> warrants in both periods, which were antidilutive or represent out-of-the-money options for the purpose of calculation of the diluted earnings per share. As of </span><em style="font: inherit;"> December 31, 2023</em><span style="background-color:#ffffff;"> and </span><em style="font: inherit;">2022</em><span style="background-color:#ffffff;">, </span>246,500<span style="background-color:#ffffff;"> and 42,600 incremental equity awards were antidilutive because of the net loss in the year then ended, respectively. These equity awards could potentially dilute basic EPS in future years.</span></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The table below sets forth the weighted-average shares used at <em style="font: inherit;"> December </em><em style="font: inherit;">31</em> in calculating earnings (loss) per share:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Basic weighted-average shares</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">30,348,000</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">30,289,000</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Conversion of unsecured loan notes</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Unexercised options and unvested restricted stock units</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0); text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0); text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Diluted weighted-average shares</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">30,348,000</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">30,289,000</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> 390900 763800 2850000 246500 42600 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Basic weighted-average shares</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">30,348,000</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">30,289,000</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Conversion of unsecured loan notes</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Unexercised options and unvested restricted stock units</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0); text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0); text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Diluted weighted-average shares</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">30,348,000</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">30,289,000</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> 30348000 30289000 0 0 0 0 30348000 30289000 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Risk Concentrations</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Financial instruments that potentially subject the Company to a significant concentration of credit risk consist primarily of cash and cash equivalents and accounts receivable. The Company maintains deposits in federally insured financial institutions in excess of federally insured limits. However, management believes the Company is <em style="font: inherit;">not</em> exposed to significant credit risk due to the financial position of its primary depository institution where a significant portion of its deposits are held.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">For the year ended <em style="font: inherit;"> December 31, 2023</em>, <span style="background-color:#ffffff;">we had two customers which individually represented greater than <em style="font: inherit;">10%</em> of revenues. </span>These two customers contributed revenues to the FUEL CHEM technology segment. In total these <em style="font: inherit;">two</em> customers represented 36% of consolidated revenues. We h<span style="background-color:#ffffff;">ad <em style="font: inherit;">no</em> customer that accounted for greater than <em style="font: inherit;">10%</em> of our current assets as of </span><em style="font: inherit;"> December 31, 2023</em><span style="background-color:#ffffff;">.</span></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">For the year ended <em style="font: inherit;"> December 31, 2022</em>, we had three customers which individually represented greater than <em style="font: inherit;">10%</em> of revenues. <span style="background-color:#ffffff">Two customers primarily contributed revenues to the FUEL CHEM technology segment and one contributed revenue to the APC technology segment. In total these <em style="font: inherit;">three</em> customers represented 48% of consolidated revenues. </span>We had <em style="font: inherit;">no</em> customer that accounted for greater than <em style="font: inherit;">10%</em> of our current assets as of <em style="font: inherit;"> December 31, 2022</em>.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">We control credit risk through requiring milestone payments on long-term contracts, performing ongoing credit evaluations of its customers, and in some cases obtaining security for payment through bank guarantees and letters of credit.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Our FUEL CHEM technology segment is dependent, in part, upon a supply of magnesium hydroxide. Any adverse changes in the availability of this chemical will likely have an adverse impact on ongoing operation of our FUEL CHEM programs. Our supplier of magnesium hydroxide, Martin Marietta Magnesia Specialties, LLC (MMMS) assures the continuance of a stable supply from MMMS of magnesium hydroxide products for our requirements in the U.S. and Canada. MMMS supplies us with magnesium hydroxide products manufactured pursuant to our specifications and we have agreed to purchase from MMMS, and MMMS has agreed to supply, <em style="font: inherit;">100%</em> of our requirements for such magnesium hydroxide products for our customers who purchase such products for delivery in the U.S. and Canada. There can be <em style="font: inherit;">no</em> assurance that we will be able to obtain a stable source of magnesium hydroxide in markets outside the U.S.</p> 2 2 0.36 3 1 0.48 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Treasury Stock</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">We use the cost method to account for common stock repurchases. During the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, we withheld 0 and 12,497 shares of our common stock, valued at approximately $0 and $17, respectively, to settle personal tax withholding obligations that arose as a result of restricted stock units that vested. Refer to Note <em style="font: inherit;">5,</em> “Treasury Stock,” for further discussion.</p> 0 12497 0 17000 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Recently Issued Accounting Pronouncements</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="text-align: justify; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt;"> </p> <div style="font-size:10pt"> <div style="font-family:'Times New Roman', Times, serif"> In <em style="font: inherit;"> November 2023, </em>the FASB issued ASU <em style="font: inherit;">2023</em>- <em style="font: inherit;">07,</em> Segment Reporting (Topic <em style="font: inherit;">280</em>): Improvements to Reportable Segment Disclosures, which provides guidance for additional disclosures around segment reporting. The standard will become effective for annual periods beginning on <em style="font: inherit;"> January 1, 2024 </em>for Fuel Tech and for interim periods thereafter. Application of the amendments is retrospective. The Company is reviewing the impact of this new pronouncement and expects to incorporate the additional disclosures in the Segment note when the ASU is adopted.  </div> </div> <p style="font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt;"> </p> <p style="text-align: justify; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt;"> </p> <div style="font-size:10pt"> <div style="font-family:'Times New Roman', Times, serif"> In <em style="font: inherit;"> December 2023, </em>the FASB issued ASU <em style="font: inherit;">2023</em>- <em style="font: inherit;">09,</em> Income Taxes (Topic <em style="font: inherit;">740</em>): Improvements to Income Tax Disclosures, which provides guidance for additional disclosures around the tax rate reconciliation and other tax disclosures. The standard will become effective for annual periods beginning on <em style="font: inherit;"> January 1, 2025 </em>for Fuel Tech. Application of the amendments should be applied prospectively but retrospective application is permitted. The Company is reviewing the impact of this new pronouncement and expects to incorporate the additional disclosures in the Tax note when the ASU is adopted.</div></div> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b><em style="font: inherit;">2.</em>     REVENUE RECOGNITION</b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b> </b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><i>Disaggregated Revenue by Product Technology</i></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The following table presents our revenues disaggregated by product technology:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;"><em style="font: inherit;">Twelve Months Ended December 31,</em></em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;"><b>Air Pollution Control</b></p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"><b> </b></td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"><b> </b></td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Technology solutions</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">9,497</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">7,935</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Spare parts</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">2,239</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">911</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Ancillary revenue</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">1,747</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">1,751</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;"><b>Total Air Pollution Control technology</b></p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">13,483</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">10,597</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;"><b>FUEL CHEM</b></p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"><b> </b></td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"><b> </b></td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">FUEL CHEM technology solutions</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">13,598</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">16,344</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;"><b>Total Revenues</b></p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">27,081</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">26,941</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><i>Disaggregated Revenue by Geography</i></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The following table presents our revenues disaggregated by geography, based on the location of the end-user:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;"><em style="font: inherit;">Twelve Months Ended December 31,</em></em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">United States</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">21,062</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">20,311</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;"><b>Foreign Revenues</b></p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"><b> </b></td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"><b> </b></td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Americas</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">577</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">213</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Europe</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">3,064</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">2,888</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Asia</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">2,378</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">3,529</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;"><b>Total Foreign Revenues</b></p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">6,019</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">6,630</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;"><b>Total Revenues</b></p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">27,081</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">26,941</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><i>Timing of Revenue Recognition</i></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The following table presents the timing of our revenue recognition:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;"><em style="font: inherit;">Twelve Months Ended December 31,</em></em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Products transferred at a point in time</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">17,584</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">18,849</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Products and services transferred over time</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">9,497</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">8,092</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;"><b>Total Revenues</b></p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">27,081</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">26,941</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><i>Contract Balances</i></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The timing of revenue recognition, billings and cash collections results in billed accounts receivable, unbilled receivables (contract assets), and customer advances and deposits (contract liabilities) on the Consolidated Balance Sheets. In our APC technology segment, amounts are billed as work progresses in accordance with agreed-upon contractual terms. Generally, billing occurs subsequent to revenue recognition, resulting in contract assets. For the FUEL CHEM technology segment, deliveries made in the current period but billed in subsequent periods are also considered contract assets. These assets are reported on the Consolidated Balance Sheet on a contract-by-contract basis at the end of each reporting period. At <em style="font: inherit;"> December 31, 2023</em>, <em style="font: inherit;">2022</em>, and <em style="font: inherit;">2021</em> contract assets for APC technology projects were approximately $2,285, $3,082, and $1,277, respectively, and are included in accounts receivable on the consolidated balance sheets. There were no contract assets for the FUEL CHEM technology segment as of <em style="font: inherit;"> December 31, 2023</em>, <em style="font: inherit;">2022</em>, and <em style="font: inherit;">2021</em>.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">However, the Company will periodically bill in advance of costs incurred before revenue is recognized, resulting in contract liabilities. These liabilities are reported on the consolidated balance sheet on a contract-by-contract basis at the end of each reporting period. Contract liabilities were $1,279, $372, and $390 at <em style="font: inherit;"> December 31, 2023</em>, <em style="font: inherit;">2022</em>, and <em style="font: inherit;">2021</em>, respectively, and are included in other accrued liabilities on the consolidated balance sheets.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Changes in the contract asset and liability balances during the year ended <em style="font: inherit;"> December 31, 2023</em>, were <em style="font: inherit;">not</em> materially impacted by any other items other than amounts billed and revenue recognized as described previously. Revenue recognized that was included in the contract liability balance at the beginning of the period was $368 and $384 for the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, respectively, which represented primarily revenue from progress toward completion of our APC technology contracts. </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">As of <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em> we had no construction contracts in progress that were identified as a loss contract. </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><i>Remaining Performance Obligations</i></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Remaining performance obligations, represents the transaction price of APC technology booked orders for which work has <em style="font: inherit;">not</em> been performed. As of <em style="font: inherit;"> December 31, 2023</em>, the aggregate amount of the transaction price allocated to remaining performance obligations was $7,458. The Company expects to recognize revenue on approximately $7,389 of the remaining performance obligations over the next 12 months.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><i>Practical Expedients and Exemptions</i></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">We generally expense sales commissions on a ratable basis when incurred because the amortization period would have been <em style="font: inherit;">one</em> year or less. These costs are recorded within selling, general and administrative expenses within the Consolidated Statements of Operations. A practical expedient was elected to <em style="font: inherit;">not</em> recognize shipping and handling costs as a separate performance obligation under ASC <em style="font: inherit;">606.