10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

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

For the quarterly period ended June 30, 2020

or

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

For the transition period from ________________ to ________________

Commission File Number 001-35073

GEVO, INC.

(Exact name of registrant as specified in its charter)

Delaware	87-0747704
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

345 Inverness Drive South, Building C, Suite 310 Englewood, CO	80112
(Address of principal executive offices)	(Zip Code)

(303) 858-8358

(Registrant's telephone number,

including area code)

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

Title of Each Class	Trading Symbol	Name of Each Exchange on Which Registered
Common Stock, par value $0.01 per share	GEVO	Nasdaq Capital Market

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 ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the 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 is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

As of July 31, 2020, 53,836,258 shares of the registrant’s common stock were outstanding.

GEVO, INC.

FORM 10-Q

FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2020

TABLE OF CONTENTS

		Page
PART I.  FINANCIAL INFORMATION
Item 1.	Financial Statements	3
	Consolidated Balance Sheets as of June 30, 2020 (unaudited) and December 31, 2019	3
	Consolidated Statements of Operations for the three and six months ended June 30, 2020 and 2019 (unaudited)	4
	Consolidated Statements of Stockholders' Equity for the three and six months ended June 30, 2020 and 2019 (unaudited)	5
	Consolidated Statements of Cash Flows for the six months ended June 30, 2020 and 2019 (unaudited)	6
	Notes to Consolidated Financial Statements (unaudited)	8
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	31
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	40
Item 4.	Controls and Procedures	40
PART II.  OTHER INFORMATION
Item 1.	Legal Proceedings	41
Item 1A.	Risk Factors	41
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	42
Item 3.	Defaults Upon Senior Securities	42
Item 4.	Mine Safety Disclosures	42
Item 5.	Other Information	42
Item 6.	Exhibits	43
	Signatures	46

2

PART I. FINANCIAL INFORMATION

Item 1. Financial Statements.

GEVO, INC.

Consolidated Balance Sheets

(in thousands, except share and per share amounts)

	June 30, 2020 (unaudited)			December 31, 2019
Assets
Current assets:
Cash and cash equivalents	$	6,337		$	16,302
Accounts receivable		746			1,135
Inventories		2,480			3,201
Prepaid expenses and other current assets		3,793			3,590
Total current assets		13,356			24,228
Property, plant and equipment, net		64,689			66,696
Investment in Juhl		1,500			1,500
Deposits and other assets		556			935
Total assets	$	80,101		$	93,359
Liabilities
Current liabilities:
Accounts payable and accrued liabilities	$	3,999		$	5,678
2020/21 Notes (current), net		14,293			—
2020 Notes (current), net		—			13,900
2020/21 Notes embedded derivative liability		276			—
Loans payable - other (current)		603			516
Total current liabilities		19,171			20,094
Loans payable - other (long-term)		774			233
Other long-term liabilities		269			528
Total liabilities		20,214			20,855
Commitments and Contingencies (see Note 11)
Stockholders' Equity
Common stock, $0.01 par value per share; 250,000,000 authorized; 15,514,098 and 14,083,232 shares issued and outstanding at June 30, 2020 and December 31, 2019, respectively.		154			141
Additional paid-in capital		533,015			530,349
Accumulated deficit		(473,282	)		(457,986	)
Total stockholders' equity		59,887			72,504
Total liabilities and stockholders' equity	$	80,101		$	93,359

See the accompanying Notes to the unaudited Consolidated Financial Statements.

3

GEVO, INC.

Consolidated Statements of Operations

(in thousands, except share and per share amounts)

(unaudited)

	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
Revenue and cost of goods sold
Ethanol sales and related products, net	$	83		$	4,966		$	3,783		$	10,630
Hydrocarbon revenue		859			92			984			831
Other revenue		46			28			46			28
Total revenues		988			5,086			4,813			11,489
Cost of goods sold		2,644			8,452			10,783			17,413
Gross loss		(1,656	)		(3,366	)		(5,970	)		(5,924	)
Operating expenses
Research and development expense		677			945			1,257			1,923
Selling, general and administrative expense		2,919			2,182			5,702			4,274
Restructuring expenses		5			—			304			—
Total operating expenses		3,601			3,127			7,263			6,197
Loss from operations		(5,257	)		(6,493	)		(13,233	)		(12,121	)
Other income (expense)
Interest expense		(541	)		(767	)		(1,086	)		(1,522	)
(Loss) on modification of 2020 Notes		(57	)		—			(726	)		—
Gain from change in fair value of derivative warrant liability		1			2			8			3
(Loss) gain from change in fair value of 2020/21 Notes and 2020 Notes embedded derivative liability		(176	)		148			(276	)		394
Other income (expense)		(13	)		20			17			20
Total other income (expense), net		(786	)		(597	)		(2,063	)		(1,105	)
Net loss	$	(6,043	)	$	(7,090	)	$	(15,296	)	$	(13,226	)
Net loss per share - basic and diluted	$	(0.40	)	$	(0.60	)	$	(1.04	)	$	(1.20	)
Weighted-average number of common shares outstanding - basic and diluted		15,071,105			11,885,524			14,771,952			11,024,482

See the accompanying Notes to the unaudited Consolidated Financial Statements.

4

GEVO, INC.

CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY

(In thousands, except share amounts)

(unaudited)

	Common Stock					Paid-In			Accumulated			Stockholders’
	Shares			Amount		Capital			Deficit			Equity
Balance, December 31, 2019		14,083,232		$	141	$	530,349		$	(457,986	)	$	72,504
Issuance of common stock, net of issue costs		425,776			4		902			—			906
Non-cash stock-based compensation		—			—		336			—			336
Issuance of common stock under stock plans, net of taxes		105,882			—		—			—			—
Net loss		—			—		—			(9,253	)		(9,253	)
Balance, March 31, 2020		14,614,890			145		531,587			(467,239	)		64,493
Issuance of common stock, net of issue costs		917,345			9		1,238			—			1,247
Non-cash stock-based compensation		—			—		497			—			497
Issuance of common stock under stock plans, net of taxes		(18,137	)		—		(307	)		—			(307	)
Net loss		—			—		—			(6,043	)		(6,043	)
Balance, June 30, 2020		15,514,098		$	154	$	533,015		$	(473,282	)	$	59,887
Balance, December 31, 2018		8,640,583		$	86	$	518,027		$	(429,326	)	$	88,787
Issuance of common stock, net of issue costs		3,244,941			33		9,611			—			9,644
Non-cash stock-based compensation		—			—		234			—			234
Net loss		—			—		—			(6,136	)		(6,136	)
Balance, March 31, 2019		11,885,524			119		527,872			(435,462	)		92,529
Issuance of common stock, net of issue costs		—			—		(14	)		—			(14	)
Non-cash stock-based compensation		—			—		172			—			172
Net loss		—			—		—			(7,090	)		(7,090	)
Balance, June 30, 2019		11,885,524		$	119	$	528,030		$	(442,552	)	$	85,597

See the accompanying Notes to the unaudited Consolidated Financial Statements.

5

GEVO, INC.

Consolidated Statements of Cash Flows

(in thousands)

(unaudited)

	Six Months Ended June 30,
	2020			2019
Operating Activities
Net loss	$	(15,296	)	$	(13,226	)
Adjustments to reconcile net loss to net cash used in operating activities:
(Gain) from change in fair value of derivative warrant liability		(8	)		(3	)
Loss (gain) from change in fair value of 2020/21 Notes and 2020 Notes embedded derivative liability		276			(394	)
Loss on retirement of property, plant and equipment		38			—
Stock-based compensation		673			370
Depreciation and amortization		3,278			3,221
Non-cash lease expense		29			25
Non-cash interest expense		393			832
Other non-cash expense		—			1
Changes in operating assets and liabilities:
Accounts receivable		389			360
Inventories		721			(163	)
Prepaid expenses and other current assets, deposits and other assets		164			(613	)
Accounts payable, accrued expenses and long-term liabilities		(1,462	)		(63	)
Net cash used in operating activities		(10,805	)		(9,653	)
Investing Activities
Acquisitions of property, plant and equipment		(1,620	)		(4,556	)
Net cash used in investing activities		(1,620	)		(4,556	)
Financing Activities
Proceeds from SBA loans		1,006			—
Debt and equity offering costs		(115	)		(248	)
Proceeds from issuance of common stock		2,271			9,878
Net settlement of common stock under stock plans		(310	)		—
Payment of loans payable - other		(392	)		—
Net cash provided by financing activities		2,460			9,630
Net (decrease) increase in cash and cash equivalents		(9,965	)		(4,579	)
Cash and cash equivalents
Beginning of period		16,302			33,734
End of period	$	6,337		$	29,155

See the accompanying Notes to the unaudited Consolidated Financial Statements.

6

GEVO, INC. 

Consolidated Statements of Cash Flows - Continued

(in thousands)

(unaudited)

Supplemental disclosures of cash and non-cash investing and financing transactions	Six Months Ended June 30,
	2020		2019
Cash paid for interest	$	693	$	690
Non-cash purchase of property, plant and equipment	$	32	$	506
Original issue discount paid with 2020/21 Notes	$	282	$	—
Right-of-use asset purchased with financing lease	$	13	$	—
Fair value of right-to-use asset and related lease liability upon adoption of ASC 842 - Leases	$	—	$	1,244

See the accompanying Notes to the unaudited Consolidated Financial Statements.

7

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

1. Nature of Business, Financial Condition and Basis of Presentation

Nature of Business.  Gevo, Inc. (“Gevo” or the “Company,” which, unless otherwise indicated, refers to Gevo, Inc. and its subsidiaries) is a growth-oriented renewable fuels company that is commercializing the next generation of renewable low-carbon liquid transportation fuels with the potential to achieve a “net zero” greenhouse gas (“GHG”) footprint and address global needs of reducing GHG emissions with sustainable alternatives to petroleum fuels. As next generation renewable fuels, Gevo’s hydrocarbon transportation fuels have the advantage of being “drop-in” substitutes for conventional fuels that are derived from crude oil, working seamlessly and without modification in existing fossil-fuel based engines, supply chains and storage infrastructure. In addition to the potential of net zero carbon emissions across the whole fuel life-cycle, Gevo’s renewable fuels eliminate other pollutants associated with the burning of traditional fossil fuels such as particulates and sulfur, while delivering superior performance. Gevo believes that the world is substantially under-supplied with low-carbon, drop-in renewable fuels that can be immediately used in existing transportation engines and infrastructure, and Gevo is uniquely positioned to grow in serving that demand.

Gevo uses low-carbon, renewable resource-based carbohydrates as raw materials. In the near-term, Gevo’s feedstocks will primarily consist of non-food corn. As Gevo’s technology is applied globally, feedstocks can consist of sugar cane, molasses or other cellulosic sugars derived from wood, agricultural residues and waste. Gevo’s patented fermentation yeast biocatalyst produces isobutanol, a four-carbon alcohol, via the fermentation of renewable plant biomass carbohydrates. The resulting renewable isobutanol has a variety of direct applications but, more importantly to Gevo’s fundamental strategy, serves as a building block to make renewable isooctane (which we refer to as a renewable premium gasoline) and renewable jet fuel using simple and common chemical conversion processes. Gevo also reduces or eliminates fossil-based process energy inputs by replacing them with renewable energy such as wind-powered electricity and renewable natural gas (“RNG”).

Ultimately, the Company believes that the attainment of profitable operations is dependent upon future events, including (i) completing certain capital improvements at the Company’s production facility located in Luverne, Minnesota (the "Luverne Facility") to increase the production capacity of renewable gasoline and jet fuel and other related products that can be made from isobutanol; (ii) completing the Company's development activities resulting in commercial production and sales of renewable hydrocarbon products; (iii) obtaining adequate financing to complete the Company's development activities, including the build out of renewable hydrocarbon capacity; (iv) gaining market acceptance and demand for the Company's products and services; (v) attracting and retaining qualified personnel; and (vi) achieving a level of revenues adequate to support the Company's cost structure.

COVID-19.  The novel coronavirus ("COVID-19") pandemic has had an adverse impact on global commercial activity, including the global transportation industry and its supply chain and has contributed to significant volatility in the financial markets. In light of the current and potential future disruption to the Company's business operations and those of its customers, suppliers and other third parties with whom the Company does business, the Company considered the impact of the COVID-19 pandemic on its business. This analysis considered the Company's resilience and continuity plans, financial modeling and stress testing of liquidity and financial resources.

The Company expects that the impact of the COVID-19 pandemic on general economic activity will negatively impact its revenue and operating results for at least the remainder of 2020. The suspension of ethanol production at the Company's Luverne Facility for the foreseeable future and reduction in the Company's workforce during the first quarter of 2020 due to the impact of COVID-19 had an adverse impact on the Company’s financial results for the second quarter of 2020 reducing revenue by 81% compared to the same period in 2019. The Company expects that the suspension of ethanol production at the Luverne Facility and reduction in workforce will allow it to reduce its cash burn during 2020.

As an increasing percentage of the Company’s employees work remotely, the Company faces the risk that unusual working arrangements could impact the effectiveness of its operations or controls. A potential COVID-19 infection of any of its key employees could materially and adversely impact its operations. In addition, it is possible that COVID-19 restrictions could create difficulty for satisfying the Company’s legal or regulatory filing or other obligations, including with the SEC and other regulators.

8

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

There is also a risk that the COVID-19 pandemic could have a material adverse impact on customer demand and cash flow for the remainder of 2020 and beyond. The Company will continue to monitor the situation and assess possible implications to the Company's business and its stakeholders and will take appropriate actions to help mitigate adverse consequences. The extent to which COVID-19 impacts its business and financial position will depend on future developments, which are difficult to predict, including the severity, duration and scope of the COVID-19 outbreak as well as the types of measures imposed by governmental authorities to contain the virus or address its impact and the duration of those actions and measures.

The Company has considered multiple scenarios, with both positive and negative inputs, as part of the significant estimates and assumptions that are inherent in its financial statements and are based on trends in customer behavior and the economic environment throughout the quarter ended June 30, 2020 and beyond as the COVID-19 pandemic has impacted the industries in which the Company operates. These estimates and assumptions include the collectability of billed and unbilled receivables and the estimation of revenue and tangible and intangible assets. With regard to collectability, the Company believes it may face atypical delays in client payments going forward but the Company has not experienced delays in collection as of June 30, 2020. In addition, management believes that the demand for certain discretionary lines of business may decrease, and that such decrease will impact its financial results in succeeding periods. Non-discretionary lines of business may also be adversely affected, for example because reduced economic activity or disruption in hydrocarbon markets reduces demand for or the extent of renewable alcohol-to-jet fuel (“ATJ”), isooctane and isooctene. The Company believes that these trends and uncertainties are comparable to those faced by other registrants as a result of the pandemic.

In response to the impact of the COVID-19 pandemic, each of Patrick R. Gruber, the Company's Chief Executive Officer, Christopher M. Ryan, the Company's President, Chief Operating Officer and Chief Technology Officer, L. Lynn Smull, the Company's Chief Financial Officer, Timothy J. Cesarek, the Company's Chief Commercial Officer, Geoffrey T. Williams, Jr., the Company's General Counsel and Secretary, and Carolyn M. Romero, the Company's Vice President - Controller and Principal Accounting Officer (collectively, the “Officers”) accepted 20% reductions to their base salaries. These reductions became effective as of April 1, 2020 and will continue until July 31, 2020. In connection with the 20% salary reduction, the Officers were granted Company stock in the form of restricted stock awards in an amount equal to the 20% reduction. Certain remaining employees that earn above a certain dollar threshold also agreed to take a 20% salary reduction through July 31, 2020, with the 20% portion to be paid in the form of restricted stock awards.

In addition, in connection with the impact that the COVID-19 pandemic has had on the economy and on the resulting disruption to the airline industry specifically, the Company and Delta Air Lines, Inc. (“Delta”) amended portions of the Company's previously disclosed Fuel Sales Agreement (the “Delta Agreement”) on April 22, 2020 (the “Delta Amendment”).  The Delta Amendment provides that Delta may terminate the Delta Agreement if the Company does not notify Delta by June 30, 2024 that the facility for the production, refining and delivery of ATJ with a nameplate capacity of up to 12 million gallons per year (the “Facility”) has achieved commercial operation and the ability to produce and deliver the ATJ purchased pursuant to the Delta Agreement (the date upon which such operation occurs is referred to as the “Commencement Date”).

The Delta Amendment also revises the credit support terms in the Delta Agreement to state that the Company and Delta will work to mutually agree upon credit support terms for the take or pay that are acceptable to the Company’s lender to enable the Company to obtain third party financing prior to the earlier of the time that the Company obtains financing for construction of the Facility or otherwise issues a notice to commence construction of the Facility. If the Company and Delta are unable to agree on reasonable credit support terms, the Company may terminate the Delta Agreement. The balance of Delta’s credit support obligations were deleted.

In addition, the Delta Amendment revises the ATJ pricing in the Delta Agreement to the extent that if Brent Crude is below a certain cutoff price as of the date that is 60 days prior to the Commencement Date (the “Commencement Notice Date”), then the pricing adjusts based upon a formula related to the Brent crude prices as of the Commencement Notice Date. The Delta Amendment also provides that, if as of the Commencement Notice Date, the Brent Crude price is below the price adjustment range, Delta may eliminate the take-or-pay requirements of the Delta Agreement, which includes eliminating Delta’s obligation to take-or-pay the 10 million gallons per year of ATJ. Instead, the Delta Agreement would require the Company and Delta to agree at that time on the volumes and price of any ATJ to be sold under the Delta Agreement.

9

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

Restructuring Expenses. During the first quarter of 2020, the Company suspended for the foreseeable future its ethanol production at the Luverne Facility. In addition, due to the impact of the COVID-19 pandemic on the global economy and the Company’s industry, in March 2020, the Company reduced its workforce, impacting 26 people at the Luverne Facility and four people at the Company's corporate headquarters. Affected employees were offered a severance package which included a one-time payment, one month of health insurance and acceleration of vesting for any unvested restricted stock awards.

The Company incurred $0.1 million related to severance costs and $0.2 million related to lease agreements for which it will no longer receive value during the six months ended June 30, 2020, which are recorded as Restructuring expenses on the Consolidated Statements of Operations. Restructuring expense totaled $0.02 million and $0.3 million for Gevo and Gevo Development/Agri-Energy segments, respectively, during the six months ended June 30, 2020.

The Company intends to continue developing its hydrocarbon business, including the planned expansion of the Luverne Facility, and the Company expects to move forward in securing the project funding needed to expand the Luverne Facility. The expansion is designed to allow the Company to produce large quantities of low carbon isobutanol, sustainable aviation fuel and renewable isooctane. The Company also expects to continue engineering efforts for the expansion of isobutanol production and the construction of a commercial renewable hydrocarbon production facility, as well as additional decarbonization projects, at the Luverne Facility.

As of June 30, 2020, the Company had the following liabilities outstanding related to the restructuring expenses included in "Accounts payable and accrued liabilities" in the Consolidated Balance Sheets:

	December 31, 2019		Additions		Payments			June 30, 2020
Severance (including payroll taxes)	$	—	$	96	$	(96	)	$	—
Lease agreements		—		208		(120	)		88
Total	$	—	$	304	$	(216)		$	88

Financial Condition. For the six months ended June 30, 2020 and 2019, the Company incurred a consolidated net loss of $15.3 million and $13.2 million, respectively, and had an accumulated deficit of $473.3 million as of June 30, 2020. The Company’s cash and cash equivalents as of June 30, 2020 totaled $6.3 million and are expected to be used for the following purposes: (i) operating activities at the Company’s corporate headquarters in Colorado, including research and development work; (ii) development projects associated with RNG; (iii) exploration of strategic alternatives and new financings; (iv) debt service obligations; and (v) maintaining the Luverne Facility.

The Company expects to incur future net losses as it continues to fund the development and commercialization of its product candidates. To date, the Company has financed its operations primarily with proceeds from issuance of equity and debt securities, borrowings under debt facilities and product sales. The Company’s transition to profitability is dependent upon, among other things, the successful development and commercialization of its product candidates and the achievement of a level of revenues adequate to support the Company’s cost structure. The Company may never achieve profitability or positive cash flows, and unless and until it does, the Company will continue to need to raise additional capital. Management intends to fund future operations through additional private and/or public offerings of debt or equity securities. In addition, the Company may seek additional capital through arrangements with strategic partners or from other sources, it may seek to restructure its debt and it will continue to address its cost structure. Notwithstanding, there can be no assurance that the Company will be able to raise additional funds or achieve or sustain profitability or positive cash flows from operations.

Existing working capital was not sufficient to meet the cash requirements to fund planned operations through the period that is one year after the date the Company’s financial statements for the six months ended June 30, 2020 were issued. These conditions raise substantial doubt about the Company’s ability to continue as a going concern. The Company’s inability to continue as a going concern may potentially affect the Company’s rights and obligations under its senior secured debt and issued and outstanding convertible notes. The accompanying financial statements have been prepared assuming that the Company will continue as a going concern and do not include adjustments that might result from the outcome of this uncertainty. This basis of accounting contemplates the recovery of the Company’s assets and the satisfaction of liabilities in the normal course of business.

10

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

At-the-Market Offering Program. In February 2018, the Company commenced an at-the-market offering program, which allows it to sell and issue shares of its common stock from time-to-time. In August 2019, the at-the-market offering program was amended to provide available capacity under the at-the-market offering program of $10.7 million.

During the six months ended June 30, 2020, the Company issued 1,343,121 shares of common stock under the at-the-market offering program for total proceeds of $2.2 million, net of commissions and other offering related expenses.

As of June 30, 2020, the Company has remaining capacity to issue up to approximately $6.5 million of common stock under the at-the-market offering program.

Basis of Presentation. The unaudited consolidated financial statements of the Company (which include the accounts of its wholly-owned subsidiaries Gevo Development, LLC (“Gevo Development”) and Agri-Energy, LLC (“Agri-Energy”)) have been prepared, without audit, pursuant to the rules and regulations of the U.S. Securities and Exchange Commission (the “SEC”). Accordingly, they do not include all information and footnotes required by accounting principles generally accepted in the United States (“GAAP”) for complete financial statements. These statements reflect all normal and recurring adjustments which, in the opinion of management, are necessary to present fairly the financial position, results of operations and cash flows of the Company at June 30, 2020 and are not necessarily indicative of the results to be expected for the full year. These statements should be read in conjunction with the Company’s audited consolidated financial statements and notes thereto included under the heading “Financial Statements and Supplementary Data” in Part II, Item 8 of the Company’s Annual Report on Form 10-K for the year ended December 31, 2019.

Income Taxes. There is no provision for income taxes because the Company has incurred operating losses since inception.

Concentration of Business Risk. As of June 30, 2020, two customers, HCS Group GmbH ("HCS") and Coryton Advanced Fuels Ltd ("Coryton"), comprised approximately 63% and 15% of the Company's outstanding trade accounts receivable, respectively. As of December 31, 2019, three customers, Eco-Energy, LLC ("Eco-Energy"), Purina Animal Nutrition, LLC ("Purina"), and HCS comprised 57%, 13% and 15% of the Company's outstanding trade accounts receivable, respectively.

For the three months ended June 30, 2020, HCS and Coryton accounted for approximately 76% and 11% of the Company's consolidated revenue, respectively. For the three months ended June 30, 2019, Eco-Energy and Purina represented approximately 77% and 18% of the Company's consolidated revenue, respectively. For the six months ended June 30, 2020, Eco-Energy, Purina and HCS accounted for approximately 60%, 17% and 16% of the Company's consolidated revenue, respectively. For the six months ended June 30, 2019, Eco-Energy and Purina accounted for approximately 72% and 18% of the Company's consolidated revenue, respectively. HCS and Coryton are customers of the Company's Gevo segment. Eco-Energy and Purina are customers of the Company's Gevo Development/Agri-Energy segment (see Note 14).

Related Party Transaction. During the three months ended June 30, 2020, Gevo paid Blocksize Capital GmbH ("Blocksize") , a company in which a director of Gevo has an indirect ownership interest, $0.1 million for block chain software development services. There were no amounts payable to Blocksize as of June 30, 2020.

11

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

2. Earnings Per Share

Basic earnings (loss) per share is computed by dividing the net loss for the period by the weighted-average number of common shares outstanding during the period. Diluted earnings (loss) per share (“EPS”) includes the dilutive effect of common stock equivalents and is computed using the weighted-average number of common stock and common stock equivalents outstanding during the reporting period. Diluted EPS for the three months ended June 30, 2020 and 2019 excluded common stock equivalents because the effect of their inclusion would be anti-dilutive or would decrease the reported loss per share.

The following table sets forth securities outstanding that could potentially dilute the calculation of diluted earnings per share:

	Three  and Six Months ended June 30,
	2020	2019
Warrants to purchase common stock - liability classified	50,812	55,963
Warrant to purchase common stock - equity classified	—	6
Conversion of 2020/21 Notes	6,780,958	—
Conversion of 2020 Notes	—	1,020,595
Outstanding options to purchase common stock	1,556	2,361
Stock appreciation rights	132,566	132,566
Unvested restricted common stock	—	1,538,184
Total	6,965,892	2,749,675

3. Revenues from Contracts with Customers and Other Revenues

The Company’s current and historical revenues have consisted of the following: (a) ethanol sales and related products revenue, net; (b) hydrocarbon revenue; and (c) grant and other revenue, which primarily has historically consisted of revenues from governmental and cooperative research grants.

Ethanol sales and related products revenues. Ethanol sales and related products revenues are sold to customers on a free-on-board, shipping point basis. Revenue is recognized when the customer has control of the product. Each transaction occurs independent of any other sale, and once sold, there are no future obligations on the part of the Company to provide post-sale support or promises to deliver future goods or services.

12

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

Hydrocarbon revenue. Hydrocarbon revenues include sales of ATJ, isooctene and isooctane and is sold mostly on a free-on-board, shipping point basis. Revenue is recognized when the customer has control of the product. Each transaction occurs independent of any other sale, and once sold, there are no future obligations on the part of the Company to provide post-sale support or promises to deliver future goods or services.

The following table sets forth the components of the Company’s revenues between those generated from contracts with customers and those generated from arrangements that do not constitute a contract with a customer (in thousands):

	Three Months Ended June 30, 2020
Major Goods/Service Line	Revenues from Contracts with Customers		Other Revenues		Total
Ethanol sales and related products, net	$	83	$	—	$	83
Hydrocarbon revenue		859		—		859
Other revenue		46		—		46
	$	988	$	—	$	988
Timing of Revenue Recognition
Goods transferred at a point in time	$	942	$	—	$	942
Services transferred over time		46		—		46
	$	988	$	—	$	988

	Three Months Ended June 30, 2019
Major Goods/Service Line	Revenues from Contracts with Customers		Other Revenues		Total
Ethanol sales and related products, net	$	4,996	$	—	$	4,996
Hydrocarbon revenue		92		—		92
Other revenue		—		28		28
	$	5,058	$	28	$	5,086
Timing of Revenue Recognition
Goods transferred at a point in time	$	5,058	$	—	$	5,058
Services transferred over time		—		28		28
	$	5,058	$	28	$	5,086

13

	Six Months Ended June 30, 2020
Major Goods/Service Line	Revenues from Contracts with Customers		Other Revenues		Total
Ethanol sales and related products, net	$	3,783	$	—	$	3,783
Hydrocarbon revenue		984		—		984
Other revenue		46		—		46
	$	4,813	$	—	$	4,813
Timing of Revenue Recognition
Goods transferred at a point in time	$	4,767	$	—	$	4,767
Services transferred over time		46		—		46
	$	4,813	$	—	$	4,813

	Six Months Ended June 30, 2019
Major Goods/Service Line	Revenues from Contracts with Customers		Other Revenues		Total
Ethanol sales and related products, net	$	10,630		—	$	10,630
Hydrocarbon revenue		831		—		831
Other revenue		—		28		28
	$	11,461	$	28	$	11,489
Timing of Revenue Recognition
Goods transferred at a point in time	$	11,461	$	—	$	11,461
Services transferred over time		—		28		28
	$	11,461	$	28	$	11,489

14

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

Goods transferred at a point-in-time. For the three and six months ended June 30, 2020 and 2019, there were no contracts with customers for which consideration was variable or for which there were multiple performance obligations for any given contract. Accordingly, the entire transaction price is allocated to the goods transferred. As of June 30, 2020 and December 31, 2019, there were no remaining unfulfilled or partially fulfilled performance obligations.

All goods transferred are tested to ensure product sold satisfies contractual product specifications prior to transfer. The customer obtains control of the goods when title and risk of loss for the goods has transferred, which in most cases is “free-on-board, shipping point”. All material contracts have payment terms of between one to three months and there are no return or refund rights.

Services transferred over time. For the three and six months ended June 30, 2020 and 2019, there were no contracts for which consideration was variable or for which there were multiple performance obligation for any given contract. Accordingly, the entire transaction price is allocated to the individual service performance obligation. As of June 30, 2020 and December 31, 2019, respectively, there were no material unfulfilled or partially fulfilled performance obligations.

Contract Assets and Trade Receivables. As of June 30, 2020 and December 31, 2019, there were no contract assets or liabilities as all customer amounts owed to the Company are unconditional and the Company does not receive payment in advance for its products. Accordingly, amounts owed by customers are classified as account receivables on the Company’s Consolidated Balance Sheets. In addition, due to the nature of the Company’s contracts, there are no costs incurred or to be paid in the future that qualify for asset recognition as a cost to fulfill or obtain a contract as of June 30, 2020 and December 31, 2019. The Company did not incur any impairment losses on any receivables as all amounts owed were paid or current as of June 30, 2020 or December 31, 2019.

4. Leases, Right-to-Use Assets and Related Liabilities

The Company enters into various arrangements which constitute a lease as defined by Accounting Standards Codification ("ASC") 842, Leases, as part of its ongoing business activities and operations. Leases represent a contract or part of a contract that conveys the right to control the use of identified property, plant or equipment (an identified asset) for a period of time in exchange for consideration. Such contracts result in both (a) right-to-use assets, which represent the Company’s right to use an underlying asset for the term of the contract; and (b) a corresponding lease liability which represents the Company’s obligation to make the lease payments arising from the contract, measured on a discounted basis.

The contracts for the Company are comprised of facility, equipment and transportation leases necessary to conduct the Company’s day-to-day operations for which the Company maintains control of right-to-use assets and incurs the related liabilities. The facility lease includes variable payments for common area maintenance. In addition, the Company has one financing lease for certain office equipment which is included in "Loans payable - other" on the Consolidated Balance Sheets.

There are two contractual agreements related to equipment improvements at the Luverne Facility that were not recognized as of June 30, 2020 as a result of operating contingencies which must be satisfied before the Company is obligated under the terms of the contract. The total estimated fair value of unrecognized right-to-use assets and related lease liabilities relating to these contracts was approximately $3.0 million as of June 30, 2020 and December 31, 2019.

15

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

The following table presents the (a) costs by lease category and (b) other quantitative information relating to the Company’s leases (dollars in thousands):

	Three Months Ended June 30,
	2020		2019
Lease Cost
Financing lease cost	$	1	$	—
Operating lease cost		63		386
Short-Term lease cost		10		15
Variable lease cost		40		32
Total lease cost	$	114	$	433

	Six Months Ended June 30,
	2020			2019
Lease Cost
Financing lease cost	$	2		$	—
Operating lease cost		534			731
Short-Term lease cost		23			32
Variable lease cost		72			65
Total lease cost	$	631		$	828
Other Information
Cash paid for the measurement of lease liabilities:
Operating cash flows from finance lease	$	2		$	—
Operating cash flows from operating leases		534			731
Finance cash flows from finance lease		1			—
Right-to-use asset obtained in exchange for new financing lease liability		13			—
Weighted-average remaining lease term, financing lease (months)		56			—
Weighted-average remaining lease term, operating leases (months)		13			25
Weighted-average discount rate - financing lease		21	%		—
Weighted-average discount rate - operating leases		12	%		12	%

The table below shows the future minimum payments under non-cancelable financing and operating leases at June 30, 2020 (in thousands):

Year Ending December 31,	Financing Leases			Operating Leases
2020 (remaining)	$	2		193
2021		4			178
2022		4			—
2023		4			—
2024 and thereafter		5			—
Total		19			371
Less: Amounts representing present value discounts		(7	)	(18		)
Total lease liabilities		12		353

16

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

5. Inventories

The following table sets forth the components of the Company’s inventory balances (in thousands):

	June 30,		December 31,
	2020		2019
Raw materials
Corn	$	13	$	267
Enzymes and other inputs		136		184
Finished goods
Jet Fuels, Isooctane and Isooctene		635		571
Isobutanol		44		135
Ethanol		—		93
Distiller's grains		—		54
Work in process
Agri-Energy		—		254
Gevo		134		122
Spare parts		1,518		1,521
Total inventories	$	2,480	$	3,201

Work in process inventory includes unfinished jet fuel, isooctane and isooctene inventory.

17

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

6. Property, Plant and Equipment

The following table sets forth the Company’s property, plant and equipment by classification (in thousands):

	Useful Life			June 30,			December 31,
	(in years)			2020			2019
Luverne retrofit asset		20		$	70,820		$	70,820
Plant machinery and equipment		10			17,374			17,413
Site improvements		10			7,157			7,054
Lab equipment, furniture and fixtures and vehicles		5			6,396			6,393
Demonstration plant		2			3,597			3,597
Buildings		10			2,543			2,543
Leasehold improvements, pilot plant, land and support equipment	2	to	5		2,523			2,523
Computer, office equipment and software	3	to	6		2,021			2,034
Construction in progress					8,802			7,710
Total property, plant and equipment					121,233			120,087
Less accumulated depreciation and amortization					(56,544	)		(53,391	)
Property, plant and equipment, net				$	64,689		$	66,696

The Company recorded depreciation and amortization expense related to property, plant and equipment as follows (in thousands):

	Three Months Ended June 30,
	2020		2019
Cost of goods sold	$	1,575	$	1,559
Operating expenses		50		52
Total depreciation and amortization	$	1,625	$	1,611

	Six Months Ended June 30,
	2020		2019
Cost of goods sold	$	3,162	$	3,119
Operating expenses		106		102
Total depreciation and amortization	$	3,268	$	3,221

18

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

7. Embedded Derivatives Liabilities 

2020 Notes Embedded Derivative

In June 2017, the Company issued its 12% convertible senior secured notes due 2020 (the “2020 Notes”) in exchange for its 12.0% convertible senior secured notes due 2017 (the “2017 Notes”). The 2020 Notes contained the following embedded derivatives: (i) a Make-Whole Payment (as defined in the indenture governing the 2020 Notes (the “2020 Notes Indenture”)) upon either conversion or redemption; (ii) right to redeem the outstanding principal upon a Fundamental Change (as defined in the 2020 Notes Indenture); (iii) issuer rights to convert into a limited number of shares in any given three-month period commencing nine months from the issuance date and dependent on the stock price exceeding 150% of the then in-effect conversion price over a ten-business day period; and (iv) holder rights to convert into either shares of the Company’s common stock or pre-funded warrants upon the election of the holders of the 2020 Notes.

Embedded derivatives are separated from the host contract and the 2020 Notes and carried at fair value when: (a) the embedded derivative possesses economic characteristics that are not clearly and closely related to the economic characteristics of the host contract; and (b) a separate, stand-alone instrument with the same terms would qualify as a derivative instrument. The Company has concluded that certain embedded derivatives within the 2020 Notes meet these criteria and, as such, must be valued separate and apart from the 2020 Notes as one embedded derivative and recorded at fair value each reporting period.

The Company used a binomial lattice model in order to estimate the fair value of the embedded derivative in the 2020 Notes. A binomial lattice model generates two probable outcomes, whether up or down, arising at each point in time, starting from the date of valuation until the maturity date. A lattice was initially used to determine if the 2020 Notes would be converted by the holder, called by the issuer, or held at each decision point. Within the lattice model, the following assumptions were made: (i) the 2020 Notes will be converted by the holder if the conversion value plus the holder’s Make-Whole Payment is greater than the holding value; or (ii) the 2020 Notes will be called by the issuer if (a) the stock price exceeds 150% of the then in-effect conversion price over a ten-business day period and (b) if the holding value is greater than the conversion value plus the Make-Whole Payment at the time.

Using this lattice model, the Company valued the embedded derivative using a “with-and-without method”, where the value of the 2020 Notes including the embedded derivative were defined as the “with”, and the value of the 2020 Notes excluding the embedded derivative is defined as the “without”. This method estimates the value of the embedded derivative by comparing the difference in the values between the 2020 Notes with the embedded derivative and the value of the 2020 Notes without the embedded derivative. The lattice model requires the following inputs: (i) price of Gevo common stock; (ii) Conversion Rate (as defined in the 2020 Notes Indenture); (iii) Conversion Price (as defined in the 2020 Notes Indenture); (iv) maturity date; (v) risk-free interest rate; (vi) estimated stock volatility; and (vii) estimated credit spread for the Company.