</em></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><i> </i></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><i>Accounts Receivable</i></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><i> </i></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">The components of accounts receivable are as follows:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;"><em style="font: inherit;">As of</em></em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">December 31, 2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">December 31, 2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Trade receivables</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">4,300</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">4,605</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Unbilled receivables</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">2,285</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">3,082</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Other short-term receivables</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">255</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">152</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Allowance for credit losses</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(111</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(110</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Total accounts receivable</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">6,729</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">7,729</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b>  </b></p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;"><em style="font: inherit;">Twelve Months Ended December 31,</em></em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;"><b>Air Pollution Control</b></p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"><b> </b></td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"><b> </b></td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Technology solutions</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">9,497</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">7,935</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Spare parts</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">2,239</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">911</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Ancillary revenue</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">1,747</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">1,751</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;"><b>Total Air Pollution Control technology</b></p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">13,483</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">10,597</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;"><b>FUEL CHEM</b></p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"><b> </b></td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"><b> </b></td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">FUEL CHEM technology solutions</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">13,598</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">16,344</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;"><b>Total Revenues</b></p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">27,081</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">26,941</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> 9497000 7935000 2239000 911000 1747000 1751000 13483000 10597000 13598000 16344000 27081000 26941000 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;"><em style="font: inherit;">Twelve Months Ended December 31,</em></em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">United States</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">21,062</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">20,311</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;"><b>Foreign Revenues</b></p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"><b> </b></td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"><b> </b></td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Americas</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">577</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">213</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Europe</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">3,064</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">2,888</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Asia</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">2,378</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">3,529</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;"><b>Total Foreign Revenues</b></p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">6,019</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">6,630</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;"><b>Total Revenues</b></p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">27,081</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">26,941</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> 21062000 20311000 577000 213000 3064000 2888000 2378000 3529000 6019000 6630000 27081000 26941000 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;"><em style="font: inherit;">Twelve Months Ended December 31,</em></em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Products transferred at a point in time</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">17,584</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">18,849</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Products and services transferred over time</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">9,497</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">8,092</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;"><b>Total Revenues</b></p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">27,081</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">26,941</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> 17584000 18849000 9497000 8092000 27081000 26941000 2285000 3082000 1277000 0 1279000 372000 390000 368000 384000 0 7458000 7389000 P12M <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;"><em style="font: inherit;">As of</em></em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">December 31, 2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">December 31, 2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Trade receivables</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">4,300</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">4,605</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Unbilled receivables</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">2,285</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">3,082</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Other short-term receivables</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">255</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">152</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Allowance for credit losses</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(111</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(110</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Total accounts receivable</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">6,729</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">7,729</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> 4300000 4605000 2285000 3082000 255000 152000 111000 110000 6729000 7729000 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b><em style="font: inherit;">3.</em>     <span style="background-color:#ffffff;">INCOME TAXES</span></b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;"><b> </b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">Within the calculation of the Company’s annual effective tax rate, the Company has used assumptions and estimates that <em style="font: inherit;"> may </em>change as a result of future guidance, interpretation, and rule-making from the Internal Revenue Service, the SEC, and the FASB and/or various other taxing jurisdictions.  For example, the Company anticipates that the state jurisdictions will continue to determine and announce their conformity to the U.S. Tax Act which could have an impact on the annual effective tax rate.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">On <em style="font: inherit;"> August 16, 2022, </em>President Biden signed into law the Inflation Reduction Act (IRA) of <em style="font: inherit;">2022,</em> which, among other things, imposes a new <em style="font: inherit;">15%</em> corporate Alternative Minimum Tax (AMT) based on audited financial statement income ("AFSI") applicable to corporations with a <em style="font: inherit;">three</em>-year average AFSI over <em style="font: inherit;">$1</em> billion. The AMT is effective for the <em style="font: inherit;">2023</em> tax year and, if applicable, corporations must pay the greater of the regular corporate income tax or the AMT. Although NOL carryforwards created through the regular corporate income tax system cannot be used to reduce the AMT, financial statement net operating losses can be used to reduce AFSI and the amount of AMT owed. The IRA of <em style="font: inherit;">2022</em> as enacted requires the U.S. Treasury to provide regulations and other guidance necessary to administer the AMT, including further defining allowable adjustments to determine AFSI, which directly impacts the amount of AMT to be paid. Based on interim guidance issued by the U.S. Treasury in late <em style="font: inherit;"> December 2022, </em>the Company was <em style="font: inherit;">not</em> subject to the AMT in <em style="font: inherit;">2023.</em> Further, the Company believes that it is more likely than <em style="font: inherit;">not</em> it will <em style="font: inherit;">not</em> be subject to the AMT beginning <em style="font: inherit;">2024.</em> The Company continues to evaluate the impacts of the Inflation Reduction Act of <em style="font: inherit;">2022</em> but does <em style="font: inherit;">not</em> expect this legislation to have a material impact on the Company's financial statements.</p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;">For tax years beginning before <em style="font: inherit;"> January 1, 2022, </em>taxpayers can make an election with respect to research and experimental (R&amp;E) expenditures incurred in connection with a trade or business to either currently deduct or defer and amortize such expenditures over a period of <em style="font: inherit;">not</em> less than <em style="font: inherit;">60</em> months. However, the Tax Cuts and Jobs Act of <em style="font: inherit;">2017</em> (TCJA) requires taxpayers to capitalize R&amp;E expenditures effective for taxable years beginning after <em style="font: inherit;"> December 31, 2021. </em>R&amp;E expenditures attributable to US-based research must be amortized over a period of <em style="font: inherit;">5</em> years and R&amp;E expenditures attributable to research conducted outside of the US must be amortized over a period of <em style="font: inherit;">15</em> years. Further, the statute provides that the definition of R&amp;E expenditures includes amounts paid or incurred in connection with the development of any software.  The Company has recorded a deferred tax asset of <em style="font: inherit;">$1,053</em> related to research and experimental expenditures for the year ending <em style="font: inherit;"> December 31, 2023.</em></p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;">The U.S. Tax Cuts and Jobs Act of <em style="font: inherit;">2017,</em> or the Tax Act, imposed a mandatory transition tax on accumulated foreign earnings as of <em style="font: inherit;"> December 31, 2017 </em>and created a new territorial tax system in which we recognize the tax impact of including certain foreign earnings in U.S. taxable income as a period cost. For the years ended <em style="font: inherit;"> December 31, 2023 </em>and <em style="font: inherit;">2022,</em> we incurred income tax expense under the global intangible low-taxed income, or GILTI, provisions and have treated it as a component of income tax expense in the period incurred.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt 14.7pt;text-align:left;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">The components of loss before taxes for the years ended <em style="font: inherit;"> December </em><em style="font: inherit;">31</em> are as follows:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;"><span style="text-decoration: underline; ">Origin of (loss) income before taxes</span></p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">United States</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(1,772</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(1,262</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Foreign</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">303</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(126</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Loss before income taxes</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(1,469</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(1,388</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">Significant components of income tax benefit (expense) for the years ended <em style="font: inherit;"> December </em><em style="font: inherit;">31</em> are as follows:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Current:</p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Federal</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">State</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(19</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(6</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Foreign</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(55</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0); text-align: right;">(10</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Total current</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(74</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(16</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Deferred:</p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Federal</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">2</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">(19</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">State</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">3</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0); text-align: right;">(19</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Total deferred</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">5</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0); text-align: right;">(38</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Income tax expense</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(69</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(54</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">A reconciliation between the provision for income taxes calculated at the U.S. federal statutory income tax rate and the consolidated income tax expense in the consolidated statements of operations for the years ended <em style="font: inherit;"> December </em><em style="font: inherit;">31</em> is as follows:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Provision at the U.S. federal statutory rate</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">21.0</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">21.0</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">%</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">State taxes, net of federal benefit</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">4.7</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">3.1</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">%</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Foreign tax rate differential</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(0.6</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">0.4</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">%</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Valuation allowance</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(4.9</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(48.8</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)%</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Chile outside basis differential</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">—</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">0.4</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">%</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Italy IRES/IREP</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">(3.8</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">)%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">—</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">%</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Accrual to return</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">(5.8</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">)%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">3.1</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">%</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Research and development credit</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">5.4</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">5.9</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">%</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">State rate change</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(1.4</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">9.5</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">%</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Share based compensation</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(6.7</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">3.3</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">%</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;;">Other Deferred true up</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">(6.6</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">)%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">—</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">%</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Global Intangible Low-Taxed Income (GILTI) inclusion</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(4.4</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">%</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Other</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(1.7</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(1.8</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)%</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Income tax (expense) benefit effective rate</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(4.8</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(3.9</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)%</td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The deferred tax assets and liabilities at <em style="font: inherit;"> December </em><em style="font: inherit;">31</em> are as follows:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Deferred tax assets:</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Stock compensation expense</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">250</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">272</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Goodwill</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">182</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Royalty accruals</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">10</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">10</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Bad debt allowance</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">52</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">53</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Net operating loss carryforwards</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">12,048</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">12,158</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Credit carry-forwards</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1,134</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1,058</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Inventory reserve</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">153</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">233</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Depreciation</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">548</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">585</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; text-indent: 18pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Research and Development Costs</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">1,053</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">528</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Other</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">606</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">471</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 9pt;">Total deferred tax assets</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">15,854</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">15,550</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Deferred tax liabilities:</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Goodwill</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">(238</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Intangible assets</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(89</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(100</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 9pt;">Total deferred tax liabilities</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(327</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(100</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Net deferred tax asset before valuation allowance</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">15,527</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">15,450</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Valuation allowances for deferred tax assets</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(15,699</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(15,627</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Net deferred tax liability</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(172</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(177</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The change in the valuation allowance for deferred tax assets for the years ended <em style="font: inherit;"> December </em><em style="font: inherit;">31</em> is as follows:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 52%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">Year</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">Balance at January 1</em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Charged to costs and expenses</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">(Deductions)/Other</em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Balance at December 31</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2022</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">14,950</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">677</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">15,627</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">2023</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">15,627</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">72</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">15,699</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><span style="background-color:#ffffff;">For the years ended </span><em style="font: inherit;"> December 31, 2023</em><span style="background-color:#ffffff;"> and </span><em style="font: inherit;">2022</em><span style="background-color:#ffffff;">, there were $42 and $0 exercises of stock options, respectively.</span></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">As required by ASC <em style="font: inherit;">740,</em> we recognize the financial statement benefit of a tax position only after determining that the relevant tax authority would more likely than <em style="font: inherit;">not</em> sustain the position following an audit. For tax positions meeting the more-likely-than-<em style="font: inherit;">not</em> threshold, the amount recognized in the financial statements is the largest benefit that has a greater than <em style="font: inherit;">50%</em> likelihood of being realized upon ultimate settlement with the relevant tax authority.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The table below sets forth a reconciliation of the beginning and ending amount of unrecognized tax benefit.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr class="finHeading" style="vertical-align: bottom; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 52%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; font-variant: normal; margin: 0pt;"><span style="text-decoration: underline; ">Year</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; font-variant: normal; text-align: center; margin: 0pt;">Balance at January 1</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; font-variant: normal; text-align: center; margin: 0pt;">Change in positions taken in a current period</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; font-variant: normal; text-align: center; margin: 0pt;">Balance at December 31</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="vertical-align: bottom; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; background-color: rgb(204, 238, 255);"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; font-variant: normal; margin: 0pt;">2022</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">265</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">28</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">293</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="vertical-align: bottom; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; background-color: rgb(255, 255, 255);"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; font-variant: normal; margin: 0pt;">2023</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">293</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">33</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">326</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">We recognize interest and penalties related to unrecognized tax benefits in income tax expense for all periods presented. There were no interest and penalties recognized in income tax expense during the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>. There were <em style="font: inherit;">no</em> unrecognized tax benefits as of <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>. There is unrecognized tax benefit of $326 and $293 for the years ended <em style="font: inherit;"> December 31, 2023 </em>and <em style="font: inherit;">2022,</em> respectively, that would impact the future effective tax rate, if recognized.  We believe the unrecognized tax benefit will change in the next <em style="font: inherit;">twelve</em> months, either due to the generation or utilization of research and development credits.  We are unable to estimate the amount of change.  Tax years <em style="font: inherit;"> December 31, 2014 </em>through <em style="font: inherit;"> December 31, 2023 </em>remain open to assessment related to the unrecognized tax benefit.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">We are subject to taxation in the U.S., various states, and in non-U.S. jurisdictions. Our U.S. income tax returns are primarily subject to examination from <em style="font: inherit;">2020</em> through <em style="font: inherit;">2022;</em> however, U.S. tax authorities also have the ability to review prior tax years to the extent loss carryforwards and tax credit carryforwards are utilized. The open years for the non-U.S. tax returns range from <em style="font: inherit;">2015</em> through <em style="font: inherit;">2022</em> based on local statutes.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt 7.2pt;text-align:left;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">Management periodically estimates our probable tax obligations using historical experience in tax jurisdictions and informed judgments. There are inherent uncertainties related to the interpretation of tax regulations in the jurisdictions in which we transact business. The judgments and estimates made at a point in time <em style="font: inherit;"> may </em>change based on the outcome of tax audits, as well as changes to or further interpretations of regulations. If such changes take place, there is a risk that the tax rate <em style="font: inherit;"> may </em>increase or decrease in any period. Tax accruals for tax liabilities related to potential changes in judgments and estimates for both federal and state tax issues are included in current liabilities on the consolidated balance sheet.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">The investment in foreign subsidiaries other than Fuel Tech S.p.A (Chile) and Beijing Fuel Tech is considered to be indefinite in duration and therefore we have <em style="font: inherit;">not</em> provided a provision for deferred U.S. income taxes on the unremitted earnings from those subsidiaries. A provision has <em style="font: inherit;">not</em> been established because it is <em style="font: inherit;">not</em> practicable to determine the amount of unrecognized deferred tax liability for such unremitted foreign earnings and because it is our present intention to reinvest the undistributed earnings indefinitely.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;"> As required by ASC <em style="font: inherit;">740,</em> a valuation allowance must be established when it is more likely than <em style="font: inherit;">not</em> that all or a portion of a deferred tax asset will <em style="font: inherit;">not</em> be realized. We have approximately $27,953 of U.S. net operating loss carryforwards available to offset future U.S. taxable income as of <em style="font: inherit;"> December 31, 2023.  </em>The net operating loss carry-forwards related to tax losses generated in years ending <em style="font: inherit;"> December 31, 2018 </em>and before in the U.S. totaling $10,733 begin to expire in <em style="font: inherit;">2036.</em>  Further, we have tax loss carry-forwards of approximately $6,373 available to offset future foreign income in Italy as of <em style="font: inherit;"> December 31, 2023. </em>We have recorded a full valuation allowance against the deferred tax asset because we cannot anticipate when or if this entity will have taxable income sufficient to utilize the net operating losses in the future. There is <em style="font: inherit;">no</em> expiration of the net operating loss carry-forwards related to tax losses generated in prior years in Italy. Finally, we have tax loss carry-forwards of approximately $13,735 available to offset future foreign income in China as of <em style="font: inherit;"> December 31, 2023. </em></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">As of <em style="font: inherit;"> December 31, 2019, </em>the investment in Fuel Tech S.p.A (Chile) was <em style="font: inherit;">no</em> longer considered to be indefinite and a provision for deferred U.S. income taxes was recorded. As of <em style="font: inherit;"> December 31, 2022, </em>the provision for deferred U.S. income taxes related to the Fuel Tech S.p.A (Chile) investment was $151. As of <em style="font: inherit;"> December 31, 2023, </em>Fuel Tech S.p.A (Chile) was still included in continuing operations. As a result an additional ($2) was recorded, adjusting the total consideration to $149. The deferred income taxes associated with this investment are offset by a valuation allowance of ($149).</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;"><span style="text-decoration: underline; ">Origin of (loss) income before taxes</span></p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">United States</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(1,772</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(1,262</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Foreign</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">303</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(126</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Loss before income taxes</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(1,469</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(1,388</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td></tr> </tbody></table> -1772000 -1262000 303000 -126000 -1469000 -1388000 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Current:</p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Federal</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">State</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(19</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(6</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Foreign</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(55</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0); text-align: right;">(10</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Total current</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(74</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(16</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Deferred:</p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Federal</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">2</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">(19</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">State</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">3</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0); text-align: right;">(19</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Total deferred</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">5</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0); text-align: right;">(38</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Income tax expense</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(69</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(54</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td></tr> </tbody></table> -0 -0 19000 6000 55000 10000 74000 16000 -2000 19000 -3000 19000 -5000 38000 69000 54000 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Provision at the U.S. federal statutory rate</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">21.0</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">21.0</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">%</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">State taxes, net of federal benefit</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">4.7</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">3.1</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">%</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Foreign tax rate differential</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(0.6</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">0.4</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">%</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Valuation allowance</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(4.9</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(48.8</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)%</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Chile outside basis differential</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">—</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">0.4</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">%</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Italy IRES/IREP</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">(3.8</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">)%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">—</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">%</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Accrual to