2020/21 Notes Embedded Derivative

In January 2020, the Company issued 12% convertible senior secured notes due 2020/2021 (the “2020/21 Notes”) in exchange for its 12.0% convertible senior secured notes due March 2020 (the “2020 Notes”). The 2020/21 Notes contain the following embedded derivatives: (i) a Make-Whole Payment (as defined in the 2020/21 Notes Indenture (as defined below) upon either conversion or redemption in certain circumstances; (ii) holder right to require the Company to repurchase the outstanding principal upon a Fundamental Change (as defined in the 2020/21 Notes Indenture); and (iii) holder rights to convert into either shares of the Company’s common stock or pre-funded warrants upon the election of the holders of the 2020/21 Notes.

Embedded derivatives are separated from the host contract and the 2020/21 Notes, and carried at fair value when: (a) the embedded derivative possesses economic characteristics that are not clearly and closely related to the economic characteristics of the host contract; and (b) a separate, stand-alone instrument with the same terms would qualify as a derivative instrument. The Company has concluded that certain embedded derivatives within the 2020/21 Notes meet these criteria and, as such, must be valued separate and apart from the 2020/21 Notes as one embedded derivative and recorded at fair value each reporting period.

The Company used a binomial lattice model in order to estimate the fair value of the embedded derivative in the 2020/21 Notes. Using this lattice model, the Company valued the embedded derivative using a “with-and-without method”.

19

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

As of June 30, 2020 and December 31, 2019, the estimated fair value of the embedded derivatives was $0.3 million and $0, respectively. The Company recorded the estimated fair value of the embedded derivative with the 2020/21 Notes and 2020 Notes, net in the Consolidated Balance Sheets. The Company recorded a $0.2 million and $0.3 million loss from the change in fair value of 2020/21 Notes embedded derivatives for the three and six months ended June 30, 2020. The Company recorded a $0.1 million and $0.4 million gain from the change in fair value of 2020 Notes embedded derivatives or the three and six months ended June 30, 2019.

The following table sets forth the inputs to the lattice models that were used to value the embedded derivatives:

	June 30,			December 31,
	2020			2019
Stock price	$	0.79		$	2.31
Conversion Rate per $1,000		409.50			67.95
Conversion Price	$	2.44		$	14.72
Maturity date	April 1, 2021			March 15, 2020
Risk-free interest rate		0.17	%		1.52	%
Estimated stock volatility		92	%		60	%
Estimated credit spread		38	%		27	%

Changes in certain inputs into the lattice model can have a significant impact on changes in the estimated fair value of the embedded featured within the 2020/21 Notes and 2020 Notes. For example, the estimated fair value will generally decrease with: (1) a decline in the stock price; (2) decreases in the estimated stock volatility; and (3) a decrease in the estimated credit spread.

Derivative Warrant Liability

There were no warrants sold by the Company during the six months ended June 30, 2020.

The following table sets forth information pertaining to shares issued upon the exercise of such warrants as of June 30, 2020:

	Issuance Date	Expiration Date	Exercise Price as of June 30, 2020		Shares Underlying Warrants on Issuance Date		Shares Issued upon Warrant Exercises as of June 30, 2020		Shares Underlying Warrants Outstanding as of June 30, 2020
Series D Warrants	12/11/2015	12/11/2020	$	40.00		25,125		25,078		47
Series F Warrants	04/01/2016	04/01/2021	$	40.00		25,733		11,692		14,041
Series I Warrants	09/13/2016	09/13/2021	$	220.00		35,368		—		35,368
Series K Warrants	02/17/2017	2/17/2022	$	3.80		310,016		308,660		1,356
						396,242		345,430		50,812

20

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

The agreements governing the above warrants include the following terms:

• certain warrants have exercise prices which are subject to adjustment for certain events, including the issuance of stock dividends on the Company’s common stock and, in certain instances, the issuance of the Company’s common stock or instruments convertible into the Company’s common stock at a price per share less than the exercise price of the respective warrants;

• warrant holders may exercise the warrants through a cashless exercise if, and only if, the Company does not have an effective registration statement then available for the issuance of the shares of its common stock. If an effective registration statement is available for the issuance of its common stock a holder may only exercise the warrants through a cash exercise;

• the exercise price and the number and type of securities purchasable upon exercise of the warrants are subject to adjustment upon certain corporate events, including certain combinations, consolidations, liquidations, mergers, recapitalizations, reclassifications, reorganizations, stock dividends and stock splits, a sale of all or substantially all of the Company’s assets and certain other events; and

• in the event of an “extraordinary transaction” or a “fundamental transaction” (as such terms are defined in the respective warrant agreements), generally including any merger with or into another entity, sale of all or substantially all of the Company’s assets, tender offer or exchange offer, or reclassification of its common stock, in which the successor entity (as defined in the respective warrant agreements) that assumes the successor entity is not a publicly traded company, the Company or any successor entity will pay the warrant holder, at such holder’s option, exercisable at any time concurrently with or within 30 days after the consummation of the extraordinary transaction or fundamental transaction, an amount of cash equal to the value of such holder’s warrants as determined in accordance with the Black-Scholes option pricing model and the terms of the respective warrant agreement. In some circumstances, the Company or successor entity may be obligated to make such payments regardless of whether the successor entity that assumes the warrants is a publicly traded company.

There were no warrants exercised during the six months ended June 30, 2020.

8. Accounts Payable and Accrued Liabilities

The following table sets forth the components of the Company’s accounts payable and accrued liabilities in the consolidated balance sheets (in thousands):

	June 30,		December 31,
	2020		2019
Accrued utilities and supplies	$	704	$	645
Accounts payable - trade		569		1,474
Accrued employee compensation		1,445		1,946
Other accrued liabilities		1,281		1,613
Total accounts payable and accrued liabilities	$	3,999	$	5,678

21

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

9. Debt

2020 Notes and 2020/21 Notes

The following table sets forth information pertaining to the 2020 Notes and 2020/21 Notes which are included in the Company’s consolidated balance sheets (in thousands):

	Principal Amount of 2020 Notes			Principal Amount of 2020/21 Notes		Debt Discount			Debt Issue Costs			Total Notes		Embedded Derivative			Total
Balance - December 31, 2019	$	14,053		$	—	$	(123	)	$	(30	)	$	13,900	$	—		$	13,900
Amortization of debt discount		—			—		187			—			187		—			187
Amortization of debt issue costs		—			—		—			15			15		—			15
Paid-in-kind interest		47			144		—			—			191		—			191
Exchange of 2020 Notes for 2020/21 Notes		(14,100	)		14,100		—			—			—		—			—
Original issue discount paid with 2020/21 Notes		—			282		(282	)		—			—		—			—
Fair value of 2020/21 embedded derivative		—			—		—			—			—		2,848			2,848
Change in fair value of 2020/21 Notes embedded derivative		—			—		—			—			—		(2,572	)		(2,572	)
Balance - June 30, 2020	$	—		$	14,526	$	(218	)	$	(15	)	$	14,293	$	276		$	14,569

On June 20, 2017, the Company issued the 2020 Notes in exchange for its 12.0% convertible senior secured notes due 2017 (the "2017 Notes"), plus an amount in cash equal to the accrued and unpaid interest. The 2020 Notes had a maturity date of March 15, 2020 and were secured by a first lien on substantially all of our assets. The 2020 Notes had an interest rate equal to 12% per annum (with 2% potentially payable as PIK Interest (as defined and described below) at our option), payable on March 31, June 30, September 30 and December 31 of each year. To the extent that the Company paid any portion of the interest due on the 2020 Notes as PIK Interest, the maximum aggregate principal amount of the 2020 Notes that would have been convertible into shares of the Company's common stock increased.

Under certain circumstances, the Company had the option to pay a portion of the interest due on the 2020 Notes by either (a) increasing the principal amount of the 2020 Notes by the amount of interest then due or (b) issuing additional 2020 Notes with a principal amount equal to the amount of interest then due (interest paid in the manner set forth in (a) or (b) being referred to as “PIK Interest”).

Additional shares of the Company's common stock could also have become issuable pursuant to the 2020 Notes in the event the Company was required to make certain make-whole payments as provided in the 2020 Notes Indenture.

The 2020 Notes were convertible into shares of the Company's common stock, subject to certain terms and conditions. The initial conversion price of the 2020 Notes was equal to $14.72 per share of common stock, or 0.0679 shares of common stock per $1 principal amount of 2020 Notes.

22

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

2020/21 Notes

On January 10, 2020, the Company entered into an Exchange and Purchase Agreement (as amended, the “2020/21 Purchase Agreement”) with the guarantors party thereto (the "Guarantors"), the holder of the 2020 Notes and Whitebox Advisors LLC ("Whitebox"), in its capacity as representative of the holder. Pursuant to the terms of the 2020/21 Purchase Agreement, the holder of the 2020 Notes, subject to certain conditions, agreed to exchange all of the outstanding principal amount of the 2020 Notes, which was approximately $14.1 million including unpaid accrued interest, for approximately $14.4 million in aggregate principal amount of the Company's newly created 2020/21 Notes (the “2020/21 Exchange”). Pursuant to the 2020/21 Purchase Agreement, the Company also granted an option to purchase up to an additional aggregate principal amount of approximately $7.1 million of 2020/21 Notes (the “2020/21 Option Notes”), at a purchase price equal to the aggregate principal amount of such 2020/21 Option Notes purchased less an original issue discount of 2.0%, having identical terms (other than with respect to the issue date and restrictions on transfer relating to compliance with applicable securities law) to the 2020/21 Notes issued, at any time during the period beginning on the date of closing of the 2020/21 Exchange and ending on the later of (a) 180 days thereafter, and (b) 30 days following June 3, 2020. The right to purchase 2020/21 Option Notes expired on July 3, 2020. On January 10, 2020, the Company completed the 2020/21 Exchange and cancelled the 2020 Notes. In addition, the Company entered into an Indenture by and among the Company, the guarantors named therein (the “2020/21 Notes Guarantors”) and FSB, as trustee and as collateral trustee (the “Original Indenture”), as supplemented by that certain First Supplemental Indenture, dated as of April 7, 2020 (the “First Supplemental Indenture” and, together with the Original Indenture, the “2020/21 Notes Indenture”), pursuant to which the Company issued the 2020/21 Notes. The Company recognized an approximately $0.7 million loss. See "(Loss) on modification of 2020 Notes" within the Consolidated Statements of Operations.

The 2020/21 Notes will mature on December 31, 2020, provided that the maturity date will automatically be extended to April 1, 2021 if the aggregate outstanding principal balance of the 2020/21 Notes (including any 2020/21 Option Notes) as of December 15, 2020 is less than $7 million. The 2020/21 Notes bear interest at a rate equal to 12% per annum (with 4% payable as PIK Interest (as defined and described below)), payable on March 31, June 30, September 30 and December 31 of each year. Under certain circumstances, the Company will have the option to pay a portion of the interest due on the 2020/21 Notes by either (a) increasing the principal amount of the 2020/21 Notes by the amount of interest then due or (b) issuing additional 2020/21 Notes with a principal amount equal to the amount of interest then due (interest paid in the manner set forth in (a) or (b) being referred to as “PIK Interest”). In the event the Company pays any portion of the interest due on the 2020/21 Notes as PIK Interest, the maximum aggregate principal amount of 2020/21 Notes that could be convertible into shares of the Company’s common stock will be increased.

The 2020/21 Notes are convertible into shares of the Company’s common stock at the conversion price, subject to certain terms and conditions. The initial conversion price of the 2020/21 Notes is equal to $2.442 per share of the Company’s common stock (the “2020/21 Notes Conversion Price”), or 0.4095 shares of the Company’s common stock per $1 principal amount of 2020/21 Notes. The Company and the holders may also mutually agree on other conversions of the 2020/21 Notes into shares of the Company’s common stock on a monthly basis (a “Contractual Conversion”) pursuant to the terms of the 2020/21 Notes Indenture. The 2020/21 Notes Conversion Price in a Contractual Conversion will be reduced to the lesser of the then-applicable 2020/21 Notes Conversion Price or a 10% discount to the average of the daily volume weighted average price of the Company’s common stock for the three forward trading days prior to the date of the Contractual Conversion.

Each holder has agreed not to convert its 2020/21 Notes into shares of the Company’s common stock to the extent that, after giving effect to such conversion, the number of shares of the Company’s common stock beneficially owned by such holder and its affiliates would exceed 4.99% of the Company’s common stock outstanding at the time of such conversion (the “4.99% Ownership Limitation”); provided that a holder may, at its option and upon 61 days’ prior notice to the Company, increase such threshold to 9.99% (the “9.99% Ownership Limitation”). If a conversion of 2020/21 Notes by a holder would exceed the 4.99% Ownership Limitation or the 9.99% Ownership Limitation, as applicable, the 2020/21 Purchase Agreement contains a provision granting the holder a fully funded prepaid warrant for such common stock with a term of nine months, subject to a six-month extension, which it can draw down from time to time.

The 2020/21 Notes may be redeemed in whole or in part, at the Company’s option, for cash at any time June 3, 2020 and upon 120 days’ notice to the holders of the 2020/21 Notes. A Redemption Make-Whole Payment (as defined in the 2020/21 Notes Indenture) applies only to a redemption of 2020/21 Notes that occurs on or after December 31, 2020. Following a notice of redemption of the 2020/21 Notes by the Company, the holders may elect to convert the 2020/21 Notes into shares of the Company’s common stock at the same conversion price as applicable to a Contractual Conversion.

23

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

The 2020/21 Notes do not contain any anti-dilution adjustments for future equity issuances that are below the 2020/21 Notes Conversion Price, and adjustments to the 2020/21 Notes Conversion Price will only generally be made in the event that there is a dividend or distribution paid on shares of the Company’s common stock, a subdivision, combination or reclassification of the Company’s common stock, or at the discretion of the Board of Directors of the Company in limited circumstances and subject to certain conditions.

The 2020/21 Notes are secured by a lien on substantially all of the assets of the Company and the 2020/21 Notes Guarantors, including intellectual property and real property, and are guaranteed by the Company’s existing subsidiaries.

Additional shares of the Company's common stock could also become issuable pursuant to the 2020/21 Notes in the event the Company is required to make certain make-whole payments as provided in the 2020/21 Notes Indenture.

Under certain circumstances, the Company may file one or more registration statements on Form S-3 or amend filings in order to register shares of common stock for sale or resale, as necessary in connection with the 2020/21 Notes.

Loans Payable - Other

During the first quarter of 2020, the Company purchased equipment under a financing lease. During the fourth quarter 2019, the Company purchased equipment and financed part of its insurance obligation. The equipment notes and financing lease pay interest between 4% and 21%, have total monthly payments of $0.1 million and mature at various dates from August 2020 to February 2025. The equipment loans are secured by the related equipment.

In April 2020, the Company and Agri-Energy each entered into a loan agreement with Live Oak Banking Company, pursuant to which the Company and Agri-Energy obtained loans from the Small Business Administration's Paycheck Protection Program (“SBA PPP”) totaling $1.0 million in the aggregate (the "SBA Loans"). The SBA Loans will mature in April 2022 and bear interest at a rate equal to 1% per annum, subject to the potential for partial or full loan forgiveness as dictated by U.S. federal law. Principal and interest are deferred until November 2020 and interest continues to accrue during the deferral period. The SBA Loans are payable monthly beginning November 5, 2020, with aggregate payments totaling $0.06 million per month, including interest and principal. The SBA Loans must be used for payroll, rent payments, mortgage interest payments and utilities payments as governed by the SBA PPP and are subject to partial or full forgiveness for the initial eight-week period following the loan disbursement if all proceeds are used for eligible purposes and within certain thresholds, the Company maintains certain employment levels and the Company maintains certain compensation levels.

The balance of these loans at June 30, 2020 and December 31, 2019 are as follows (in thousands):

	June 30, 2020			December 31, 2019
SBA Loans	$	1,006		$	—
Equipment		298			321
Insurance		73			428
Total notes payable - other		1,377			749
Less current portion		(603	)		(516	)
Long-term portion	$	774		$	233

24

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

Future payments for Loans Payable - Other are as follows (in thousands):

Year ending December 31,
2020 (remaining)	$	223
2021		764
2022		290
2023		65
2024 and thereafter		35
	$	1,377

10. Equity Incentive Plans

2010 Stock Incentive Plan. In February 2011, the Company’s stockholders approved the Gevo, Inc. 2010 Stock Incentive Plan (as amended and restated to date, the "2010 Plan"). The 2010 Plan provided for the grant of non-qualified stock options, incentive stock options, stock appreciation rights, restricted stock awards, restricted stock units and other equity awards to employees and directors of the Company. On June 10, 2019, the 2010 Plan was amended and restated, which increased the number of shares of common stock reserved for issuance to 3,266,661 shares. On June 3, 2020, the 2010 Plan was amended and restated, which increased the number of shares of common stock reserved for issuance by 3,713,413 shares to a total of 6,980,074 shares.

In February 2020, the Company issued 109,337 shares of restricted common stock, vesting over three years, and 1,258 shares of restricted common stock, vesting over two years, to certain of its employees in relation to restricted stock awards granted on February 27, 2020. In March 2020, the Company withheld 4,055 shares of common stock to settle income taxes related to the vested restricted stock awards for certain employees. In April 2020, the Company issued 239,155 shares of restricted common stock in relation to restricted stock awards granted to its employees on April 1, 2020 in connection with the 20% salary reduction discussed in Footnote 1, which vested on May 15, 2020. Also in April 2020, the Company issued 29,032 of restricted stock units in exchange for services rendered which vested immediately. During the three months ended June 30, 2020, the Company withheld 286,324 shares of common stock to settle income taxes related to the vested restricted stock awards for certain employees.

At June 30, 2020, an additional 5,202,941 shares were available for issuance upon the exercise of outstanding stock option awards or the grant of stock appreciation rights and restricted stock awards under the 2010 Plan.

During July 2020, the Company issued 115,156 shares of restricted common stock in relation to restricted stock awards granted to its employees on July 1, 2020 in connection with the 20% salary reduction vesting on July 31, 2020. In addition, on July 6, 2020, the Company issued 3,989,140 shares of restricted common stock to employees and directors and 101,730 restricted stock units in exchange for services rendered, vesting over two years.

Employee Stock Purchase Plan. In February 2011, the Company’s stockholders approved the Employee Stock Purchase Plan (the "ESPP"). The offering periods for the ESPP are from January 1 to June 30 and from July 1 to December 31 of each calendar year. The Company has reserved 190 shares of common stock for issuance under the ESPP, of which 190 shares as of June 30, 2020 are available for future issuance. The purchase price of the common stock under the ESPP is 85% of the lower of the fair market value of a share of common stock on the first or last day of the purchase period. There were no purchases of common stock under the ESPP during the six months ended June 30, 2020 or 2019.