return</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">(5.8</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">)%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">3.1</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">%</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Research and development credit</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">5.4</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">5.9</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">%</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">State rate change</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(1.4</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">9.5</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">%</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Share based compensation</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(6.7</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">3.3</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">%</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;;">Other Deferred true up</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">(6.6</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">)%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">—</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding: 0; margin: 0">%</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Global Intangible Low-Taxed Income (GILTI) inclusion</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">(4.4</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">)%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">%</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Other</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(1.7</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(1.8</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)%</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Income tax (expense) benefit effective rate</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(4.8</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)%</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(3.9</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)%</td></tr> </tbody></table> 0.21 0.21 -0.047 -0.031 0.006 -0.004 0.049 0.488 0 0.004 -0.038 0 -0.058 0.031 -0.054 -0.059 0.014 -0.095 -0.067 0.033 -0.066 0 0.044 -0 0.017 0.018 0.048 0.039 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Deferred tax assets:</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Stock compensation expense</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">250</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">272</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Goodwill</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">182</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Royalty accruals</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">10</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">10</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Bad debt allowance</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">52</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">53</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Net operating loss carryforwards</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">12,048</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">12,158</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Credit carry-forwards</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1,134</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1,058</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Inventory reserve</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">153</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">233</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Depreciation</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">548</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">585</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; text-indent: 18pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Research and Development Costs</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">1,053</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">528</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Other</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">606</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">471</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 9pt;">Total deferred tax assets</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">15,854</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">15,550</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Deferred tax liabilities:</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Goodwill</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">(238</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Intangible assets</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(89</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(100</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 9pt;">Total deferred tax liabilities</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(327</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(100</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Net deferred tax asset before valuation allowance</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">15,527</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">15,450</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 18pt;">Valuation allowances for deferred tax assets</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(15,699</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(15,627</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Net deferred tax liability</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(172</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(177</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td></tr> </tbody></table> 250000 272000 0 182000 10000 10000 52000 53000 12048000 12158000 1134000 1058000 153000 233000 548000 585000 1053000 528000 606000 471000 15854000 15550000 238000 -0 89000 100000 327000 100000 15527000 15450000 15699000 15627000 172000 177000 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 52%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">Year</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">Balance at January 1</em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Charged to costs and expenses</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">(Deductions)/Other</em></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Balance at December 31</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2022</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">14,950</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">677</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">15,627</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">2023</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">15,627</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">72</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">15,699</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> </tbody></table> 14950000 677000 0 15627000 15627000 72000 0 15699000 42000 0 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr class="finHeading" style="vertical-align: bottom; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 52%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; font-variant: normal; margin: 0pt;"><span style="text-decoration: underline; ">Year</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; font-variant: normal; text-align: center; margin: 0pt;">Balance at January 1</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; font-variant: normal; text-align: center; margin: 0pt;">Change in positions taken in a current period</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; font-variant: normal; text-align: center; margin: 0pt;">Balance at December 31</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="vertical-align: bottom; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; background-color: rgb(204, 238, 255);"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; font-variant: normal; margin: 0pt;">2022</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">265</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">28</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">293</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="vertical-align: bottom; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; background-color: rgb(255, 255, 255);"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; font-variant: normal; margin: 0pt;">2023</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">293</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">33</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">326</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> </tbody></table> 265000 28000 293000 293000 33000 326000 0 326000 293000 27953000 10733000 6373000 13735000 151000 -2000 149000 -149000 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b><em style="font: inherit;">4.</em>     COMMON STOCK</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">At <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, respectively, we had 31,361,303 and 31,272,303 shares of common stock issued and 30,385,297 and 30,296,297 outstanding, with an additional 6,715 shares reserved for issuance upon conversion of the <em style="font: inherit;">nil</em> coupon non-redeemable convertible unsecured loan notes (see Note <em style="font: inherit;">6</em>). As of <em style="font: inherit;"> December 31, 2023</em>, we had 5,600,676 shares reserved for issuance upon the exercise or vesting of equity awards, of which 270,500 are stock options that are currently exercisable (see Note <em style="font: inherit;">8</em>).</p> 31361303 31272303 30385297 30296297 6715 5600676 270500 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b><em style="font: inherit;">5.</em>     TREASURY STOCK</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Common stock held in treasury totaled 976,006 and 976,006 with a cost of $2,251 and $2,251 at <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, respectively. These shares were withheld from employees to settle personal tax withholding obligations that arose as a result of restricted stock units that vested during the periods presented.</p> 976006 976006 2251000 2251000 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b><em style="font: inherit;">6.</em></b>     <b><em style="font: inherit;">NIL</em> COUPON NON-REDEEMABLE CONVERTIBLE UNSECURED LOAN NOTES</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">At <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, we had a principal amount of $76 of <span style="-sec-ix-hidden:c108374258">nil</span> coupon non-redeemable convertible unsecured perpetual loan notes (Loan Notes) outstanding. The Loan Notes are convertible at any time into common stock at rates of $6.50 and $11.43 per share, depending on the note. As of <em style="font: inherit;"> December 31, 2023</em>, the <em style="font: inherit;">nil</em> coupon loan notes were convertible into 6,715 shares of common stock. Based on our closing stock price of $1.05 at <em style="font: inherit;"> December 31, 2023</em>, the aggregate fair value of the common stock that the holders would receive if all the loan notes were converted would be approximately $7, which is less than the principal amount of the loans outstanding as of that date. The Loan Notes bear no interest and have <em style="font: inherit;">no</em> maturity date. They are repayable in the event of our dissolution and the holders do <em style="font: inherit;">not</em> have the option to cash-settle the notes. Accordingly, they have been classified within stockholders’ equity in the accompanying balance sheets. The notes do <em style="font: inherit;">not</em> hold distribution or voting rights unless and until converted into common stock.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">For the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, there were no Loan Notes repurchased by the Company.</p> 76000 6.5 11.43 6715 1.05 7000 0 0 <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;"><b><em style="font: inherit;">7.</em> WARRANTS</b></p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;">On <em style="font: inherit;"> February 11, 2021, </em>Fuel Tech entered into a securities purchase agreement to issue and sell, in a private placement, 5,000,000 shares of common stock and 2,500,000 warrants exercisable for a total of 2,500,000 shares of common stock with an exercise price of $5.10 per Warrant Share, at a purchase price of $5.1625 per Share and associated warrant. The Warrants expire on the <span style="-sec-ix-hidden:c108374279">five</span> and <em style="font: inherit;">one</em>-half year anniversary of the effective date of the registration statement registering the Warrant Shares for resale.  In addition, the Company issued to the placement agent Warrants to purchase up to 350,000 shares of common stock.  The Placement Agent Warrants are exercisable at an exercise price of $6.45 per share of common stock and expire on the <span style="-sec-ix-hidden:c108374284">five</span> and <em style="font: inherit;">one</em>-half year anniversary of the effective date of the registration statement registering the Shares and the Warrant Shares for resale.</p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;">The issuance of warrants to purchase shares of the Company's common stock are summarized as follows:</p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Shares</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Outstanding as of December 31, 2022</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">2,850,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Granted</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Exercised</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0); text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Outstanding as of December 31, 2023</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">2,850,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">The following table summarizes information about warrants outstanding and exercisable at <em style="font: inherit;"> December 31, 2023</em>:</p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Number</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Weighted-Average</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Outstanding/</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Remaining Life</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Weighted-Average</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td colspan="2" style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;"><em style="font: inherit;">Range of Exercise Price</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Exercisable</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">in Years</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Exercise Price</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"><em style="font: inherit;">5.10</em></td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">2,500,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">2.62</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">5.10</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"><em style="font: inherit;">6.45</em></td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">350,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">2.62</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">6.45</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">2,850,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> 5000000 2500000 2500000 5.1 5.1625 350000 6.45 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Shares</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Outstanding as of December 31, 2022</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">2,850,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Granted</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Exercised</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0); text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Outstanding as of December 31, 2023</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">2,850,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> 2850000 0 0 2850000 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Number</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Weighted-Average</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Outstanding/</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Remaining Life</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Weighted-Average</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td colspan="2" style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;"><em style="font: inherit;">Range of Exercise Price</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Exercisable</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">in Years</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Exercise Price</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"><em style="font: inherit;">5.10</em></td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">2,500,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">2.62</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">5.10</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"><em style="font: inherit;">6.45</em></td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">350,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">2.62</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">6.45</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">2,850,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px;"> </td></tr> </tbody></table> 2500000 P2Y7M13D 5.1 350000 P2Y7M13D 6.45 2850000 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b><em style="font: inherit;">8.