25

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

11. Stock-Based Compensation

The Company records stock-based compensation expense during the requisite service period for share-based payment awards granted to employees and non-employees.

The following table sets forth the Company’s stock-based compensation expense (in thousands) for the periods indicated:

	Three Months Ended June 30,					Six Months Ended June 30,
	2020		2019			2020			2019
Restricted stock
Research and development	$	135	$	33		$	211		$	61
Selling, general and administrative		362		139			622			345
Stock appreciation rights
Research and development		2		(34	)		(77	)		(18	)
Selling, general and administrative		2		(31	)		(83	)		(18	)
Total stock-based compensation	$	501	$	107		$	673		$	370

Stock Option Award Activity. Stock option activity under the Company’s stock incentive plans at June 30, 2020 and changes during the three months ended June 30, 2020 were as follows:

						Weighted-
						Average
				Weighted-		Remaining
				Average		Contractual		Aggregate
	Number of			Exercise		Term		Intrinsic
	Options			Price		(years)		Value
Options outstanding at December 31, 2019		1,561		$	928.79		6.56	$	—
Granted		—		$	—
Canceled or forfeited		(5	)	$	166.44
Exercised		—		$	—
Options outstanding at June 30, 2020		1,556		$	877.93		6.05	$	—
Options exercisable at June 30, 2020		1,556		$	877.93		6.05	$	—
Options vested and expected to vest at June 30, 2020		1,556		$	877.93		6.05	$	—

26

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

Restricted Stock. Non-vested restricted stock awards at June 30, 2020 and changes during the three months ended June 30, 2020 were as follows:

				Weighted-
				Average
	Number of			Grant-Date
	Shares			Fair Value
Non-vested at December 31, 2019		1,308,613		$	1.91
Granted		349,750		$	0.98
Vested		(900,180	)	$	1.60
Canceled or forfeited		(6,974	)	$	1.90
Non-vested at June 30, 2020		751,209		$	1.81

The total fair value of restricted stock that vested during the six months ended June 30, 2020 totaled $1.4 million. As of June 30, 2020, the total unrecognized compensation expense, net of estimated forfeitures, relating to restricted stock awards was $1.3 million, which is expected to be recognized over the remaining weighted-average period of approximately 1.0 years.

12. Commitments and Contingencies

Legal Matters. From time to time, the Company has been, and may again become, involved in legal proceedings arising in the ordinary course of its business. The Company is not presently a party to any litigation that it believes to be material and is not aware of any pending or threatened litigation against the Company that it believes could have a material adverse effect on its business, operating results, financial condition or cash flows.

Indemnifications. In the ordinary course of its business, the Company makes certain indemnities under which it may be required to make payments in relation to certain transactions. As of June 30, 2020 and December 31, 2019, the Company did not have any liabilities associated with indemnities.

In addition, the Company, as permitted under Delaware law and in accordance with its amended and restated certificate of incorporation and amended and restated bylaws, in each case, as amended to date, indemnifies its officers and directors for certain events or occurrences, subject to certain limits, while the officer or director is or was serving at the Company’s request in such capacity. The duration of these indemnifications, commitments, and guarantees varies and, in certain cases, is indefinite. The maximum amount of potential future indemnification is unlimited; however, the Company has a director and officer insurance policy that may enable it to recover a portion of any future amounts paid. The Company accrues for losses for any known contingent liability, including those that may arise from indemnification provisions, when future payment is probable. No such losses have been recorded to date.

Environmental Liabilities. The Company’s operations are subject to environmental laws and regulations adopted by various governmental authorities in the jurisdictions in which it operates. These laws require the Company to investigate and remediate the effects of the release or disposal of materials at its locations. Accordingly, the Company has adopted policies, practices and procedures in the areas of pollution control, occupational health and the production, handling, storage and use of hazardous materials to prevent material environmental or other damage, and to limit the financial liability which could result from such events. Environmental liabilities are recorded when the Company’s liability is probable and the costs can be reasonably estimated. No environmental liabilities have been recorded as of June 30, 2020.

27

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

13. Fair Value Measurements

Accounting standards define fair value, outline a framework for measuring fair value, and detail the required disclosures about fair value measurements. Under these standards, fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date in the principal or most advantageous market. Standards establish a hierarchy in determining the fair market value of an asset or liability. The fair value hierarchy has three levels of inputs, both observable and unobservable. Standards require the utilization of the highest possible level of input to determine fair value.

Level 1 – inputs include quoted market prices in an active market for identical assets or liabilities.

Level 2 – inputs are market data, other than Level 1, that are observable either directly or indirectly. Level 2 inputs include quoted market prices for similar assets or liabilities, quoted market prices in an inactive market, and other observable information that can be corroborated by market data.

Level 3 – inputs are unobservable and corroborated by little or no market data.

28

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

 These tables present the carrying value and fair value, by fair value hierarchy, of our financial instruments, excluding cash and cash equivalents, accounts receivable and accounts payable, which approximate fair value due to their short-term nature, at June 30, 2020 and December 31, 2019, respectively (in thousands):

			Fair Value Measurements at June 30, 2020 (In thousands)
	Fair Value at June 30, 2020		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Recurring:
Derivative Warrant Liability	$	—	$	—	$	—	$	—
2020/21 Notes Embedded Derivative Liability		276		—		—		276
Total Recurring Fair Value Measurements	$	276	$	—	$	—	$	276
Nonrecurring
Corn and finished goods inventory	$	554	$	13	$	541	$	—

			Fair Value Measurements at December 31, 2019 (In thousands)
	Fair Value at December 31, 2019		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Recurring:
Derivative Warrant Liability	$	8	$	—	$	—	$	8
Nonrecurring
Corn and finished goods inventory	$	940	$	267	$	673	$	—

29

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

The following table provides changes to those fair value measurements using Level 3 inputs for the three months ended June 30, 2020 (in thousands):

	Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
	Derivative Warrant Liability			2020/21 Notes Embedded Derivative
Balance, December 31, 2019	$	8		$	—
Issue of 2020/21 Notes embedded derivative liability		—			2,848
Total (gains) included in earnings		(8	)		(2,572	)
Balance, June 30, 2020	$	—		$	276

There were no transfers to or from Level 3 in the three months ended June 30, 2020.

Inventories. The Company records its corn inventory at fair value only when the Company’s cost of corn purchased exceeds the market value for corn. The Company determines the market value of corn and dry distiller’s grain based upon Level 1 inputs using quoted market prices. The Company records its ethanol, isobutanol and hydrocarbon inventory at market using Level 2 inputs.

2020/21 Notes Embedded Derivative. The Company had estimated the fair value of the embedded derivative on a stand-alone basis to be $0.3 million at June 30, 2020 based upon Level 3 inputs. Changes in the fair value of the embedded derivative is recognized each reporting period as a “Change in fair value of 2020/21 Notes embedded derivative” in the consolidated Statements of Operations and Statements of Cash Flows. See Note 7, Embedded Derivatives, for the fair value inputs used to estimate the fair value of the embedded derivative.

Derivative Warrant Liability. The Company valued the Series F Warrants and Series K Warrants using a Monte-Carlo model (Level 3) and other warrants using Black-Scholes models comprised of some inputs requiring the use of Monte-Carlo models (Level 3). The Company has estimated the fair value of the derivative warrant liability to be $0 and $.01 million as of June 30, 2020 and December 31, 2019, respectively.

While the Company believes that its valuation methods are appropriate and consistent with other market participants, it recognizes that the use of different methodologies or assumptions to determine the fair value of certain financial instruments could result in a different estimate of fair value at the reporting date.

14. Segments

The Company has determined that it has two operating segments: (i) Gevo segment; and (ii) Gevo Development/Agri-Energy segment. The Company organizes its business segments based on the nature of the products and services offered through each of its consolidated legal entities. Transactions between segments are eliminated in consolidation.

Gevo Segment. The Gevo segment is responsible for all research and development activities related to the future production of isobutanol, including the development of our proprietary biocatalysts, the production and sale of bio jet fuel, the Company’s retrofit process and the next generation of chemicals and biofuels that will be based on the Company’s isobutanol technology. The Gevo segment also develops, maintains and protects its intellectual property portfolio, develops future markets for its isobutanol and provides corporate oversight services.

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GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

Gevo Development/Agri-Energy Segment. The Gevo Development/Agri-Energy segment is currently responsible for the operation of the Company’s Luverne Facility and the production of ethanol, isobutanol and related products.

The Company’s chief operating decision maker is provided with and reviews the financial results of each of the Company’s consolidated legal entities, Gevo, Inc., Gevo Development, LLC and Agri-Energy, LLC. The Company organizes its business segments based on the nature of the products and services offered through each of its consolidated legal entities. All revenue is earned and all assets are held in the U.S.

	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
Revenues:
Gevo	$	897		$	92		$	1,022		$	831
Gevo Development / Agri-Energy		91			4,994			3,791			10,658
Consolidated	$	988		$	5,086		$	4,813		$	11,489
Loss from operations:
Gevo	$	(2,808	)	$	(2,960	)	$	(5,689	)	$	(5,633	)
Gevo Development / Agri-Energy		(2,449	)		(3,533	)		(7,544	)		(6,488	)
Consolidated	$	(5,257	)	$	(6,493	)	$	(13,233	)	$	(12,121	)
Interest expense:
Gevo	$	538		$	767		$	1,081		$	1,522
Gevo Development / Agri-Energy		3			—			5			—
Consolidated	$	541		$	767		$	1,086		$	1,522
Depreciation and amortization expense:
Gevo	$	50		$	50		$	106		$	102
Gevo Development / Agri-Energy		1,579			1,559			3,172			3,119
Consolidated	$	1,629		$	1,609		$	3,278		$	3,221
Acquisitions of plant, property and equipment:
Gevo	$	69		$	62		$	79		$	62
Gevo Development / Agri-Energy		428			1,877			1,219			4,081
Consolidated	$	497		$	1,939		$	1,298		$	4,143
Revenue by geographic area
United States	$	91		$	4,994		$	3,841		$	10,658
Other		897			92			972			831
Consolidated	$	988		$	5,086		$	4,813		$	11,489

31

GEVO, INC.

Notes to Consolidated Financial Statements

(unaudited)

	June 30,			December 31,
	2020			2019
Total assets
Gevo	$	76,800		$	91,861
Gevo Development / Agri-Energy		138,872			143,349
Intercompany eliminations (1)		(135,571	)		(141,851	)
Consolidated (2)	$	80,101		$	93,359

(1)	Includes intercompany sales of $0.1 million during the six months ended June 30, 2020 and $0.4 million for the year ended December 31, 2019 for hydrocarbon sales.
(2)	All other significant non-cash items relate to the activities of Gevo.

15. Subsequent Events

2020 Offering

On July 6, 2020, Gevo completed a public offering (the “Offering”) of (i) 20,896,666 Series 1 units (the “Series 1 Units”) at a price of $0.60 per Series 1 Unit, and (ii) 9,103,334 Series 2 units (the “Series 2 Units”) at a price of $0.59 per Series 2 Unit. The Offering was made under a registration statement on Form S-1 filed with the Securities and Exchange Commission, declared effective on June 30, 2020.

Each Series 1 Unit consists of one share of the Company’s common stock and one Series 2020-A warrant to purchase one share of the Company’s commons stock (each, a “Series 2020-A Warrant”). Each Series 2 Unit consists of a pre-funded Series 2020-B warrant to purchase one share of the Company’s common stock (each, a “Series 2020-B Warrant” and, together with the Series 2020-A Warrants, the “Warrants”) and one Series 2020-A Warrant. The Series 2020-A Warrants are exercisable beginning on the date of original issuance and will expire five years from the date of issuance, at an exercise price of $0.60 per share. The pre-funded Series 2020-B Warrants are exercisable beginning on the date of issuance at a nominal exercise price of $0.01 per share of common stock any time until the Series 2020-B Warrants are exercised in full. In connection with the Offering, the Company issued Series 2020-A Warrants to purchase an aggregate of 30,000,000 shares of common stock.

The net proceeds to the Company from the Offering were approximately $16.2 million, after deducting placement agent fees and other estimated offering expenses payable by the Company, and not including any future proceeds from the exercise of the Warrants. The Company intends to use the net proceeds from the Offering to fund working capital and for other general corporate purposes.

Conversion of 2020/21 Notes

On July 10, 2020, certain holders of the 2020/21 Notes converted $2.0 million in aggregate principal amount of 2020/21 Notes (including the conversion of an additional $0.3 million for make-whole payment) into an aggregate of 4,169,428 shares of common stock pursuant to the terms of the 2020/21 Indenture. There was $12.5 million principal outstanding for the 2020/21 Notes upon completion of the conversion of the 2020/21 Notes.

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

Forward-Looking Statements

This Quarterly Report on Form 10-Q (this “Report”) contains forward-looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). When used anywhere in this Report, the words “expect,” “believe,” “anticipate,” “estimate,” “intend,” “plan” and similar expressions are intended to identify forward-looking statements. These statements relate to future events or our future financial or operational performance and involve known and unknown risks, uncertainties and other factors that could cause our actual results, levels of activity, performance or achievements to differ materially from those expressed or implied by these forward-looking statements. These statements reflect our current views with respect to future events and are based on assumptions and subject to risks and uncertainties. These forward-looking statements include, among other things, statements about: the impact of the novel coronavirus ("COVID-19") pandemic on our business, our financial condition, our results of operation and liquidity, risks and uncertainties related to our ability to sell our products, our ability to expand or continue production of isobutanol, renewable hydrocarbon products and ethanol at our production facility in Luverne Minnesota (the “Luverne Facility”), our ability to meet our production, financial and operational guidance, our strategy to pursue low-carbon renewable fuels for sale into California and elsewhere, our ability to replace our fossil-based energy sources with renewable energy sources at our production facilities, our ability and plans to construct a commercial hydrocarbon facility to produce renewable premium gasoline and jet fuel, our ability to raise additional funds to continue operations and/or expand our production capabilities, our ability to perform under our existing renewable hydrocarbon offtake agreements and other supply agreements we may enter into in the future, our ability to enter into additional hydrocarbon supply agreements, our ability to obtain project finance debt and third-party equity for our renewable natural gas project, our ability to produce isobutanol, renewable hydrocarbon products and ethanol on a commercial level and at a profit, achievement of advances in our technology platform, the success of our upgraded production facility, the availability of suitable and cost-competitive feedstocks, our ability to gain market acceptance for our products, the expected cost-competitiveness and relative performance attributes of our isobutanol, renewable hydrocarbon products and ethanol, additional competition and changes in economic conditions and the future price and volatility of petroleum and products derived from petroleum. Important factors could cause actual results to differ materially from those indicated or implied by forward-looking statements such as those contained in documents we have filed with the U.S. Securities and Exchange Commission (the “SEC”), including this Report in Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations” our Annual Report on Form 10-K for the year ended December 31, 2019 (our “Annual Report”), and subsequent reports on Form 10-Q, including Item 1A. "Risk Factors" of this Report. All forward-looking statements in this Report are qualified entirely by the cautionary statements included in this Report and such other filings. These risks and uncertainties could cause actual results to differ materially from results expressed or implied by forward-looking statements contained in this Report. These forward-looking statements speak only as of the date of this Report. We undertake no intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, and readers should not rely on the forward-looking statements as representing the Company’s views as of any date subsequent to the date of the filing of this Report.

Unless the context requires otherwise, in this Report the terms “we,” “us,” “our” and the “Company” refer to Gevo, Inc. and its subsidiaries.

The following discussion should be read in conjunction with our unaudited consolidated financial statements and the related notes and other financial information appearing elsewhere in this Report. Readers are also urged to carefully review and consider the various disclosures made by us which attempt to advise interested parties of the factors which affect our business, including, without limitation, the disclosures in our Annual Report.

Company Overview

We are a growth-oriented renewable fuels company that is commercializing the next generation of renewable low-carbon liquid transportation fuels with the potential to achieve a “net zero” greenhouse gas (“GHG”) footprint and address global needs of reducing GHG emissions with sustainable alternatives to petroleum fuels. As next generation renewable fuels, our hydrocarbon transportation fuels have the advantage of being “drop-in” substitutes for conventional fuels that are derived from crude oil, working seamlessly and without modification in existing fossil-fuel based engines, supply chains and storage infrastructure. In addition to the potential of net zero carbon emissions across the whole fuel life-cycle, our renewable fuels eliminate other pollutants associated with the burning of traditional fossil fuels such as particulates and sulfur, while delivering superior performance. We believe that the world is substantially under-supplied with low-carbon, drop-in renewable fuels that can be immediately used in existing transportation engines and infrastructure, and we are uniquely positioned to grow in serving that demand.

33

We use low-carbon, renewable resource-based carbohydrates as raw materials. In the near-term, our feedstocks will primarily consist of non-food corn. As our technology is applied globally, feedstocks can consist of sugar cane, molasses or other cellulosic sugars derived from wood, agricultural residues and waste. Our patented fermentation yeast biocatalyst produces isobutanol, a four-carbon alcohol, via the fermentation of renewable plant biomass carbohydrates. The resulting renewable isobutanol has a variety of direct applications but, more importantly to our fundamental strategy, serves as a building block to make renewable isooctane (which we refer to as renewable premium gasoline) and renewable jet fuel using simple and common chemical conversion processes. We also reduce or eliminate fossil-based process energy inputs by replacing them with renewable energy such as wind-powered electricity and renewable natural gas (“RNG”).

COVID-19

The COVID-19 pandemic has had an adverse impact on global commercial activity, including the global transportation industry and our supply chain, and has contributed to significant volatility in the financial markets. In light of the current and potential future disruption to our own business operations and those of our customers, suppliers and other third parties with whom we do business, we considered the impact of the COVID-19 pandemic on our business. This analysis considered our business' resilience and continuity plans, financial modeling and stress testing of liquidity and financial resources.

We expect that the impact of the COVID-19 pandemic on general economic activity will negatively impact our revenue and operating results for at least the remainder of 2020. The suspension of ethanol production at our Luverne Facility for the foreseeable future and reduction in our workforce during the first quarter of 2020 due to the impact of COVID-19 had an adverse impact on our financial results for the second quarter of 2020 reducing revenue by 81% compared to the same period in 2019. We expect that the suspension of ethanol production at the Luverne Facility and reduction in workforce will allow us to reduce our cash burn during 2020.

As an increasing percentage of our employees work remotely, we face the risk that unusual working arrangements could impact the effectiveness of our operations or controls. A potential COVID-19 infection of any of our key employees could materially and adversely impact our operations. In addition, it is possible that COVID-19 restrictions could create difficulty for satisfying our legal or regulatory filing or other obligations, including with the SEC and other regulators.

There is also a risk that COVID-19 could have a material adverse impact on customer demand and cash flow for the remainder of 2020 and beyond. We will continue to monitor the situation and assess possible implications to our business and our stakeholders and will take appropriate actions to help mitigate adverse consequences. The extent to which COVID-19 impacts our business and financial position will depend on future developments, which are difficult to predict, including the severity, duration and scope of the COVID-19 outbreak as well as the types of measures imposed by governmental authorities to contain the virus or address its impact and the duration of those actions and measures.

We have considered multiple scenarios, with both positive and negative inputs, as part of the significant estimates and assumptions that are inherent in our financial statements and are based on trends in customer behavior and the economic environment throughout the quarter ended June 30, 2020 and beyond as the COVID-19 pandemic has impacted the industries in which we operate. These estimates and assumptions include the collectability of billed and unbilled receivables, the estimation of revenue and tangible and intangible assets. With regard to collectability, we believe we may face atypical delays in client payments going forward but we have not experienced delays in collection as of June 30, 2020. In addition, we believe that the demand for certain discretionary lines of business may decrease, and that such decrease will impact our financial results in succeeding periods. Non-discretionary lines of business may also be adversely affected, for example because reduced economic activity or disruption in hydrocarbon markets reduces demand for or the extent of alcohol-to-jet ("ATJ"), isooctane and isooctene. We believe that these trends and uncertainties are comparable to those faced by other registrants as a result of the pandemic.

In response to the impact of the COVID-19 pandemic, each of Patrick R. Gruber, our Chief Executive Officer, Christopher M. Ryan, our President, Chief Operating Officer and Chief Technology Officer, L. Lynn Smull, our Chief Financial Officer, Timothy J. Cesarek, our Chief Commercial Officer, Geoffrey T. Williams, Jr., our General Counsel and Secretary, and Carolyn M. Romero, our Vice President - Controller and Principal Accounting Officer (collectively, the “Officers”) accepted 20% reductions to their base salaries as of April 1, 2020 and will continue until July 31, 2020. In connection with the 20% salary reduction, the Officers were granted Company stock in the form of restricted stock awards in an amount equal to the 20% reduction. Certain remaining employees that earn above a certain dollar threshold also agreed to take a 20% salary reduction effective April 1, 2020 and will continue through July 31, 2020, with the 20% portion to be paid in the form of restricted stock awards.

34

In addition, the effectiveness of external parties, including governmental and non-governmental organizations, in combating the spread and severity of COVID 19 could have a material impact on demand for our business. Further, steps taken by market counter parties such as commercial airlines could have an impact on their ability to perform agreements to which we are a party, which could impact our business. The rapid development and fluidity of this situation precludes any prediction as to the ultimate adverse impact of COVID 19 on our business.

COVID-19 has materially disrupted, and could continue to materially disrupt, our own business operations and the services we provide, as well as the business operations of our customers, suppliers and other third parties with whom we interact. As an increasing percentage of our colleagues work remotely, we face the risk that unusual working arrangements could impact the effectiveness of our operations or controls. A potential COVID-19 infection of any of our key colleagues could materially and adversely impact our operations. In addition, it is possible that COVID-19 restrictions could create difficulty for satisfying our legal or regulatory filing or other obligations, including with the SEC and other regulators.

In addition, in connection with the impact that the COVID-19 pandemic has had on the economy and on the resulting disruption to the airline industry specifically, we and Delta Air Lines, Inc. (“Delta”) amended portions of our previously disclosed Fuel Sales Agreement (the “Delta Agreement”) on April 22, 2020 (the “Delta Amendment”). The Delta Amendment provides that Delta may terminate the Delta Agreement if we do not notify Delta by June 30, 2024 that the facility for the production, refining and delivery of ATJ with a nameplate capacity of up to 12 million gallons per year (the “Facility”) has achieved commercial operation and the ability to produce and deliver the ATJ purchased pursuant to the Delta Agreement (the date upon which such operation occurs is referred to as the “Commencement Date”).

The Delta Amendment also revises the credit support terms in the Delta Agreement to state that we and Delta will work to mutually agree upon credit support terms for the take or pay that are acceptable to our lender to enable us to obtain third party financing prior to the earlier of the time that we obtain financing for construction of the Facility or otherwise issue a notice to commence construction of the Facility. If we and Delta are unable to agree on reasonable credit support terms, we may terminate the Delta Agreement. The balance of Delta’s credit support obligations were deleted.

In addition, the Delta Amendment revises the ATJ pricing in the Delta Agreement to the extent that if Brent Crude is below a certain cutoff price as of the date that is 60 days prior to the Commencement Date (the “Commencement Notice Date”), then the pricing adjusts based upon a formula related to the Brent crude prices as of the Commencement Notice Date. The Delta Amendment also provides that, if as of the Commencement Notice Date, the Brent Crude price is below the price adjustment range, Delta may eliminate the take-or-pay requirements of the Delta Agreement, which includes eliminating Delta’s obligation to take-or-pay the 10 million gallons per year of ATJ. Instead, the Delta Agreement would require us and Delta to agree at that time on the volumes and price of any ATJ to be sold under the Delta Agreement.

The rapidly evolving changes in financial markets could have a material impact on our ability to obtain financing, which could impact our liquidity. In April 2020, we entered into two loan agreements with Live Oak Banking Company, pursuant to which we obtained two loans from the Small Business Administration's Paycheck Protection Program (“SBA PPP”) totaling $1.0 million in the aggregate (the "SBA Loans"). The SBA Loans will mature in April 2022 and bear interest at a rate equal to 1% per annum, subject to the potential for partial or full loan forgiveness as dictated by U.S. federal law. Principal and interest are deferred until November 2020 and interest continues to accrue during the deferral period. The SBA Loans are payable monthly beginning November 5, 2020, with aggregate payments totaling $0.06 million per month, including interest and principal. The SBA Loans must be used for payroll, rent payments, mortgage interest payments and utilities payments as governed by the SBA PPP and are subject to partial or full forgiveness for the initial eight-week period following the loan disbursement if all proceeds are used for eligible purposes and within certain thresholds, we maintain certain employment levels and the we maintain certain compensation levels. No assurance can be given that we will obtain forgiveness of the loan in whole or in part. The loan contains customary events of default relating to, among other things, payment defaults, making materially false and misleading representations to the lender or breaching the terms of the loan documents.

In addition, during the three months ended June 30, 2020, we issued 917,345 shares of common stock under the at-the-market offering program for net proceeds of $1.2 million, net of commissions and offering related expenses.

Furthermore, on July 6, 2020, we completed a public offering (the “Offering”) of (i) 20,896,666 Series 1 units (the “Series 1 Units”) at a price of $0.60 per Series 1 Unit, and (ii) 9,103,334 Series 2 units (the “Series 2 Units”) at a price of $0.59 per Series 2 Unit.

The net proceeds to the Company from the Offering were approximately $16.2 million, after deducting placement agent fees and other estimated offering expenses payable by the Company, and not including any future proceeds from the exercise of the Warrants. The Company intends to use the net proceeds from the Offering to fund working capital and for other general corporate purposes.

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On July 10, 2020, certain holders of our 2020/21 Notes (as defined herein) converted $2 million in aggregate principal amount of 2020/21 Notes (including the conversion of an additional $0.3 million for make-whole payment) into an aggregate of 4,169,428 shares of common stock pursuant to the terms of the 2020/21 Indenture (as defined herein). There was $12.5 million principal outstanding for the 2020/21 Notes upon completion of the conversion of the 2020/21 Notes.

Restructuring Expenses

During the first quarter of 2020, we suspended our ethanol production at the Luverne Facility. In addition, due to the impact of the COVID-19 pandemic on the global economy and our industry, we also reduced our workforce impacting 26 people at the Luverne Facility and four people at our corporate headquarters. 

We incurred $0.1 million related to severance costs and $0.2 million related to lease agreements for which we will no longer receive value during the six months ended June 30, 2020, which are recorded as Restructuring expenses on the Consolidated Statements of Operations.

We intend to continue developing our hydrocarbon business, including the planned expansion of the Luverne Facility, and we expect to move forward in securing the project funding needed to expand the Luverne Facility. The expansion is designed to allow us to produce large quantities of low carbon isobutanol, sustainable aviation fuel and renewable isooctane. We also expect to continue engineering efforts for the expansion of isobutanol production and the construction of a commercial renewable hydrocarbon production facility, as well as additional decarbonization projects, at the Luverne Facility.

Financial Condition

For the six months ended June 30, 2020, we incurred a consolidated net loss of $15.3 million and, as of June 30, 2020, we had an accumulated deficit of $473.3 million. Our cash and cash equivalents at June 30, 2020 totaled $6.3 million, which is primarily being used for the following: (i) operating activities at our corporate headquarters in Colorado, including research and development work; (ii) development costs associated with RNG; (iii) exploration of strategic alternatives and new financings; (iv) debt service obligations; and (v) maintaining our Luverne Facility. As of July 31, 2020, our cash and cash equivalents totaled $21.4 million.

The continued operation of our business is dependent upon raising additional capital through future public and private equity offerings, debt financings or through other alternative financing arrangements. In addition, successful completion of our research and development programs and the attainment of profitable operations are dependent upon future events, including our ability to raise sufficient capital to expand our commercial production facility, completion of our development activities resulting in sales of isobutanol or isobutanol-derived products and/or technology, achieving market acceptance and demand for our products and services and attracting and retaining qualified personnel.

We expect to incur future net losses as we continue to fund the development and commercialization of our products and product candidates. We have primarily relied on raising capital to fund our operations and debt service obligations by issuing common stock and warrants in underwritten public offerings. Those issuances have caused significant dilution to our existing stockholders. While we have sought, and will continue to seek, other, less dilutive forms of financing to fund our operations and debt service obligations, there is no assurance that we will be successful in doing so.

Our transition to profitability is dependent upon, among other things, the successful development and commercialization of our products and product candidates, the achievement of a level of revenues adequate to support our cost structure and securing sufficient financing for the expansion of the Luverne Facility or a facility at another suitable location. We may never achieve profitability or generate positive cash flows, and unless and until we do, we will continue to need to raise additional cash. We intend to fund future operations through additional private and/or public offerings of debt or equity securities. In addition, we may seek additional capital through arrangements with strategic partners or from other sources, may seek to restructure our debt and we will continue to address our cost structure. Notwithstanding, there can be no assurance that we will be able to raise additional funds or achieve or sustain profitability or positive cash flows from operations, especially in light of the impact of the COVID-19 pandemic on us and the financial markets in general.

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Results of Operations

Comparison of the Three Months Ended June 30, 2020 and 2019

	Three Months Ended June 30,
(in thousands)	2020			2019			Change
Revenue and cost of goods sold
Ethanol sales and related products, net	$	83		$	4,966		$	(4,883	)
Hydrocarbon revenue		859			92			767
Other revenue		46			28			18
Total revenues		988			5,086			(4,098	)
Cost of goods sold		2,644			8,452			(5,808	)
Gross loss		(1,656	)		(3,336	)		1,710
Operating expenses
Research and development expense		677			945			(268	)
Selling, general and administrative expense		2,919			2,182			737
Restructuring costs		5			—			5
Total operating expenses		3,601			3,127			474
Loss from operations		(5,257	)		(6,493	)		1,236
Other income (expense)
Interest expense		(541	)		(767	)		226
(Loss) on modification of 2020 Notes		(57	)		—			(57	)
Gain from change in fair value of derivative warrant liability		1			2			(1	)
(Loss) gain from change in fair value of 2020/21 Notes and 2020 Notes embedded derivative liability		(176	)		148			(324	)
Other income		(13	)		20			(33	)
Total other income (expense), net		(786	)		(597	)		(189	)
Net loss	$	(6,043	)	$	(7,090	)	$	1,047

Revenue. Revenue from the sale of ethanol, isobutanol and related products for the three months ended June 30, 2020 was $1.0 million, a decrease of $4.1 million compared to the three months ended June 30, 2019. This decrease was primarily the result of terminating ethanol and distiller's grains production at the Luverne Facility in March 2020 as a result of COVID-19 and in response to an unfavorable commodity environment during the three months ended June 30, 2020. During the three months ended June 30, 2020, we sold 0 gallons of ethanol compared to 3.1 million gallons of ethanol sold in the three months ended June 30, 2019. We do not expect to earn revenue while the Luverne Facility's operations are suspended.

Hydrocarbon revenues are comprised of ATJ, isooctane and isooctene sales. Hydrocarbon sales increased by $0.8 million during the three months ended June 30, 2020 as a result of increased shipments of finished products from our demonstration plant located at the South Hampton Resources, Inc. facility near Houston, Texas (the “South Hampton Facility”).

Cost of goods sold. Cost of goods sold was $2.6 million during the three months ended June 30, 2020, compared with $8.5 million during the three months ended June 30, 2019, a decrease of approximately $5.8 million, primarily the result of terminating ethanol production in March 2020 as a result of COVID-19 and in response to an unfavorable commodity environment. Cost of goods sold included approximately $1.0 million associated with the production of isobutanol and related products maintenance of the Luverne Facility and approximately $1.6 million in depreciation expense during the three months ended June 30, 2020.

Until the Luverne Facility restarts production, cost of goods sold will primarily be comprised of costs to process ATJ, isooctane and isooctene at our South Hampton Facility as well as costs to maintain the Luverne Facility.

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Research and development expense. Research and development expense decreased by approximately $0.3 million during the three months ended June 30, 2020, compared with the three months ended June 30, 2019, due primarily to a decrease in personnel and consulting expenses.

Selling, general and administrative expense. Selling, general and administrative expense increased by approximately $0.7 million during the three months ended June 30, 2020, compared with the three months ended June 30, 2019, due primarily to an increase in personnel, consulting and insurance expenses and professional fees.

Interest expense. Interest expense during the three months ended June 30, 2020 was $0.5 million, a decrease of $0.2 million compared to the three months ended June 30, 2019, due to lower amortization of original issue discounts and debt issuance costs.

(Loss) from modification of 2020 Notes. During the three months ended June 30, 2020, we incurred $0.1 million of legal and professional fees related to the modification of the 2020 Notes into the 2020/21 Notes.

(Loss) gain from change in fair value of the 2020/21 Notes and 2020 Notes embedded derivative liability. During the three months ended June 30, 2020, the estimated fair value of the 2020/21 Notes embedded derivative liability increased resulting in a non-cash loss of $0.2 million, primarily due to the revaluation of the embedded derivative liability.

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Comparison of the Six Months Ended June 30, 2020 and 2019

	Six Months Ended June 30,
(in thousands)	2020			2019			Change
Revenue and cost of goods sold
Ethanol sales and related products, net	$	3,783		$	10,630		$	(6,847	)
Hydrocarbon revenue		984			831			153
Other revenue		46			28			18
Total revenues		4,813			11,489			(6,676	)
Cost of goods sold		10,783			17,413			(6,630	)
Gross loss		(5,970	)		(5,924	)		(46	)
Operating expenses
Research and development expense		1,257			1,923			(666	)
Selling, general and administrative expense		5,702			4,274			1,428
Restructuring costs		304			—			304
Total operating expenses		7,263			6,197			1,066
Loss from operations		(13,233	)		(12,121	)		(1,112	)
Other income (expense)
Interest expense		(1,086	)		(1,522	)		436
(Loss) on modification of 2020 Notes		(726	)		—			(726	)
Gain from change in fair value of derivative warrant liability		8			3			5
(Loss) gain from change in fair value of 2020/21 Notes and 2020 Notes embedded derivative liability		(276	)		394			(670	)
Other income		17			20			(3	)
Total other income (expense), net		(2,063	)		(1,105	)		(958	)
Net loss	$	(15,296	)	$	(13,226	)	$	(2,070	)

Revenue. Revenue from the sale of ethanol, isobutanol and related products for the six months ended June 30, 2020 was $4.8 million, a decrease of $6.7 million compared to the six months ended June 30, 2019. This decrease was primarily the result of terminating ethanol and distiller's grains production at the Luverne Facility in March 2020 as a result of COVID-19 and in response to an unfavorable commodity environment during the six months ended June 30, 2020. During the six months ended June 30, 2020, we sold 2.4 million gallons of ethanol compared to 6.8 million gallons of ethanol sold in the six months ended June 30, 2019. We do not expect to earn revenue while the Luverne Facility's operations are suspended.

Hydrocarbon sales increased by $0.2 million during the six months ended June 30, 2020 as a result of increased shipments of finished products from our demonstration plant located at the South Hampton Facility.

Cost of goods sold. Cost of goods sold was $10.8 million during the six months ended June 30, 2020, compared with $17.4 million during the six months ended June 30, 2019, a decrease of approximately $6.6 million, primarily the result of terminating ethanol production in March 2020 as a result of COVID-19 and in response to an unfavorable commodity environment. Cost of goods sold included approximately $7.6 million associated with the production of ethanol and related products and maintenance of the Luverne Facility and approximately $3.2 million in depreciation expense during the six months ended June 30, 2020.

Until the Luverne Facility restarts production, cost of goods sold will primarily be comprised of costs to process ATJ, isooctane and isooctene at our South Hampton Facility as well as costs to maintain the Luverne Facility.

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Research and development expense. Research and development expense decreased by approximately $0.7 million during the six months ended June 30, 2020, compared with the six months ended June 30, 2019, due primarily to a decrease in personnel and consulting expenses.

Selling, general and administrative expense. Selling, general and administrative expense increased by approximately $1.4 million during the six months ended June 30, 2020, compared with the six months ended June 30, 2019, due primarily to an increase in personnel, consulting  and insurance expenses and professional fees.

Restructuring Costs. During the six months ended June 30, 2020, we incurred $0.3 million of restructuring charges related to the restructuring of Agri-Energy, termination of employees at Agri-Energy and Gevo and renegotiating contracts.

Interest expense. Interest expense during the six months ended June 30, 2020 was $1.1 million, a decrease of $0.4 million compared to the six months ended June 30, 2019, due to lower amortization of original issue discounts and debt issuance costs.

(Loss) from modification of 2020 Notes. During the six months ended June 30, 2020, we incurred $0.7 million of legal and professional fees to modify the 2020 Notes into the 2020/21 Notes.