</em>     STOCK-BASED COMPENSATION</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Under our stock-based employee compensation plan, referred to as the Fuel Tech, Inc. <em style="font: inherit;">2014</em> Long-Term Incentive Plan (Incentive Plan), awards <em style="font: inherit;"> may </em>be granted to participants in the form of Non-Qualified Stock Options, Incentive Stock Options, Stock Appreciation Rights, Restricted Stock, RSUs, Performance Awards, Bonuses or other forms of share-based or non-share-based awards or combinations thereof. Participants in the Incentive Plan <em style="font: inherit;"> may </em>be our directors, officers, employees, consultants or advisors (except consultants or advisors in capital-raising transactions) as the directors determine are key to the success of our business. There are a maximum of 5,884,076 shares that <em style="font: inherit;"> may </em>be issued or reserved for awards to participants under the Incentive Plan. At <em style="font: inherit;"> December 31, 2023</em>, we had 645,650 equity awards available for issuance under the Incentive Plan.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">We did <span style="-sec-ix-hidden:c108374327"><span style="-sec-ix-hidden:c108374392">not</span></span> record any excess tax benefits within income tax expense for the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>. Given the Company has a full valuation allowance on its deferred tax assets, there were <em style="font: inherit;">no</em> excess tax benefits to record. In addition, we account for forfeitures of awards based on an estimate of the number of awards expected to be forfeited and adjusting the estimate when it is <em style="font: inherit;">no</em> longer probable that the employee will fulfill the service condition.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Stock-based compensation is included in selling, general and administrative costs in our consolidated statements of operations. The components of stock-based compensation from continuing operations for the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em> were as follows:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;"><em style="font: inherit;">For the Year Ended December 31,</em></em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Stock options and restricted stock units, net of forfeitures</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">389</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">224</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">After-tax effect of stock based compensation</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">389</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">224</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Stock Options</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The stock options granted to employees under the Incentive Plan have a 10-year life and they vest as follows: 50% after the <em style="font: inherit;">second</em> anniversary of the award date, 25% after the <em style="font: inherit;">third</em> anniversary, and the final 25% after the <em style="font: inherit;">fourth</em> anniversary of the award date. Fuel Tech calculates stock compensation expense for employee option awards based on the grant date fair value of the award, less expected annual forfeitures, and recognizes expense on a straight-line basis over the <em style="font: inherit;">four</em>-year service period of the award. Stock options granted to members of our Board of Directors vest immediately. Stock compensation for these awards is based on the grant date fair value of the award and is recognized in expense immediately. </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Fuel Tech uses the Black-Scholes option pricing model to estimate the grant date fair value of employee stock options. The principal variable assumptions utilized in valuing options and the methodology for estimating such model inputs include: (<em style="font: inherit;">1</em>) risk-free interest rate – an estimate based on the yield of zero–coupon treasury securities with a maturity equal to the expected life of the option; (<em style="font: inherit;">2</em>) expected volatility – an estimate based on the historical volatility of Fuel Tech’s common stock for a period equal to the expected life of the option; and (<em style="font: inherit;">3</em>) expected life of the option – an estimate based on historical experience including the effect of employee terminations.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">There were no stock options granted during the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The following table presents a summary of our stock option activity and related information for the years ended <em style="font: inherit;"> December </em><em style="font: inherit;">31:</em></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;"><em style="font: inherit;">2023</em></em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;"><em style="font: inherit;">2022</em></em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Number of Options</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">Weighted-Average Exercise Price</em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Number of Options</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">Weighted-Average Exercise Price</em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; width: 52%;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Outstanding at beginning of year</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">384,500</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">2.98</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">434,500</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">3.05</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Granted</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Exercised</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">(44,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">0.96</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Expired or forfeited</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(70,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">3.85</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(50,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">3.55</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Outstanding at end of year</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">270,500</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">3.09</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">384,500</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">2.98</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Exercisable at end of year</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">270,500</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">3.09</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">384,500</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">2.98</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Weighted-Average Remaining Contractual Life (years)</p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">1.56</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">2.43</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Aggregate Intrinsic Value</p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">4</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">27</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The aggregate intrinsic value in the preceding table represents the total pretax intrinsic value, based on our closing stock price of $1.05 as of <em style="font: inherit;"> December 31, 2023</em>, which would have been received by the option holders had those options holders exercised their stock options as of that date. </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The following table summarizes information about stock options outstanding at <em style="font: inherit;"> December 31, 2023</em>:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td colspan="12" style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: thin solid rgb(0, 0, 0);"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;"><b>Options Outstanding and Exercisable</b></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 25%; border-bottom: thin solid rgb(0, 0, 0);"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;"><b>Range of Exercise Prices</b></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><b>Number of Options</b></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><b>Weighted-Average Remaining Contractual Life (years)</b></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><b>Weighted-Average Exercise Price</b></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;">$0.96 - $1.27</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><span style="-sec-ix-hidden:c108376135"> </span></td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><span style="-sec-ix-hidden:c108376136"> </span></td><td style="width: 22%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">44,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 22%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; text-align: center;">3.9</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 22%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">0.97</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;">$1.28 - $2.01</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><span style="-sec-ix-hidden:c108376140"> </span></td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><span style="-sec-ix-hidden:c108376141"> </span></td><td style="width: 22%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">27,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 22%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; text-align: center;">2.4</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 22%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1.58</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; text-align: center; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">$2.02 - $3.83</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"><span style="-sec-ix-hidden:c108376145"> </span></td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"><span style="-sec-ix-hidden:c108376146"> </span></td><td style="width: 22%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">105,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 22%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; text-align: center; padding: 0; margin: 0">1.4</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 22%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">2.44</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;">$3.84 - $5.22</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"><span style="-sec-ix-hidden:c108376150"> </span></td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"><span style="-sec-ix-hidden:c108376151"> </span></td><td style="width: 22%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">94,500</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 22%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; text-align: center;">0.4</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 22%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">5.22</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px;"><em style="font: inherit;"> </em></td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);"><em style="font: inherit;"> </em></td><td style="width: 22%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">270,500</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 22%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; text-align: center;">1.6</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 22%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">3.09</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">As of and for the <em style="font: inherit;"> 12 months ended</em> <em style="font: inherit;"> December 31, 2023</em>, there was <em style="font: inherit;">no</em> non-vested stock option activity and no total unrecognized compensation cost related to non-vested stock options granted under the Incentive Plan. Fuel Tech received proceeds of $42 and $0 from the exercise of stock options in the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>., respectively.  It is our policy to issue new shares upon option exercises, loan conversions, and vesting of restricted stock units. We have <em style="font: inherit;">not</em> used cash and do <em style="font: inherit;">not</em> anticipate any future use of cash to settle equity instruments granted under share-based payment arrangements. Shares received for exercise of stock options come from newly issued shares. </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Restricted Stock Units</b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">RSUs granted to employees vest over time based on continued service (typically vesting over a period between <span style="-sec-ix-hidden:c108374355">two</span> to <span style="-sec-ix-hidden:c108374356">four</span> years), and RSUs granted to directors vest after a <em style="font: inherit;">one</em> year vesting period based on continued service. Such time-vested RSUs are valued at the date of grant based on the closing price of the Common Shares on the grant date. Compensation cost, adjusted for estimated forfeitures, is amortized on a straight-line basis over the requisite service period. </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">In addition to the time vested RSUs, the Company entered into a <em style="font: inherit;">2023</em> Executive Performance RSU Award Agreement (the <em style="font: inherit;">“2023</em> Agreement”) with certain officers, including its President and Chief Executive Officer, Chief Financial Officer and Senior Vice President, Sales (each a <em style="font: inherit;">“2023</em> Participating Executive”) pursuant to which each <em style="font: inherit;">2023</em> Participating Executive will have the opportunity to earn a specified amount of RSUs based on Fuel Tech’s performance in <em style="font: inherit;">2023</em> and <em style="font: inherit;">2024.</em> The target amount of RSUs for each of <em style="font: inherit;">four</em> possible RSU award components is set for each Participating Executive for <em style="font: inherit;">2023</em> and <em style="font: inherit;">2024.</em> The amount, if any, of actual RSU awards to be issued is contingent on performance by the Participating Executive and the Company in the performance areas and for the measurement periods set forth in the Agreement as determined by the Company.</p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;">The Agreement provides for <em style="font: inherit;">four</em> possible RSU awards: “Look-Back RSUs,” “Total Revenue RSUs,” “New Business Growth RSUs,” and “Operating Income Growth” RSUs. If the Look-Back RSU’s are awarded, these RSUs will follow a vesting schedule that provides for vesting of <span style="-sec-ix-hidden:c108374368">one</span>-<em style="font: inherit;">third</em> of the granted Look-Back RSUs after the <em style="font: inherit;">first</em> anniversary of the grant determination date, <span style="-sec-ix-hidden:c108374371">one</span>-<em style="font: inherit;">third</em> after the <em style="font: inherit;">second</em> anniversary date and <span style="-sec-ix-hidden:c108374374">one</span>-<em style="font: inherit;">third</em> after the <em style="font: inherit;">third</em> anniversary date. If the Total Revenue RSUs, New Business Growth RSUs, or Operating Income Growth RSUs targets are achieved, these RSU’s will follow a vesting schedule whereby 100% of the granted RSUs will vest <em style="font: inherit;">one</em> year following the grant determination date. All RSUs are valued at the date of grant based on the closing price of the Company’s common stock on the grant date.</p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt 0pt 0pt 8pt;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">During the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>, there were 45,000 and 45,003 restricted stock units that vested with a grant date fair value of $62 and $68, respectively. As of <em style="font: inherit;"> December 31, 2023</em>, there was $2,807 of total unrecognized compensation cost related to all non-vested share-based compensation arrangements granted under the Incentive Plan. That cost is expected to be recognized over the remaining requisite service period of 1.7 years.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">A summary of restricted stock unit activity for the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em> is as follows:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><b><em style="font: inherit;">Shares</em></b></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><b><em style="font: inherit;">Weighted Average Grant Date Fair Value</em></b></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Unvested restricted stock units at December 31, 2021</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">45,003</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1.51</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Granted</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">807,048</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">1.32</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Forfeited</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(40,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1.32</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Vested</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(45,003</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">1.51</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Unvested restricted stock units at December 31, 2022</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">767,048</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1.32</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Granted</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">1,040,200</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">1.26</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Forfeited</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Vested</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(45,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">1.37</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Unvested restricted stock units at December 31, 2023</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1,762,248</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1.29</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b>Deferred Directors Fees</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">In addition to the Incentive Plan, Fuel Tech has a Deferred Compensation Plan for Directors (Deferred Plan). Under the terms of the Deferred Plan, Directors can elect to defer Directors’ fees for shares of Fuel Tech common stock that are issuable at a future date as defined in the agreement. In accordance with ASC <em style="font: inherit;">718,</em> Fuel Tech accounts for these awards as equity awards as opposed to liability awards. In <em style="font: inherit;">2023</em> and <em style="font: inherit;">2022</em>, there was no stock-based compensation expense under the Deferred Plan.