(Loss) gain from change in fair value of the 2020/21 Notes and 2020 Notes embedded derivative liability. During the six months ended June 30, 2020, the estimated fair value of the 2020/21 Notes embedded derivative liability increased resulting in a non-cash loss of $0.3 million, primarily due to the revaluation of the embedded derivative liability as a result of the modification of the 2020 Notes.

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Sources of Our Revenues

Our revenues are primarily derived from: (i) the sale of isobutanol, ethanol and related products; (ii) hydrocarbon sales consisting primarily of the sale of biojet fuel and isooctane derived from our isobutanol for purposes of certification and testing; and (iii) government grants and research and development programs. During the first quarter of 2020, we suspended our ethanol production at the Luverne Facility for the foreseeable future due to the impact of the COVID-19 pandemic on the economy and our industry as a whole.

Principal Components of Our Cost Structure

Cost of Goods Sold. Our cost of goods sold consists primarily of costs directly associated with ethanol production and initial operations for the production of isobutanol at the Luverne Facility such as costs for direct materials, direct labor, depreciation, other operating costs and certain plant overhead costs. Direct materials include corn feedstock, denaturant and process chemicals. Direct labor includes compensation of personnel directly involved in production operations at the Luverne Facility. Other operating costs include utilities and natural gas usage.

Research and Development. Our research and development costs consist of expenses incurred to identify, develop and test our technologies for the production of isobutanol and the development of downstream applications thereof. Research and development expenses include personnel costs (including stock-based compensation), consultants and related contract research, facility costs, supplies, depreciation and amortization expense on property, plant and equipment used in product development, license fees paid to third parties for use of their intellectual property and patent rights and other overhead expenses incurred to support our research and development programs.

Selling, General and Administrative. Selling, general and administrative expenses consist of personnel costs (including stock-based compensation), consulting and service provider expenses (including patent counsel-related costs), legal fees, marketing costs, insurance costs, occupancy-related costs, depreciation and amortization expenses on property, plant and equipment not used in our product development programs or recorded in cost of goods sold, travel and relocation expenses and hiring expenses.

Interest Expense. Our 2020/21 Notes have, and the 2020 Notes had, a fixed interest rate of 12%. As of June 30, 2020, the 2020/21 Notes had a principal balance of $14.5 million. As of December 31, 2019, the 2020 Notes had a principal balance of $14.1 million.

Liquidity and Capital Resources

Since our inception in 2005, we have devoted most of our cash resources to manufacturing ethanol, isobutanol and related products, research and development and selling, general and administrative activities related to the commercialization of ethanol, isobutanol, as well as related products from renewable feedstocks. We have incurred losses since inception and expect to incur losses through at least 2020. We have financed our operations primarily with proceeds from multiple sales of equity and debt securities, borrowings under debt facilities and product sales.

The continued operation of our business is dependent upon raising additional capital through future public and private equity offerings, debt financings or through other alternative financing arrangements. In addition, successful completion of our research and development programs and the attainment of profitable operations are dependent upon future events, including our ability to raise sufficient capital to expand our commercial production facility, completion of our development activities resulting in sales of isobutanol or isobutanol-derived products and/or technology, achieving market acceptance and demand for our products and services and attracting and retaining qualified personnel.

We expect to incur future net losses as we continue to fund the development and commercialization of our products and product candidates. We have primarily relied on raising capital to fund our operations and debt service obligations by issuing common stock and warrants in underwritten public offerings. Those issuances have caused significant dilution to our existing stockholders. While we have sought, and will continue to seek, other, less dilutive forms of financing to fund our operations and debt service obligations, there is no assurance that we will be successful in doing so.

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Our transition to profitability is dependent upon, among other things, the successful development and commercialization of our products and product candidates, the achievement of a level of revenues adequate to support our cost structure and securing sufficient financing for the expansion of the Luverne Facility or a Retrofit facility at another suitable location. We may never achieve profitability or generate positive cash flows, and unless and until we do, we will continue to need to raise additional cash. We intend to fund future operations through additional private and/or public offerings of debt or equity securities. In addition, we may seek additional capital through arrangements with strategic partners or from other sources, may seek to restructure our debt and we will continue to address our cost structure. Notwithstanding, there can be no assurance that we will be able to raise additional funds or achieve or sustain profitability or positive cash flows from operations.

As of June 30, 2020, we had an accumulated deficit of $473.3 million with cash and cash equivalents totaling $6.3 million.

The following table sets forth the major sources and uses of cash for each of the periods set forth below (in thousands):

	Six Months Ended June 30,
	2020			2019
Net cash used in operating activities	$	(10,805	)	$	(9,653	)
Net cash used in investing activities	$	(1,620	)	$	(4,556	)
Net cash provided by financing activities	$	2,460		$	9,630

Operating Activities

Our primary uses of cash from operating activities are personnel related expenses, research and development related expenses including costs incurred under development agreements, costs of licensing of technology, legal-related costs, expenses for maintenance of the Luverne Facility and for the operation of our South Hampton Facility.

During the six months ended June 30, 2020, net cash used for operating activities was $10.8 million compared to $9.7 million for the six months ended June 30, 2019. The $1.1 million decrease in operating cash flows was primarily due to reduced production at the Luverne Facility.

During the first quarter of 2020, we suspended for the foreseeable future our ethanol production at the Luverne Facility due to COVID-19 and an unfavorable commodity environment, largely the result of greater corn costs as compared to national markets than the region has historically produced. We are currently maintaining the Luverne Facility until we arrange financing of its expansion for the production of hydrocarbons.

Investing Activities

During the six months ended June 30, 2020, we used $1.6 million in cash for investing activities, substantially all of which related to capital expenditures at our Luverne Facility. We are installing equipment to fractionate and dry distillers grains at the Luverne Facility totaling approximately $3.0 million as of June 30, 2020. The cost of the fractionation machine and the thermal dryer have been funded with financing leases. No amounts are payable on these financing leases until the equipment is operational. The fractionation machine is expected to be operational in the first half of 2023.

We are developing a renewable natural gas "RNG" project comprised of anaerobic digesters to be located at three dairy farms in northwest Iowa, plus associated gas upgrading equipment, to supply our Luverne Facility with renewable thermal energy upon its startup in 2023. We expect to finance the RNG project, including finance-related costs and initial working capital, with approximately $57 million of combined project finance debt and third-party equity. Agri-Energy is expected to have a purchase option on approximately 50% of the RNG project’s estimated annual 350,000 MMBtu of RNG production. The RNG project is expected to be operational in late 2021 or early 2022, subject to securing adequate financing to complete the RNG project.

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Financing Activities

During the six months ended June 30, 2020, we generated $2.5 million in cash from financing activities, which primarily consisted of $2.2 million of net proceeds under our "at-the-market" offering program and receiving $1.0 million from the Small Business Administration's Paycheck Protection Program (“SBA PPP”) discussed below, offset by $0.4 million paid on loans payable - other.

At-the-Market Offering Program. In February 2018, we commenced an at-the-market offering program, which allows us to sell and issue shares of our common stock from time-to-time. In August 2019, the at-the-market offering program was amended to provide available capacity under the at-the-market offering program of $10.7 million.

During the six months ended June 30, 2020, we issued 1,343,121 shares of common stock under the at-the-market offering program for net proceeds of $2.2 million, net of commissions and offering related expenses. As of June 30, 2020, we had remaining capacity to issue up to $6.5 million of common stock under the at-the-market offering program.

Pursuant to Instruction I.B.6. to Form S-3, because our market capitalization was below $75 million as of the date of our Annual Report, we may only sell securities via Form S-3 if the aggregate market value of the securities sold by or on behalf of us during the 12-month period immediately prior to and including the date of the sale is no more than one-third of all common voting and nonvoting equity held by non-affiliates of us.

2020 Offering

On July 6, 2020, we completed a public offering (the “Offering”) of (i) 20,896,666 Series 1 units (the “Series 1 Units”) at a price of $0.60 per Series 1 Unit, and (ii) 9,103,334 Series 2 units (the “Series 2 Units”) at a price of $0.59 per Series 2 Unit. The Offering was made under a registration statement on Form S-1 filed with the Securities and Exchange Commission, declared effective on June 30, 2020.

Each Series 1 Unit consists of one share of the Company’s common stock and one Series 2020-A warrant to purchase one share of the Company’s commons stock (each, a “Series 2020-A Warrant”). Each Series 2 Unit consists of a pre-funded Series 2020-B warrant to purchase one share of the Company’s common stock (each, a “Series 2020-B Warrant” and, together with the Series 2020-A Warrants, the “Warrants”) and one Series 2020-A Warrant. The Series 2020-A Warrants are exercisable beginning on the date of original issuance and will expire five years from the date of issuance, at an exercise price of $0.60 per share. The pre-funded Series 2020-B Warrants are exercisable beginning on the date of issuance at a nominal exercise price of $0.01 per share of common stock any time until the Series 2020-B Warrants are exercised in full. In connection with the Offering, we issued Series 2020-A Warrants to purchase an aggregate of 30,000,000 shares of common stock.

The net proceeds from the Offering were approximately $16.2 million, after deducting placement agent fees and other estimated offering expenses payable by us, and not including any future proceeds from the exercise of the Warrants. We intend to use the net proceeds from the Offering to fund working capital and for other general corporate purposes.

2020/21 Notes

On January 10, 2020, the Company entered into an Exchange and Purchase Agreement (as amended, the “2020/21 Purchase Agreement”) with the guarantors party thereto (the "Guarantors"), the holder of the 2020 Notes and Whitebox Advisors LLC ("Whitebox"), in its capacity as representative of the holder. Pursuant to the terms of the 2020/21 Purchase Agreement, the holder of the 2020 Notes, subject to certain conditions, agreed to exchange all of the outstanding principal amount of the 2020 Notes, which was approximately $14.1 million including unpaid accrued interest, for approximately $14.4 million in aggregate principal amount of the Company's newly created 2020/21 Notes (the “2020/21 Exchange”). Pursuant to the 2020/21 Purchase Agreement, the Company also granted an option to purchase up to an additional aggregate principal amount of approximately $7.1 million of 2020/21 Notes (the “2020/21 Option Notes”), at a purchase price equal to the aggregate principal amount of such 2020/21 Option Notes purchased less an original issue discount of 2.0%, having identical terms (other than with respect to the issue date and restrictions on transfer relating to compliance with applicable securities law) to the 2020/21 Notes issued, at any time during the period beginning on the date of closing of the 2020/21 Exchange and ending on the later of (a) 180 days thereafter, and (b) 30 days following June 3, 2020. In addition, on January 10, 2020, the Company completed the 2020/21 Exchange and cancelled the 2020 Notes. In addition, the Company entered into an Indenture by and among the Company, the guarantors named therein (the “2020/21 Notes Guarantors”) and FSB, as trustee and as collateral trustee (the “Original Indenture”), as supplemented by that certain First Supplemental Indenture, dated as of April 7, 2020 (the “First Supplemental Indenture” and, together with the Original Indenture, the “2020/21 Notes Indenture”), pursuant to which the Company issued the 2020/21 Notes. During the six months ended June 30, 2020, the Company recognized an approximately $0.7 million loss on the 2020/21 Exchange within the Consolidated Statements of Operations.

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The 2020/21 Notes will mature on December 31, 2020, provided that the maturity date will automatically be extended to April 1, 2021 if the aggregate outstanding principal balance of the 2020/21 Notes (including any 2020/21 Option Notes) as of December 15, 2020 is less than $7 million. The 2020/21 Notes bear interest at a rate equal to 12% per annum (with 4% potentially payable as PIK Interest (as defined below) at our option), payable on March 31, June 30, September 30, and December 31 of each year. Under certain circumstances, we have the option to pay a portion of the interest due on the 2020/21 Notes by either (a) increasing the principal amount of the 2020/21 Notes by the amount of interest then due or (b) issuing additional 2020 Notes with a principal amount equal to the amount of interest then due (interest paid in the manner set forth in (a) or (b) being referred to as “PIK Interest”).

The 2020/21 Notes are convertible into shares of our common stock, subject to certain terms and conditions. The initial conversion price of the 2020/21 Notes is equal to $2.442 per share of common stock, or 0.4095 shares of common stock per $1 principal amount of 2020 Notes.

On July 10, 2020, certain holders of the 2020/21 Notes converted $2 million in the aggregate principal amount of 2020/21 Notes (including the conversion of an additional $0.3 million for make-whole payment) into 4,169,428 shares of common stock pursuant to the terms of the indenture. There was $12.5 million principal outstanding for the 2020/21 Notes upon completion of the conversion of the 2020/21 Notes.

See Note 9, Debt, to our consolidated financial statements included herein for further discussion of the 2020/21 Notes.

Loans Payable - Other

During the first quarter of 2020, we purchased equipment under a financing lease. During the fourth quarter of 2019, we financed part of our insurance obligation. The equipment notes and financing lease pay interest between 4% and 21%, have total monthly payments of $0.1 million and mature at various date from August 2020 to February 2025. The equipment loans are secured by the related equipment.

In April 2020, the Company and Agri-Energy each entered into a loan agreement with Live Oak Banking Company, pursuant to which the Company and Agri-Energy obtained loans from the SBA PPP totaling $1.0 million in the aggregate (the "SBA Loans"). The SBA Loans will mature in April 2022 and bear interest at a rate equal to 1% per annum, subject to the potential for partial or full loan forgiveness as dictated by U.S. federal law. Principal and interest are deferred until November 2020 and interest continues to accrue during the deferral period. The SBA Loans are payable monthly beginning November 5, 2020, with aggregate payments totaling $0.06 million per month, including interest and principal. The SBA Loans must be used for payroll, rent payments, mortgage interest payments and utilities payments as governed by the SBA PPP and are subject to partial or full forgiveness for the initial eight-week period following the loan disbursement if all proceeds are used for eligible purposes and within certain thresholds, the Company maintains certain employment levels and the Company maintains certain compensation levels.

See Note 9, Debt, to our consolidated financial statements included herein for further discussion.

Critical Accounting Policies and Estimates

There have been no significant changes to our critical accounting policies since December 31, 2019. For a description of critical accounting policies that affect our significant judgments and estimates used in the preparation of our consolidated financial statements, refer to our Annual Report.

44

Off-Balance Sheet Arrangements

As of June 30, 2020, we did not have any material off-balance sheet arrangements, except for operating lease obligations.

Item 3. Quantitative and Qualitative Disclosures About Market Risk.

We are a smaller reporting company as defined by Rule 12b-2 of the Exchange Act and are not required to provide information under this item.

Item 4. Controls and Procedures.

Evaluation of Disclosure Controls and Procedures

We maintain disclosure controls and procedures, as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act, that are designed to provide reasonable assurance that information required to be disclosed by us in the reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC rules and forms, and that such information is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required financial disclosures.

Management, including the participation of our Chief Executive Officer and our Chief Financial Officer, conducted an evaluation (pursuant to Rule 13a-15(b) of the Exchange Act) of the effectiveness of our disclosure controls and procedures as of the end of the period covered by this Report. Based on this evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of June 30, 2020. In designing and evaluating our disclosure controls and procedures, management recognized that disclosure controls and procedures, no matter how well conceived and operated, can provide only reasonable but not absolute assurance that the objectives of the disclosure controls and procedures are met. The design of any disclosure control and procedure also is based in part upon certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions.

Changes in Internal Control Over Financial Reporting

There have been no changes in our internal control over financial reporting during the quarter ended June 30, 2020 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting. 

45

PART II. OTHER INFORMATION

Item 1. Legal Proceedings.

From time to time, we have been and may again become involved in legal proceedings arising in the ordinary course of our business. We are not presently a party to any litigation that we believe to be material and we are not aware of any pending or threatened litigation against us that we believe could have a material adverse effect on our business, operating results, financial condition or cash flows.

Item 1A. Risk Factors.

You should carefully consider the risk factors discussed in Part I, Item 1A. “Risk Factors” in our Annual Report, which could materially affect our business, financial condition, cash flows or future results. Except as set forth below, there have been no material changes in our risk factors included in our Annual Report. The risk factors in our Annual Report are not the only risks facing our company. Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial also may materially adversely affect our business, financial condition or future results.

Our business has been impacted by the COVID-19 pandemic, and our financial condition, results of operations and liquidity may be materially and adversely impacted by it in the future.

The COVID-19 pandemic has had an adverse impact on global commercial activity, including the global transportation industry and its supply chain, and has contributed to significant volatility in financial markets, including, among other effects, a decline in equity markets, changes in interest rates and reduced liquidity. It has also resulted in increased travel restrictions and extended shutdowns of businesses in various industries including, among others, the airline industry, and significantly reduced overall economic output. We expect that the impact of the COVID-19 pandemic on general economic activity will negatively impact our revenue and operating results for at least the remainder of 2020. The impact of the COVID-19 pandemic on the global transportation industry could result in less demand for our transportation fuel products which could have a material adverse effect on our business and financial condition. The suspension of ethanol production at our Luverne Facility for the foreseeable future and reduction in our workforce during the first quarter of 2020 due to the impact of COVID-19 had an adverse impact on our financial results for the second quarter of 2020 reducing revenue by 81% compared to the same period in 2019. There is also a risk that COVID-19 could have a material adverse impact on customer demand and cash flow.

The risks generally associated with the COVID-19 pandemic could magnify other risks discussed in this report and any of our SEC filings. For example, the rapidly evolving changes in financial markets could have a material impact on our ability to obtain additional financing, which could impact our liquidity. For example, volatility in the financial markets could make it more difficult to raise money from selling equity on the capital markets, the impact of COVID-19 on financial markets could limit potential lenders’ ability to provide funds for project finance of the planned expansion of the Luverne Facility or the terms of any project finance transactions could be worse than anticipated. In addition the effectiveness of external parties, including governmental and non-governmental organizations, in combating the spread and severity of COVID-19 could have a material impact on demand for our business. Further, steps taken by market counterparties such as commercial airlines could have an impact on their ability to perform under agreements to which we are a party, which could impact our business. For example, in connection with the impact that the COVID-19 pandemic has had on the economy and on the resulting disruption to the airline industry specifically, we and Delta amended portions of our previously disclosed Fuel Sales Agreement in April 2020, as discussed in “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Company Overview—COVID-19.” Other commercial counterparties may also seek to amend supply agreement in the future.

The COVID-19 pandemic could further and materially disrupt our own business operations and the services we provide, as well as the business operations of our customers, suppliers and other third parties with whom we interact. As an increasing percentage of our employees work remotely, we also face the risk that unusual working arrangements could impact the effectiveness of our operations or internal controls. In addition, a potential COVID-19 infection of any of our key employees could materially and adversely impact our operations. It is possible that COVID-19 restrictions could create difficulty for satisfying our legal or regulatory filing or other obligations, including with the SEC and other regulators.

46

There is also a risk that the COVID-19 pandemic could have a material adverse impact on customer demand and cash flow for the remainder of 2020 and beyond. We will continue to monitor the situation and assess possible implications to our business and its stakeholders and will take appropriate actions to help mitigate adverse consequences. The extent to which COVID-19 impacts our business and financial position will depend on future developments, which are difficult to predict, including the severity, duration and scope of the COVID-19 outbreak as well as the types of measures imposed by governmental authorities to contain the virus or address its impact and the duration of those actions and measures.

We have considered multiple scenarios, with both positive and negative inputs, as part of the significant estimates and assumptions that are inherent in its financial statements and are based on trends in customer behavior and the economic environment throughout the quarter ended June 30, 2020 and beyond as the COVID-19 pandemic has impacted the industries in which we operate. These estimates and assumptions include the collectability of billed and unbilled receivables and the estimation of revenue and tangible and intangible assets. With regard to collectability, we believe we may face atypical delays in client payments going forward but we have not experienced delays in collection as of June 30, 2020. In addition, we believe that the demand for certain discretionary lines of business may decrease, and that such decrease will impact our financial results in succeeding periods. Non-discretionary lines of business may also be adversely affected, for example because reduced economic activity or disruption in hydrocarbon markets reduces demand for or the extent of renewable alcohol-to-jet fuel (“ATJ”), isooctane and isooctene. We believe that these trends and uncertainties are comparable to those faced by other registrants as a result of the pandemic.

All of the foregoing events or potential outcomes, including in combination with other risk factors included in this Quarterly Report on Form 10-Q or our Annual Report, could cause a material adverse effect on our results of operations in any period and, depending on their severity, could also materially and adversely affect our financial condition. In addition, such events and outcomes could potentially impact our reputation with clients and regulators, among others. The rapid development and fluidity of the pandemic precludes any prediction as to the ultimate impact of the COVID-19 pandemic on us. The full extent of the impact and effects of the COVID-19 pandemic on our business, operations, liquidity, financial condition and results of operations remain uncertain at this time.

We may face substantial delays in obtaining regulatory approvals for use of our renewable premium gasoline product, which could substantially hinder our ability to commercialize our renewable premium gasoline product in the U.S.

Commercialization of our renewable premium gasoline product in the U.S. requires approvals from state and/or federal agencies. Before we can sell our renewable premium gasoline product as a fuel or as a gasoline blendstock, we must obtain certain approvals or certifications from the U.S. Environmental Protection Agency (“EPA”). There can be no assurances that the EPA will grant such approvals or certifications. Any delay or failure in receiving approval will slow or prevent the commercialization of our renewable premium gasoline product, which could have a material adverse effect on our business, financial condition and results of operations.

Additionally, California requires that fuels meet both its fuel certification requirements and a separate state low-carbon fuel standard. Any delay or failure in receiving approval for our renewable premium gasoline product will slow or prevent the commercialization of our renewable premium gasoline product, which could have a material adverse effect on our business, financial condition and results of operations.

There are also various third-party certification organizations, such as ASTM International and Underwriters’ Laboratories, Inc., involved in standard-setting regarding the transportation, dispensing and use of liquid fuel in the U.S. and abroad. These organizations may change the current standards and additional requirements may be enacted that could prevent or delay approval of our renewable premium gasoline product. The process of seeking required approvals and the continuing need for compliance with applicable standards may require the expenditure of substantial resources, and there is no guarantee that we will satisfy these standards in a timely manner, if ever.

47

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.

Issuer Purchases of Equity Securities

Period	Total Number of Shares Purchased		Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs		Maximum Number of Shares that May Yet Be Purchased Under the Plans or Programs
April 1, 2020 - April 30, 2020		—	$	—		—		—
May 1, 2020 - May 31, 2020 (1)		77,768	$	1.04		—		—
June 1, 2020 - June 30, 2020 (1)		208,556	$	1.08		—		—
Total		286,324	$	1.07		—		—

(1)  Represents shares withheld from employees to cover tax withholding obligations upon the vesting of restricted stock awards. The average prices listed in the above table are averages of the fair market prices at which we valued shares withheld for purposes of calculating the number of shares to be withheld.

Item 3. Defaults Upon Senior Securities.

None.

Item 4. Mine Safety Disclosures.

Not Applicable.

Item 5. Other Information.

None.

48

Item 6. Exhibits.

The exhibits listed below are filed or furnished as part of this report. 

Exhibit Number		Description	Previously Filed				Included Herewith
			Form	File No.	Filing Date	Exhibit
	3.1	Amended and Restated Certificate of Incorporation of Gevo, Inc.	10-K	001-35073	March 29, 2011	3.1
	3.2	Certificate of Amendment to Amended and Restated Certificate of Incorporation of Gevo, Inc.	8-K	001-35073	June 10, 2013	3.1
	3.3	Certificate of Amendment to Amended and Restated Certificate of Incorporation of Gevo, Inc.	8-K	001-35073	July 9, 2014	3.1
	3.4	Certificate of Amendment to Amended and Restated Certificate of Incorporation of Gevo, Inc.	8-K	001-35073	April 22, 2015	3.1
	3.5	Certificate of Amendment to Amended and Restated Certificate of Incorporation of Gevo, Inc.	8-K	001-35073	January 6, 2017	3.1
	3.6	Certificate of Amendment to Amended and Restated Certificate of Incorporation of Gevo, Inc.	8-K	001-35073	June 4, 2018	3.1
	3.7	Amended and Restated Bylaws of Gevo, Inc.	10-K	001-35073	March 29, 2011	3.2
	4.1	Form of Gevo, Inc. Common Stock Certificate.	S-1	333-168792	January 19, 2011	4.1
	4.2†	Stock Issuance and Stockholder’s Rights Agreement, dated July 12, 2005, by and between Gevo, Inc. and California Institute of Technology.	S-1	333-168792	August 12, 2010	4.3

49

Exhibit Number		Description	Previously Filed				Included Herewith
			Form	File No.	Filing Date	Exhibit
	4.3*	Indenture, dated January 10, 2020, by and among Gevo, Inc., the guarantors party thereto, and Wilmington Savings Fund Society, FSB, as trustee and as collateral trustee.	8-K	001-35073	January 13, 2020	4.1
	4.4	First Supplemental Indenture, by and among Gevo, Inc., the guarantors party thereto, Wilmington Savings Fund Society, FSB, as trustee and as collateral trustee, the requisite holders and Whitebox Advisors LLC.	8-K	001-35073	April 9, 2020	4.1
	4.5	Registration Rights Agreement, dated January 10, 2020, by and among Gevo, Inc. and the investors named therein.	8-K	001-35073	January 13, 2020	4.1
	4.6	Form of Series D Warrant to Purchase Common Stock.	8-K	001-35073	December 15, 2015	4.1
	4.7	Form of Amendment No. 1 to Series D Warrant	8-K	001-35073	June 13, 2016	4.1

50

Exhibit Number		Description	Previously Filed				Filed Herewith
			Form	File No.	Filing Date	Exhibit
	4.8	Form of Series F Warrant to Purchase Common Stock.	8-K	001-35073	April 5, 2016	4.1
	4.9	Form of Series I Warrant to Purchase Common Stock	8-K	001-35073	September 15, 2016	4.1
	4.10	Form of Series K Warrant to Purchase Common Stock	8-K	001-35073	February 22, 2017	4.1
	10.1	Letter Agreement, dated April 7, 2020, by and among Gevo, Inc., the guarantors party thereto and Whitebox Advisors LLC, for itself and on behalf of the holders.	8-K	001-35073	April 9, 2020	10.1
	10.2††	Amendment No. 1 to Fuel Sales Agreement, dated as of April 22, 2020, by and between the Company and Delta Air Lines, Inc.	8-K	001-35073	April 28, 2020	10.1
	10.3 #	Gevo, Inc. Amended and Restated 2010 Stock Incentive Plan	8-K	001-35073	June 5, 2020	10.1
	31.1	Section 302 Certification of the Principal Executive Officer.					X
	31.2	Section 302 Certification of the Principal Financial Officer.					X
	32.1	Section 906 Certification of the Principal Executive Officer and Principal Financial Officer.**					X**
	101	Financial statements from the Quarterly Report on Form 10-Q of Gevo, Inc. for the quarterly period ended June 30, 2020, formatted in XBRL: (i) the Consolidated Balance Sheets, (ii) the Consolidated Statements of Operations, (iii) the Consolidated Statements of Cash Flows, and (iv) Notes to the Consolidated Financial Statements.					X

†	Certain portions have been omitted pursuant to a confidential treatment request. Omitted information has been filed separately with the SEC.
††	Certain portions of the exhibit have been omitted pursuant to Rule 601(b)(10) of Regulation S-K. The omitted information is (i) not material and (ii) would likely cause competitive harm to the Company if publicly disclosed. of the exhibit
*	Certain schedules and exhibits have been omitted pursuant to Item 601(a)(5) of Regulation S-K under the Securities Exchange Act of 1934, as amended.

**	Furnished herewith.
#	Indicates a management contract or compensatory plan or arrangement.

51

SIGNATURES

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.

Gevo, Inc. (REGISTRANT)
By:	/s/ Carolyn M. Romero
	Carolyn M. Romero, CPA VP - Controller Principal Accounting Officer

Date: August 10, 2020

52

EX-31.1

Exhibit 31.1

CERTIFICATIONS

I, Patrick R. Gruber, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Gevo, Inc. (the “Registrant”);

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 officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-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 officer 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 the 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: August 10, 2020

/s/ Patrick R. Gruber

Patrick R. Gruber

Chief Executive Officer

(Principal Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATIONS

I, L. Lynn Smull, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Gevo, Inc. (the “Registrant”);

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 officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-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 officer 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 the 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: August 10, 2020

/s/ L. Lynn Smull

L. Lynn Smull

Chief Financial Officer

(Principal Financial Officer)

EX-32.1

Exhibit 32.1

CERTIFICATIONS PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

(18 U.S.C. SECTION 1350)

I, Patrick R. Gruber, Chief Executive Officer of Gevo, Inc. (the “Registrant”), and I, L. Lynn Smull, Chief Financial Officer of the Registrant, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Quarterly Report on Form 10-Q of the Registrant for the quarter ended June 30, 2020 (the “Report”), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant for the period covered by the Report.

Date: August 10, 2020

/s/ Patrick R. Gruber

Patrick R. Gruber

Chief Executive Officer

(Principal Executive Officer)

/s/ L. Lynn Smull

L. Lynn Smull

Chief Financial Officer

(Principal Financial Officer)

XML

Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2020	Jul. 31, 2020
Document Information [Line Items]
Entity Registrant Name	Gevo, Inc.
Entity Central Index Key	0001392380
Trading Symbol	gevo
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Current Reporting Status	Yes
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Interactive Data Current	Yes
Entity Common Stock, Shares Outstanding (in shares)		53,836,258
Entity Shell Company	false
Document Type	10-Q
Document Period End Date	Jun. 30, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Amendment Flag	false
Title of 12(b) Security	Common Stock, par value $0.01 per share

XML

Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands		Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents		$ 6,337	$ 16,302
Accounts receivable		746	1,135
Inventories		2,480	3,201
Prepaid expenses and other current assets		3,793	3,590
Total current assets		13,356	24,228
Property, plant and equipment, net		64,689	66,696
Investment in Juhl		1,500	1,500
Deposits and other assets		556	935
Total assets	[1]	80,101	93,359
Current liabilities:
Accounts payable and accrued liabilities		3,999	5,678
2020/21 Notes embedded derivative liability		276
Loans payable - other (current)		603	516
Total current liabilities		19,171	20,094
Loans payable - other (long-term)		774	233
Other long-term liabilities		269	528
Total liabilities		20,214	20,855
Commitments and Contingencies (see Note 11)
Stockholders' Equity
Common stock, $0.01 par value per share; 250,000,000 authorized; 15,514,098 and 14,083,232 shares issued and outstanding at June 30, 2020 and December 31, 2019, respectively.		154	141
Additional paid-in capital		533,015	530,349
Accumulated deficit		(473,282)	(457,986)
Total stockholders' equity		59,887	72,504
Total liabilities and stockholders' equity		80,101	93,359
Convertible 2020/21 Notes [Member]
Current liabilities:
Notes (current), net		$ 14,293
Convertible 2020 Notes [Member]
Current liabilities:
Notes (current), net			$ 13,900

[1] All other significant non-cash items relate to the activities of Gevo.

XML

Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Jun. 30, 2020	Dec. 31, 2019
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	250,000,000	250,000,000
Common stock shares issued (in shares)	15,514,098	14,083,232
Common stock, shares outstanding (in shares)	15,514,098	14,083,232

XML

Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenue and cost of goods sold
Revenue from contract with Customer	$ 988	$ 5,058	$ 4,813	$ 11,461
Other revenue	46	28	46	28
Total revenues	988	5,086	4,813	11,489
Cost of goods sold	2,644	8,452	10,783	17,413
Gross loss	(1,656)	(3,366)	(5,970)	(5,924)
Operating expenses:
Research and development expense	677	945	1,257	1,923
Selling, general and administrative expense	2,919	2,182	5,702	4,274
Restructuring expenses	5		304
Total operating expenses	3,601	3,127	7,263	6,197
Loss from operations	(5,257)	(6,493)	(13,233)	(12,121)
Other income (expense):
Interest expense	(541)	(767)	(1,086)	(1,522)
(Loss) on modification of 2020 Notes	(57)		(726)
Gain from change in fair value of derivative warrant liability	1	2	8	3
(Loss) gain from change in fair value of 2020/21 Notes and 2020 Notes embedded derivative liability	(176)	148	(276)	394
Other income (expense)	(13)	20	17	20
Total other income (expense), net	(786)	(597)	(2,063)	(1,105)
Net loss	$ (6,043)	$ (7,090)	$ (15,296)	$ (13,226)
Net loss per share - basic and diluted (in dollars per share)	$ (0.40)	$ (0.60)	$ (1.04)	$ (1.20)
Weighted-average number of common shares outstanding - basic and diluted (in shares)	15,071,105	11,885,524	14,771,952	11,024,482
Ethanol Sales and Related Products [Member]
Revenue and cost of goods sold
Revenue from contract with Customer	$ 83	$ 4,966	$ 3,783	$ 10,630
Total revenues	83	4,996	3,783	10,630
Hydrocarbon [Member]
Revenue and cost of goods sold
Revenue from contract with Customer	859	92	984	831
Total revenues	$ 859	$ 92	$ 984	$ 831

XML

Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Total
Balance	$ 86	$ 518,027	$ (429,326)	$ 88,787
Balance (in shares) at Dec. 31, 2018	8,640,583
Balance at Dec. 31, 2018	$ 86	518,027	(429,326)	88,787
Issuance of common stock, net of issue costs (in shares)	3,244,941
Issuance of common stock, net of issue costs	$ 33	9,611		9,644
Non-cash stock-based compensation		234		234
Net loss			(6,136)	(6,136)
Balance (in shares) at Mar. 31, 2019	11,885,524
Balance	$ 86	518,027	(429,326)	88,787
Balance (in shares) at Dec. 31, 2018	8,640,583
Balance at Dec. 31, 2018	$ 86	518,027	(429,326)	88,787
Net loss				(13,226)
Balance (in shares) at Jun. 30, 2019	11,885,524
Balance	$ 86	518,027	(429,326)	88,787
Balance	$ 119	527,872	(435,462)	92,529
Balance (in shares) at Mar. 31, 2019	11,885,524
Balance at Mar. 31, 2019	$ 119	527,872	(435,462)	92,529
Issuance of common stock, net of issue costs (in shares)
Issuance of common stock, net of issue costs		(14)		(14)
Non-cash stock-based compensation		172		172
Net loss			(7,090)	(7,090)
Balance (in shares) at Jun. 30, 2019	11,885,524
Balance	$ 119	527,872	(435,462)	92,529
Balance	119	528,030	(442,552)	85,597
Balance	$ 141	530,349	(457,986)	72,504
Balance (in shares) at Dec. 31, 2019	14,083,232
Balance at Dec. 31, 2019	$ 141	530,349	(457,986)	72,504
Issuance of common stock, net of issue costs (in shares)	425,776
Issuance of common stock, net of issue costs	$ 4	902		906
Non-cash stock-based compensation		336		336
Issuance of common stock under stock plans, net of taxes (in shares)	105,882
Issuance of common stock under stock plans, net of taxes
Net loss			(9,253)	(9,253)
Balance (in shares) at Mar. 31, 2020	14,614,890
Balance	$ 141	530,349	(457,986)	72,504
Balance (in shares) at Dec. 31, 2019	14,083,232
Balance at Dec. 31, 2019	$ 141	530,349	(457,986)	72,504
Net loss				(15,296)
Balance (in shares) at Jun. 30, 2020	15,514,098
Balance	$ 141	530,349	(457,986)	72,504
Balance	$ 145	531,587	(467,239)	64,493
Balance (in shares) at Mar. 31, 2020	14,614,890
Balance at Mar. 31, 2020	$ 145	531,587	(467,239)	64,493
Issuance of common stock, net of issue costs (in shares)	917,345
Issuance of common stock, net of issue costs	$ 9	1,238		1,247
Non-cash stock-based compensation		497		497
Issuance of common stock under stock plans, net of taxes (in shares)	(18,137)
Issuance of common stock under stock plans, net of taxes		(307)		(307)
Net loss			(6,043)	(6,043)
Balance (in shares) at Jun. 30, 2020	15,514,098
Balance	$ 145	531,587	(467,239)	64,493
Balance	$ 154	$ 533,015	$ (473,282)	$ 59,887

XML

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating Activities
Net loss	$ (15,296)	$ (13,226)
Adjustments to reconcile net loss to net cash used in operating activities:
(Gain) from change in fair value of derivative warrant liability	(8)	(3)
Loss (gain) from change in fair value of 2020/21 Notes and 2020 Notes embedded derivative liability	276	(394)
Loss on retirement of property, plant and equipment	38
Stock-based compensation	673	370
Depreciation and amortization	3,278	3,221
Non-cash lease expense	29	25
Non-cash interest expense	393	832
Other non-cash expense		1
Changes in operating assets and liabilities:
Accounts receivable	389	360
Inventories	721	(163)
Prepaid expenses and other current assets, deposits and other assets	164	(613)
Accounts payable, accrued expenses and long-term liabilities	(1,462)	(63)
Net cash used in operating activities	(10,805)	(9,653)
Investing Activities
Acquisitions of property, plant and equipment	(1,620)	(4,556)
Net cash used in investing activities	(1,620)	(4,556)
Financing Activities
Proceeds from SBA loans	1,006
Debt and equity offering costs	(115)	(248)
Proceeds from issuance of common stock	2,271	9,878
Net settlement of common stock under stock plans	(310)
Payment of loans payable - other	(392)
Net cash provided by financing activities	2,460	9,630
Net (decrease) increase in cash and cash equivalents	(9,965)	(4,579)
us-gaap_CashAndCashEquivalentsAbstract
Beginning of period	16,302	33,734
End of period	6,337	29,155
Cash paid for interest	693	690
Non-cash purchase of property, plant and equipment	32	506
Original issue discount paid with 2020/21 Notes	282
Right-of-use asset purchased with financing lease	13
Fair value of right-to-use asset and related lease liability upon adoption of ASC 842 - Leases		$ 1,244

XML

Note 1 - Nature of Business, Financial Condition and Basis of Presentation

6 Months Ended

Jun. 30, 2020

Notes to Financial Statements

Business Description and Basis of Presentation [Text Block]

1.