</p> 5884076 645650 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;"><em style="font: inherit;">For the Year Ended December 31,</em></em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Stock options and restricted stock units, net of forfeitures</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">389</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">224</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">After-tax effect of stock based compensation</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">389</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">224</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> 389000 224000 389000 224000 P10Y 0.50 0.25 0.25 0 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;"><em style="font: inherit;">2023</em></em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;"><em style="font: inherit;">2022</em></em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Number of Options</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">Weighted-Average Exercise Price</em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">Number of Options</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">Weighted-Average Exercise Price</em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; width: 52%;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Outstanding at beginning of year</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">384,500</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">2.98</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">434,500</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">3.05</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Granted</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Exercised</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">(44,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">0.96</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Expired or forfeited</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(70,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">3.85</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(50,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">3.55</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Outstanding at end of year</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">270,500</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">3.09</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">384,500</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">2.98</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Exercisable at end of year</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">270,500</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">3.09</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">384,500</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">2.98</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Weighted-Average Remaining Contractual Life (years)</p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">1.56</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">2.43</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Aggregate Intrinsic Value</p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">4</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">27</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> </tbody></table> 384500 2.98 434500 3.05 0 0 0 0 44000 0.96 -0 0 70000 3.85 50000 3.55 270500 3.09 384500 2.98 270500 3.09 384500 2.98 P1Y6M21D P2Y5M4D 4000 27000 1.05 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td colspan="12" style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: thin solid rgb(0, 0, 0);"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;"><b>Options Outstanding and Exercisable</b></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 25%; border-bottom: thin solid rgb(0, 0, 0);"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;"><b>Range of Exercise Prices</b></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><b>Number of Options</b></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><b>Weighted-Average Remaining Contractual Life (years)</b></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><b>Weighted-Average Exercise Price</b></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;">$0.96 - $1.27</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><span style="-sec-ix-hidden:c108376135"> </span></td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><span style="-sec-ix-hidden:c108376136"> </span></td><td style="width: 22%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">44,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 22%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; text-align: center;">3.9</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 22%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">0.97</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;">$1.28 - $2.01</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><span style="-sec-ix-hidden:c108376140"> </span></td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"><span style="-sec-ix-hidden:c108376141"> </span></td><td style="width: 22%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">27,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 22%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; text-align: center;">2.4</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 22%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1.58</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; text-align: center; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">$2.02 - $3.83</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"><span style="-sec-ix-hidden:c108376145"> </span></td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"><span style="-sec-ix-hidden:c108376146"> </span></td><td style="width: 22%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">105,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 22%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; text-align: center; padding: 0; margin: 0">1.4</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 22%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">2.44</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;">$3.84 - $5.22</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"><span style="-sec-ix-hidden:c108376150"> </span></td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"><span style="-sec-ix-hidden:c108376151"> </span></td><td style="width: 22%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">94,500</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 22%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; text-align: center;">0.4</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 22%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">5.22</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px;"><em style="font: inherit;"> </em></td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);"><em style="font: inherit;"> </em></td><td style="width: 22%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">270,500</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 22%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; text-align: center;">1.6</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 22%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">3.09</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> </tbody></table> 44000 P3Y10M24D 0.97 27000 P2Y4M24D 1.58 105000 P1Y4M24D 2.44 94500 P0Y4M24D 5.22 270500 P1Y7M6D 3.09 0 42000 0 1 45000 45003 62000 68000 2807000 P1Y8M12D <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><b><em style="font: inherit;">Shares</em></b></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><b><em style="font: inherit;">Weighted Average Grant Date Fair Value</em></b></td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Unvested restricted stock units at December 31, 2021</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">45,003</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1.51</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Granted</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">807,048</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">1.32</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Forfeited</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(40,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1.32</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Vested</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(45,003</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">1.51</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Unvested restricted stock units at December 31, 2022</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">767,048</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1.32</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">Granted</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">1,040,200</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">1.26</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Forfeited</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Vested</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(45,000</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">1.37</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Unvested restricted stock units at December 31, 2023</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1,762,248</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">1.29</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> </tbody></table> 45003 1.51 807048 1.32 40000 1.32 45003 1.51 767048 1.32 1040200 1.26 -0 0 45000 1.37 1762248 1.29 0 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b><em style="font: inherit;">9.</em>     COMMITMENTS AND CONTINGENCIES</b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b> </b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Fuel Tech is subject to various claims and contingencies related to, among other things, workers compensation, general liability (including product liability), and lawsuits. The Company records liabilities where a contingent loss is probable and can be reasonably estimated. If the reasonable estimate of a probable loss is a range, the Company records the most probable estimate of the loss or the minimum amount when <em style="font: inherit;">no</em> amount within the range is a better estimate than any other amount. The Company discloses a contingent liability even if the liability is <em style="font: inherit;">not</em> probable or the amount is <em style="font: inherit;">not</em> estimable, or both, if there is a reasonable possibility that a material loss <em style="font: inherit;"> may </em>have been incurred.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">From time to time we are involved in litigation with respect to matters arising from the ordinary conduct of our business. In the opinion of management, based upon presently available information, either adequate provision for anticipated costs have been accrued or the ultimate anticipated costs will <em style="font: inherit;">not</em> materially affect our consolidated financial position, results of operations, or cash flows. We do <em style="font: inherit;">not</em> believe we have any pending loss contingencies that are probable or reasonably possible of having a material impact on our consolidated financial position, results of operations or cash flows.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Performance Guarantees</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The majority of Fuel Tech’s long-term equipment construction contracts contain language guaranteeing that the performance of the system that is being sold to the customer will meet specific criteria. On occasion, performance surety bonds and bank performance guarantees/letters of credit are issued to the customer in support of the construction contracts as follows:</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <table border="0" cellpadding="0" cellspacing="0" style="width:100%;font-family:'Times New Roman', Times, serif;font-size:10pt;"><tbody><tr><td style="width:18pt;"> </td><td style="width:18pt;vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: left; font-size: 10pt;">•</p> </td><td style="vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: left; font-size: 10pt;">in support of the warranty period defined in the contract; or</p> </td></tr> </tbody></table> <table border="0" cellpadding="0" cellspacing="0" style="width:100%;font-family:'Times New Roman', Times, serif;font-size:10pt;"><tbody><tr><td style="width:18pt;"> </td><td style="width:18pt;vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: left; font-size: 10pt;">•</p> </td><td style="vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: left; font-size: 10pt;">in support of the system performance criteria that are defined in the contract.</p> </td></tr> </tbody></table> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">As of <em style="font: inherit;"> December 31, 2023</em>, we had outstanding bank performance guarantees and letters of credit in the amount of $904 in support of equipment construction contracts that have <em style="font: inherit;">not</em> completed their final acceptance test or that are still operating under a warranty period. The performance guarantees and letters of credit expire in dates ranging from <em style="font: inherit;"> March 2024 </em>through <em style="font: inherit;"> November 2025. </em>The expiration dates <em style="font: inherit;"> may </em>be extended if the project completion dates are extended. Our management believes it is probable that these projects will be successfully completed and that there will <em style="font: inherit;">not</em> be a material adverse impact on our operations from these bank performance guarantees and letters of credit. As a result, no liability has been recorded for these performance guarantees.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Product Warranties</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Fuel Tech issues a standard product warranty with the sale of our products to customers. Our recognition of warranty liability is based primarily on analyses of warranty claims experience in the preceding years as the nature of our historical product sales for which we offer a warranty are substantially unchanged. This approach provides an aggregate warranty accrual that is historically aligned with actual warranty claims experienced. There was no change in the warranty liability included in the Other accrued liabilities line of the Consolidated Balance Sheet in <em style="font: inherit;">2023</em> and <em style="font: inherit;">2022</em>. The warranty liability balance was $159 at <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>.</p> 904000 0 0 159000 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b><em style="font: inherit;">10.</em>     LEASES</b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b> </b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">The terms of the Company’s <em style="font: inherit;">three</em> primary office space lease arrangements are as follows:</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <table border="0" cellpadding="0" cellspacing="0" style="width:100%;font-family:'Times New Roman', Times, serif;font-size:10pt;"><tbody><tr><td style="width:38pt;"> </td><td style="width:18pt;vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">•</p> </td><td style="vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">The Gallarate, Italy building lease, for approximately 1,335 square feet, runs through <em style="font: inherit;"> April </em><em style="font: inherit;">30,</em> <em style="font: inherit;">2025.</em> This facility serves as the operating headquarters for our European operations.</p> </td></tr> </tbody></table> <table border="0" cellpadding="0" cellspacing="0" style="width:100%;font-family:'Times New Roman', Times, serif;font-size:10pt;"><tbody><tr><td style="width:38pt;"> </td><td style="width:18pt;vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">•</p> </td><td style="vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">The Aurora, IL warehouse lease, for approximately 11,000 square feet, runs through <em style="font: inherit;"> March 31, 2031. </em>This facility serves as an outside warehouse facility. </p> </td></tr> </tbody></table> <table border="0" cellpadding="0" cellspacing="0" style="width:100%;font-family:'Times New Roman', Times, serif;font-size:10pt;"><tbody><tr><td style="width:38pt;"> </td><td style="width:18pt;vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">•</p> </td><td style="vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">The Overland Park, KS lease, for approximately 600 square feet, runs through <em style="font: inherit;"> October 15, 2024. </em>This facility serves primarily as a sales office.</p> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">The Company also has <span style="-sec-ix-hidden:c108374530">three</span> additional operating leases related to certain office equipment and company leased vehicles and <em style="font: inherit;">one</em> short-term lease. Our leases have remaining lease terms of 0.5 years to 7.3 years. Our leases do <em style="font: inherit;">not</em> contain any material residual value guarantees or material restricted covenants and we currently have <em style="font: inherit;">no</em> material sublease arrangements. We have <em style="font: inherit;">no</em> financing leases as defined under ASC <em style="font: inherit;">842.</em></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">Total operating lease expense is as follows:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: thin solid rgb(0, 0, 0);"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: thin solid rgb(0, 0, 0); text-align: center;"><em style="font: inherit;">2023</em></td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: thin solid rgb(0, 0, 0);"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: thin solid rgb(0, 0, 0); text-align: center;"><em style="font: inherit;">2022</em></td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Operating lease cost</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">188</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">176</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Short-term lease cost</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">15</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">29</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Total lease cost</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">203</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">205</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The weighted average remaining lease term was 6.58 years as of <em style="font: inherit;"> December 31, 2023</em>. The weighted average discount rate was 8.00% as of <em style="font: inherit;"> December 31, 2023</em>. </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">Remaining maturities of our existing lease liabilities as of <em style="font: inherit;"> December 31, 2023</em> were as follows:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 85%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Year Ending December 31,</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Operating Leases</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2024</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">133</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2025</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">113</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2026</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">103</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">2027</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">106</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">2028</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">110</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Thereafter</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">258</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Total lease payments</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">823</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Less imputed interest</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(209</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Total</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">614</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">The following is the balance sheet classification of our existing lease liabilities:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Operating lease liabilities - current</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">81</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">125</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Operating lease liabilities - non-current</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">533</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">66</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Total operating lease liabilities</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">614</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">191</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">Supplemental cash flow information related to leases was as follows:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">For the Twelve Months ended December 31, 2023</em></td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">For the twelve months ended December 31, 2022</em></td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Cash paid for amounts included in the measurement of lease liabilities</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">150</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">157</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Leased assets obtained in exchange for operating lease liabilities</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">533</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">139</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> </tbody></table> 1335 11000 600 P0Y6M P7Y3M18D <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: thin solid rgb(0, 0, 0);"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: thin solid rgb(0, 0, 0); text-align: center;"><em style="font: inherit;">2023</em></td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: thin solid rgb(0, 0, 0);"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: thin solid rgb(0, 0, 0); text-align: center;"><em style="font: inherit;">2022</em></td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Operating lease cost</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">188</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">176</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Short-term lease cost</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">15</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">29</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Total lease cost</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">203</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">205</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> 188000 176000 15000 29000 203000 205000 P6Y6M29D 0.08 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 85%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Year Ending December 31,</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Operating Leases</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2024</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">133</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2025</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">113</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">2026</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">103</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">2027</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">106</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif;">2028</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0">110</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Thereafter</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">258</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Total lease payments</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">823</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Less imputed interest</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(209</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Total</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">614</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> 133000 113000 103000 106000 110000 258000 823000 209000 614000 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Operating lease liabilities - current</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">81</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">125</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Operating lease liabilities - non-current</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">533</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">66</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Total operating lease liabilities</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">614</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">191</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> 81000 125000 533000 66000 614000 191000 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">For the Twelve Months ended December 31, 2023</em></td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><em style="font: inherit;">For the twelve months ended December 31, 2022</em></td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Cash paid for amounts included in the measurement of lease liabilities</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">150</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">157</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Leased assets obtained in exchange for operating lease liabilities</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">533</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">139</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> </tbody></table> 150000 157000 533000 139000 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b><em style="font: inherit;">11.</em>     DEBT FINANCING</b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">On <em style="font: inherit;"> June 30, 2022, </em>the Company entered into an Investment Collateral Security agreement to use for the sole purpose of issuing standby letters of credit that replaces the former Cash Collateral agreement with BMO Harris. The Investment Collateral Security agreement requires us to pledge our investments as collateral for 150% of the aggregate face amount of outstanding standby letters of credit. The Company pays 250 basis points on the face values of outstanding letters of credit. There are <em style="font: inherit;">no</em> financial covenants set forth in the Investment Collateral Security agreement. At <em style="font: inherit;"> December 31, 2023</em>, the Company had outstanding standby letters of credit totaling approximately $904 under the Investment Collateral Security agreement. At <em style="font: inherit;"> December 31, 2023</em>, the investments held as collateral totaled $1,356. Fuel Tech is committed to reimbursing the issuing bank for any payments made by the bank under these instruments.</p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt; text-align: justify;"><b>   </b></p> 1.50 0.0250 904000 1356000 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b><em style="font: inherit;">12.</em>     BUSINESS SEGMENT AND GEOGRAPHIC FINANCIAL DATA</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b>Business Segment Financial Data</b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">We segregate our financial results into <span style="-sec-ix-hidden:c108374581">two</span> reportable segments representing <em style="font: inherit;">two</em> broad technology segments as follows:</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <table border="0" cellpadding="0" cellspacing="0" style="width:100%;font-family:'Times New Roman', Times, serif;font-size:10pt;"><tbody><tr><td style="width:38pt;"> </td><td style="width:18pt;vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">•</p> </td><td style="vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">The Air Pollution Control technology segment includes technologies to reduce NOx emissions in flue gas generated by the firing of natural gas or coal from boilers, incinerators, furnaces and other stationary combustion sources. These include NOxOUT<sup style="vertical-align:top;line-height:120%;">®</sup> and HERT™ Selective Non-Catalytic Reduction systems and Selective Catalytic Reduction (SCR) systems. Our SCR systems can also include Ammonia Injection Grid, and GSG™ Graduated Straightening Grid systems to provide high NOx reductions at significantly lower capital and operating costs than conventional SCR systems. ULTRA<sup style="vertical-align:top;line-height:120%;">®</sup> technology creates ammonia at a plant site using safe urea for use with any SCR application. ESP technologies make use of electrostatic precipitator products and services to reduce particulate matter. FGC systems are chemical injection systems offered in markets outside the U.S. and Canada to enhance electrostatic precipitator and fabric filter performance in controlling particulate emissions.</p> </td></tr> </tbody></table> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <table border="0" cellpadding="0" cellspacing="0" style="width:100%;font-family:'Times New Roman', Times, serif;font-size:10pt;"><tbody><tr><td style="width:38pt;"> </td><td style="width:18pt;vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">•</p> </td><td style="vertical-align:top;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; margin: 0pt; text-align: justify; font-size: 10pt;">The FUEL CHEM<sup style="vertical-align:top;line-height:120%;">®</sup> technology segment, which uses chemical processes in combination with advanced CFD and CKM boiler modeling, for the control of slagging, fouling, corrosion, opacity and other sulfur trioxide-related issues in coal-fired furnaces and boilers through the addition of chemicals into the furnace using TIFI<sup style="vertical-align:top;line-height:120%;">®</sup> Targeted In-Furnace Injection™ technology.</p> </td></tr> </tbody></table> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The “Other” classification includes those profit and loss items <em style="font: inherit;">not</em> allocated to either reportable segment. There are <em style="font: inherit;">no</em> inter-segment sales that require elimination.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">We evaluate performance and allocate resources based on gross margin by reportable segment. The accounting policies of the reportable segments are the same as those described in the summary of significant accounting policies. We do <em style="font: inherit;">not</em> review assets by reportable segment, but rather, in aggregate for the Company as a whole.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Information about reporting segment net sales and gross margin from continuing operations are provided below:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 52%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">For the year ended December 31, 2023</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Air Pollution Control Segment</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">FUEL CHEM Segment</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Other</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Total</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Revenues from external customers</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">13,483</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">13,598</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">27,081</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Cost of sales</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(8,410</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(7,015</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(15,425</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Gross margin</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">5,073</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">6,583</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">11,656</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Selling, general and administrative</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(12,803</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(12,803</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Research and development</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(1,511</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(1,511</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Operating income (loss) from continuing operations</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">5,073</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">6,583</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(14,314</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(2,658</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 52%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">For the year ended December 31, 2022</span></p> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Air Pollution Control Segment</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">FUEL CHEM Segment</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Other</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Total</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Revenues from external customers</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">10,597</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">16,344</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">26,941</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Cost of sales</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(6,924</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(8,374</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(15,298</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Gross margin</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">3,673</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">7,970</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">11,643</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Selling, general and administrative</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(12,275</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(12,275</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Research and development</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(895</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(895</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Operating income (loss) from continuing operations</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">3,673</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">7,970</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(13,170</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(1,527</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;">)</td></tr> </tbody></table> <p style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; margin: 0pt; text-align: left"> </p> <p style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; margin: 0pt; text-align: left"><b>Geographic Segment Financial Data</b></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">Information concerning our operations by geographic area is provided below. Revenues are attributed to countries based on the location of the end-user. Assets are those directly associated with operations of the geographic area.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;"><span style="text-decoration: underline; ">For the years ended December 31,</span></p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Revenues:</p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">United States</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">21,062</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">20,311</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Foreign</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">6,019</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">6,630</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">27,081</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">26,941</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">As of December 31,</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Assets:</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 9pt;">United States</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">46,487</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">47,007</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 9pt;">Foreign</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">3,901</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">3,117</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">50,388</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">50,124</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 52%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">For the year ended December 31, 2023</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Air Pollution Control Segment</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">FUEL CHEM Segment</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Other</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Total</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Revenues from external customers</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">13,483</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">13,598</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">27,081</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Cost of sales</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(8,410</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(7,015</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(15,425</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Gross margin</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">5,073</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">6,583</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">11,656</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Selling, general and administrative</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(12,803</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(12,803</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Research and development</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(1,511</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(1,511</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Operating income (loss) from continuing operations</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">5,073</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">6,583</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(14,314</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(2,658</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td></tr> </tbody></table> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 52%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">For the year ended December 31, 2022</span></p> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Air Pollution Control Segment</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">FUEL CHEM Segment</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Other</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">Total</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Revenues from external customers</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">10,597</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">16,344</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">26,941</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Cost of sales</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(6,924</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(8,374</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(15,298</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Gross margin</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">3,673</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">7,970</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">11,643</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Selling, general and administrative</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(12,275</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">(12,275</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Research and development</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(895</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">(895</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">)</td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Operating income (loss) from continuing operations</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">3,673</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">7,970</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(13,170</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 9%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">(1,527</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;">)</td></tr> </tbody></table> 13483000 13598000 0 27081000 8410000 7015000 -0 15425000 5073000 6583000 0 11656000 -0 -0 12803000 12803000 -0 -0 1511000 1511000 5073000 6583000 -14314000 -2658000 10597000 16344000 0 26941000 6924000 8374000 -0 15298000 3673000 7970000 0 11643000 -0 -0 12275000 12275000 -0 -0 895000 895000 3673000 7970000 -13170000 -1527000 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: Times New Roman; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt; width: 70%;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;"><span style="text-decoration: underline; ">For the years ended December 31,</span></p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">Revenues:</p> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="font-family: Times New Roman; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">United States</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">21,062</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;">20,311</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt 0pt 0pt 9pt;">Foreign</p> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">6,019</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">6,630</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">27,081</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt;"> </td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: Times New Roman; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">26,941</td><td style="width: 1%; font-family: Times New Roman; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"><span style="text-decoration: underline; ">As of December 31,</span></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;">Assets:</p> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="text-align: left; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 9pt;">United States</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">46,487</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;">47,007</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt 0pt 0pt 9pt;">Foreign</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">3,901</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">3,117</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">50,388</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">50,124</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> 21062000 20311000 6019000 6630000 27081000 26941000 46487000 47007000 3901000 3117000 50388000 50124000 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b><em style="font: inherit;">13.</em>     RESTRUCTURING ACTIVITIES</b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">On <em style="font: inherit;"> January 18, 2019, </em>the Company announced a planned suspension of its APC business operation in China (Beijing Fuel Tech). This action was part of Fuel Tech’s ongoing operational improvement initiatives designed to prioritize resource allocation, reduce costs, and drive profitability for the Company on a global basis. The transition associated with the suspension of the APC business includes staff rationalization, supplier and partner engagement, and the monetization of certain assets. The remaining transition activities include the execution of the remaining activities to satisfy the requirements for the remaining APC projects in China (with a backlog totaling approximately $3) and those related to subsidiary closure.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The following table presents our revenues and net loss in China for the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Total revenues</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">2</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">3</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Net loss</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">(50</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">(209</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">)</td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">The following table presents net assets in China as of  <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Total assets</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">846</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">929</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Total liabilities</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">67</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">79</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Total net assets</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">779</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">850</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">Total assets primarily consist of cash and other receivables. Total liabilities consist of accounts payable and certain accrued liabilities.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;">The Company recorded no restructuring charges for the years ended <em style="font: inherit;"> December 31, 2023</em> and <em style="font: inherit;">2022</em>.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"> </p> 3000 <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Total revenues</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">2</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">3</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Net loss</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">(50</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">)</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">(209</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">)</td></tr> </tbody></table> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; width: 70%;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Total assets</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">846</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">929</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Total liabilities</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">67</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">79</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Total net assets</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">779</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">850</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> 2000 3000 -50000 -209000 846000 929000 67000 79000 779000 850000 0 <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;"><b><em style="font: inherit;">14.</em></b>     <b>ACCRUED LIABILITIES</b></p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; text-align: justify; margin: 0pt;">The components of other accrued liabilities are as follows:</p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;"><em style="font: inherit;">As of</em></em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">December 31, 2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">December 31, 2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Contract liabilities (Note 2)</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">1,279</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">372</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Warranty reserve (Note 9)</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">159</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">159</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;;">Deferred revenue</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0">103</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0">75</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;;">Accrued professional fees</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0">101</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Other accrued liabilities</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">292</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">220</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Total other accrued liabilities</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">1,934</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">826</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> <table border="0" cellpadding="0" cellspacing="0" class="finTable" style="width: 100%; font-size: 10pt; font-family: &quot;Times New Roman&quot;; text-indent: 0px;"><tbody><tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="6" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;"><em style="font: inherit;">As of</em></em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">December 31, 2023</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td colspan="2" style="text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:center;margin:0pt;"><em style="font: inherit;">December 31, 2022</em></p> </td><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Contract liabilities (Note 2)</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">1,279</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">372</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Warranty reserve (Note 9)</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; text-align: right;">159</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;">159</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;;">Deferred revenue</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0">103</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0">75</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> <p style="margin: 0pt; font-size: 10pt; font-family: &quot;Times New Roman&quot;;">Accrued professional fees</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0">101</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0">—</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding: 0; margin: 0"> </td></tr> <tr style="background-color: rgb(204, 238, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Other accrued liabilities</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">292</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);">220</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 1px; margin-left: 0pt;"> </td></tr> <tr style="background-color: rgb(255, 255, 255); vertical-align: bottom"><td style="font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> <p style="font-family: &quot;Times New Roman&quot;; font-size: 10pt; font-variant: normal; margin: 0pt;">Total other accrued liabilities</p> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">1,934</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt;"> </td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td><td style="width: 12%; text-align: right; font-family: &quot;Times New Roman&quot;; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">826</td><td style="width: 1%; font-family: &quot;Times New Roman&quot;; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td></tr> </tbody></table> 1279000 372000 159000 159000 103000 75000 101000 0 292000 220000 1934000 826000 <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b><a href="#" id="item9b" title="item9b"></a>ITEM <em style="font: inherit;">9B</em> - OTHER INFORMATION</b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b> </b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><span style="-sec-ix-hidden:c108374704"><span style="-sec-ix-hidden:c108374705"><span style="-sec-ix-hidden:c108374706"><span style="-sec-ix-hidden:c108374707">None</span></span></span></span></p> 49 In all periods presented, there were no tax impacts related to functional currency translation adjustments.