Nature of Business, Financial Condition and Basis of Presentation

Nature of Business

.  Gevo, Inc. (“Gevo” or the “Company,” which, unless otherwise indicated, refers to Gevo, Inc. and its subsidiaries) is a growth-oriented renewable fuels company that is commercializing the next generation of renewable low-carbon liquid transportation fuels with the potential to achieve a “net zero” greenhouse gas (“GHG”) footprint and address global needs of reducing GHG emissions with sustainable alternatives to petroleum fuels. As next generation renewable fuels, Gevo's hydrocarbon transportation fuels have the advantage of being “drop-in” substitutes for conventional fuels that are derived from crude oil, working seamlessly and without modification in existing fossil-fuel based engines, supply chains and storage infrastructure. In addition to the potential of net

zero

carbon emissions across the whole fuel life-cycle, Gevo's renewable fuels eliminate other pollutants associated with the burning of traditional fossil fuels such as particulates and sulfur, while delivering superior performance. Gevo believes that the world is substantially under-supplied with low-carbon, drop-in renewable fuels that can be immediately used in existing transportation engines and infrastructure, and Gevo is uniquely positioned to grow in serving that demand.

Gevo uses low-carbon, renewable resource-based carbohydrates as raw materials. In the near-term, Gevo's feedstocks will primarily consist of non-food corn. As Gevo's technology is applied globally, feedstocks can consist of sugar cane, molasses or other cellulosic sugars derived from wood, agricultural residues and waste. Gevo's patented fermentation yeast biocatalyst produces isobutanol, a

four

-carbon alcohol, via the fermentation of renewable plant biomass carbohydrates. The resulting renewable isobutanol has a variety of direct applications but, more importantly to Gevo's fundamental strategy, serves as a building block to make renewable isooctane (which we refer to as a renewable premium gasoline) and renewable jet fuel using simple and common chemical conversion processes. Gevo also reduces or eliminates fossil-based process energy inputs by replacing them with renewable energy such as wind-powered electricity and renewable natural gas (“RNG”).

Ultimately, the Company believes that the attainment of profitable operations is dependent upon future events, including (i) completing certain capital improvements at the Company's production facility located in Luverne, Minnesota (the "Luverne Facility") to increase the production capacity of renewable gasoline and jet fuel and other related products that can be made from isobutanol; (ii) completing the Company's development activities resulting in commercial production and sales of renewable hydrocarbon products; (iii) obtaining adequate financing to complete the Company's development activities, including the build out of renewable hydrocarbon capacity; (iv) gaining market acceptance and demand for the Company's products and services; (v) attracting and retaining qualified personnel; and (vi) achieving a level of revenues adequate to support the Company's cost structure.

COVID-

19.

  

The novel coronavirus ("COVID-

19"

) pandemic has had an adverse impact on global commercial activity, including the global transportation industry and its supply chain and has contributed to significant volatility in the financial markets. In light of the current and potential future disruption to the Company's business operations and those of its customers, suppliers and other

third

parties with whom the Company does business, the Company considered the impact of the COVID-

19

pandemic on its business. This analysis considered the Company's resilience and continuity plans, financial modeling and stress testing of liquidity and financial resources.

The Company expects that the impact of the COVID-

19

pandemic on general economic activity will negatively impact its revenue and operating results for at least the remainder of

2020.

The suspension of ethanol production at the Company's Luverne Facility for the foreseeable future and reduction in the Company's workforce during the

first

quarter of

2020

due to the impact of COVID-

19

had an adverse impact on the Company's financial results for the

second

quarter of

2020

reducing revenue by

81%

 compared to the same period in

2019.

 The Company expects that the suspension of ethanol production at the Luverne Facility and reduction in workforce will allow it to reduce its cash burn during

2020.

As an increasing percentage of the Company's employees work remotely, the Company faces the risk that unusual working arrangements could impact the effectiveness of its operations or controls. A potential COVID-

19

infection of any of its key employees could materially and adversely impact its operations. In addition, it is possible that COVID-

19

restrictions could create difficulty for satisfying the Company's legal or regulatory filing or other obligations, including with the SEC and other regulators.

There is also a risk that the COVID-

19

pandemic could have a material adverse impact on customer demand and cash flow for the remainder of

2020

and beyond. The Company will continue to monitor the situation and assess possible implications to the Company's business and its stakeholders and will take appropriate actions to help mitigate adverse consequences. The extent to which COVID-

19

impacts its business and financial position will depend on future developments, which are difficult to predict, including the severity, duration and scope of the COVID-

19

outbreak as well as the types of measures imposed by governmental authorities to contain the virus or address its impact and the duration of those actions and measures.

The Company has considered multiple scenarios, with both positive and negative inputs, as part of the significant estimates and assumptions that are inherent in its financial statements and are based on trends in customer behavior and the economic environment throughout the quarter ended

June 30, 2020

and beyond as the COVID-

19

pandemic has impacted the industries in which the Company operates. These estimates and assumptions include the collectability of billed and unbilled receivables and the estimation of revenue and tangible and intangible assets. With regard to collectability, the Company believes it

may

face atypical delays in client payments going forward but the Company has

not

experienced delays in collection as of

June 30, 2020.

In addition, management believes that the demand for certain discretionary lines of business

may

decrease, and that such decrease will impact its financial results in succeeding periods. Non-discretionary lines of business

may

also be adversely affected, for example because reduced economic activity or disruption in hydrocarbon markets reduces demand for or the extent of renewable alcohol-to-jet fuel (“ATJ”), isooctane and isooctene. The Company believes that these trends and uncertainties are comparable to those faced by other registrants as a result of the pandemic.

In response to the impact of the COVID-

19

pandemic, each of Patrick R. Gruber, the Company's Chief Executive Officer, Christopher M. Ryan, the Company's President, Chief Operating Officer and Chief Technology Officer, L. Lynn Smull, the Company's Chief Financial Officer, Timothy J. Cesarek, the Company's Chief Commercial Officer, Geoffrey T. Williams, Jr., the Company's General Counsel and Secretary, and Carolyn M. Romero, the Company's Vice President - Controller and Principal Accounting Officer (collectively, the “Officers”) accepted

20%

reductions to their base salaries. These reductions became effective as of

April 1, 2020

and will continue until 

July 31, 2020.

In connection with the

20%

salary reduction, the Officers were granted Company stock in the form of restricted stock awards in an amount equal to the

20%

reduction. Certain remaining employees that earn above a certain dollar threshold also agreed to take a

20%

salary reduction through

July 31, 2020,

with the

20%

portion to be paid in the form of restricted stock awards.

In addition, in connection with the impact that the COVID-

19

pandemic has had on the economy and on the resulting disruption to the airline industry specifically, the Company and Delta Air Lines, Inc. (“Delta”) amended portions of the Company's previously disclosed Fuel Sales Agreement (the “Delta Agreement”) on

April 22, 2020 (

the “Delta Amendment”).  The Delta Amendment provides that Delta

may

terminate the Delta Agreement if the Company does

not

notify Delta by

June 30, 2024

that the facility for the production, refining and delivery of ATJ with a nameplate capacity of up to

12

million gallons per year (the “Facility”) has achieved commercial operation and the ability to produce and deliver the ATJ purchased pursuant to the Delta Agreement (the date upon which such operation occurs is referred to as the “Commencement Date”).

The Delta Amendment also revises the credit support terms in the Delta Agreement to state that the Company and Delta will work to mutually agree upon credit support terms for the take or pay that are acceptable to the Company's lender to enable the Company to obtain

third

party financing prior to the earlier of the time that the Company obtains financing for construction of the Facility or otherwise issues a notice to commence construction of the Facility. If the Company and Delta are unable to agree on reasonable credit support terms, the Company

may

terminate the Delta Agreement. The balance of Delta's credit support obligations were deleted.

In addition, the Delta Amendment revises the ATJ pricing in the Delta Agreement to the extent that if Brent Crude is below a certain cutoff price as of the date that is

60

days prior to the Commencement Date (the “Commencement Notice Date”), then the pricing adjusts based upon a formula related to the Brent crude prices as of the Commencement Notice Date. The Delta Amendment also provides that, if as of the Commencement Notice Date, the Brent Crude price is below the price adjustment range, Delta

may

eliminate the take-or-pay requirements of the Delta Agreement, which includes eliminating Delta's obligation to take-or-pay the

10

million gallons per year of ATJ. Instead, the Delta Agreement would require the Company and Delta to agree at that time on the volumes and price of any ATJ to be sold under the Delta Agreement.

Restructuring Expenses.

 During the

first

quarter of

2020,

the Company suspended for the foreseeable future its ethanol production at the Luverne Facility. In addition, due to the impact of the COVID-

19

 pandemic on the global economy and the Company's industry, in

March 2020,

the Company reduced its workforce, impacting

26

people at the Luverne Facility and

four

 people at the Company's corporate headquarters. Affected employees were offered a severance package which included a

one

-time payment,

one

month of health insurance and acceleration of vesting for any unvested restricted stock awards.

The Company incurred

$0.1

million related to severance costs and

$0.2

million related to lease agreements for which it will

no

longer receive value during the

six

months ended

June 30, 2020,

which are recorded as

Restructuring expenses

on the Consolidated Statements of Operations. Restructuring expense totaled

$0.02

million and

$0.3

million for Gevo and Gevo Development/Agri-Energy segments, respectively, during the

six

months ended

June 30, 2020.

The Company intends to continue developing its hydrocarbon business, including the planned expansion of the Luverne Facility, and the Company expects to move forward in securing the project funding needed to expand the Luverne Facility. The expansion is designed to allow the Company to produce large quantities of low carbon isobutanol, sustainable aviation fuel and renewable isooctane. The Company also expects to continue engineering efforts for the expansion of isobutanol production and the construction of a commercial renewable hydrocarbon production facility, as well as additional decarbonization projects, at the Luverne Facility.

As of

June 30, 2020,

the Company had the following liabilities outstanding related to the restructuring expenses included in

"Accounts payable and accrued liabilities

" in the Consolidated Balance Sheets:

	December 31, 2019		Additions		Payments			June 30, 2020
Severance (including payroll taxes)	$	—	$	96	$	(96	)	$	—
Lease agreements		—		208		(120	)		88
Total	$	—	$	304	$	(216)		$	88

Financial Condition

. For the 

six

months ended

June 30, 2020 

and

2019,

the Company incurred a consolidated net loss of

$15.3

million and

$13.2

million, respectively, and had an accumulated deficit of

$473.3

million as of

June 30, 2020.

The Company's cash and cash equivalents as of 

June 30, 2020 

totaled

$6.3

 million and are expected to be used for the following purposes: (i) operating activities at the Company's corporate headquarters in Colorado, including research and development work; (ii) development projects associated with RNG; (iii) exploration of strategic alternatives and new financings; (iv) debt service obligations; and (v) maintaining the Luverne Facility.

The Company expects to incur future net losses as it continues to fund the development and commercialization of its product candidates. To date, the Company has financed its operations primarily with proceeds from issuance of equity and debt securities, borrowings under debt facilities and product sales. The Company's transition to profitability is dependent upon, among other things, the successful development and commercialization of its product candidates and the achievement of a level of revenues adequate to support the Company's cost structure. The Company

may

never achieve profitability or positive cash flows, and unless and until it does, the Company will continue to need to raise additional capital. Management intends to fund future operations through additional private and/or public offerings of debt or equity securities. In addition, the Company

may

seek additional capital through arrangements with strategic partners or from other sources, it

may

seek to restructure its debt and it will continue to address its cost structure. Notwithstanding, there can be

no

assurance that the Company will be able to raise additional funds or achieve or sustain profitability or positive cash flows from operations.

Existing working capital was

not

sufficient to meet the cash requirements to fund planned operations through the period that is

one

year after the date the Company's financial statements for the

six

months ended

June 30, 2020 

were issued. These conditions raise substantial doubt about the Company's ability to continue as a going concern. The Company's inability to continue as a going concern

may

potentially affect the Company's rights and obligations under its senior secured debt and issued and outstanding convertible notes. The accompanying financial statements have been prepared assuming that the Company will continue as a going concern and do

not

include adjustments that might result from the outcome of this uncertainty. This basis of accounting contemplates the recovery of the Company's assets and the satisfaction of liabilities in the normal course of business.

At-the-Market Offering Program.

In

February 2018,

the Company commenced an at-the-market offering program, which allows it to sell and issue shares of its common stock from time-to-time. In

August 2019,

the at-the-market offering program was amended to provide available capacity under the at-the-market offering program of 

$10.7

million.

During the

six

months ended

June 30, 2020,

the Company issued

1,343,121

shares of common stock under the at-the-market offering program for total proceeds of

$2.2

million, net of commissions and other offering related expenses.

As of

June 30, 2020,

the Company has remaining capacity to issue up to approximately

$6.5

 million of common stock under the at-the-market offering program.

Basis of Presentation.

The unaudited consolidated financial statements of the Company (which include the accounts of its wholly-owned subsidiaries Gevo Development, LLC (“Gevo Development”) and Agri-Energy, LLC (“Agri-Energy”)) have been prepared, without audit, pursuant to the rules and regulations of the U.S. Securities and Exchange Commission (the “SEC”). Accordingly, they do

not

include all information and footnotes required by accounting principles generally accepted in the United States (“GAAP”) for complete financial statements. These statements reflect all normal and recurring adjustments which, in the opinion of management, are necessary to present fairly the financial position, results of operations and cash flows of the Compan

y at

June 30

,

2020

and are

not

necessarily indicative of the results to be expected for the full year. These statements should be read in conjunction with the Company's audited consolidated financial statements and notes thereto included under the heading “Financial Statements and Supplementary Data” in Part II, Item 

8

of the Company's Annual Report on Form

10

-K for the year ended

December 

31,

2019.

Income Taxes.

There is

no

provision for income taxes because the Company has incurred operating losses since inception.

Concentration of Business Risk.

 

As of

June 30, 2020, 

two

customers, HCS Group GmbH ("HCS") and Coryton Advanced Fuels Ltd ("Coryton"), comprised approximately

63%

 and

15%

 of the Company's outstanding trade accounts receivable, respectively. As of

December 31, 2019,

three

customers, Eco-Energy, LLC ("Eco-Energy"), Purina Animal Nutrition, LLC ("Purina"), and HCS comprised

57%,

13%

 and

15%

 of the Company's outstanding trade accounts receivable, respectively.

For the

three

months ended

June 30, 2020,

HCS and Coryton accounted for approximately 

76%

and

11%

of the Company's consolidated revenue, respectively. For the

three

months ended

June 30, 2019,

Eco-Energy and Purina represented approximately

77%

and

18%

 of the Company's consolidated revenue, respectively. For the

six

months ended

June 30, 2020,

Eco-Energy, Purina and HCS accounted for approximately

60%,

17%

and

16%

 of the Company's consolidated revenue, respectively. For the

six

months ended

June 30, 2019,

Eco-Energy and Purina accounted for approximately

72%

 and

18%

 of the Company's consolidated revenue, respectively. HCS and Coryton are customers of the Company's Gevo segment. Eco-Energy and Purina are customers of the Company's Gevo Development/Agri-Energy segment (see Note

14

).

Related Party Transaction.

 During the

three

months ended

June 30, 2020,

Gevo paid Blocksize Capital GmbH ("Blocksize") , a company in which a director of Gevo has an indirect ownership interest,

$0.1

million for block chain software development services. There were

no

amounts payable to Blocksize as of

June 30, 2020.

XML

Note 2 - Earnings Per Share

6 Months Ended

Jun. 30, 2020

Notes to Financial Statements

Earnings Per Share [Text Block]

2.

Earnings Per Share

Basic earnings (loss) per sha

re is computed by dividing the net loss for the period by the weighted-average number of common shares outstanding during the period. Diluted earnings (loss) per share (“EPS”) includes the dilutive effect of common stock equivalents and is computed using the weighted-average number of common stock and common stock equivalents outstanding during the reporting period. Diluted EPS for the

three

months ended

June 30

,

2020

and

2019

excluded common stock equivalents because the effect of their inclusion would be anti-dilutive or would decrease the reported loss per share.

The following table sets forth securities outstanding that could potentially dilute the calculation of diluted earnings per share:

	Three  and Six Months ended June 30,
	2020	2019
Warrants to purchase common stock - liability classified	50,812	55,963
Warrant to purchase common stock - equity classified	—	6
Conversion of 2020/21 Notes	6,780,958	—
Conversion of 2020 Notes	—	1,020,595
Outstanding options to purchase common stock	1,556	2,361
Stock appreciation rights	132,566	132,566
Unvested restricted common stock	—	1,538,184
Total	6,965,892	2,749,675

XML

Note 3 - Revenues From Contracts With Customers and Other Revenues

6 Months Ended

Jun. 30, 2020

Notes to Financial Statements

Revenue from Contract with Customer [Text Block]

3.

Revenues from Contracts with Customers and Other Revenues

The Company's current and historical revenues have consisted of the following: (a) ethanol sales and related products revenue, net; (b) hydrocarbon revenue; and (c) grant and other revenue, which primarily has historically consisted of revenues from governmental and cooperative research grants.

Ethanol sales and related products revenues.

Ethanol sales and related products revenues are sold to customers on a free-on-board, shipping point basis. Revenue is recognized when the customer has control of the product. Each transaction occurs independent of any other sale, and once sold, there are

no

future obligations on the part of the Company to provide post-sale support or promises to deliver future goods or services.

Hydrocarbon revenue.

Hydrocarbon revenues include sales of ATJ, isooctene and isooctane and is sold mostly on a free-on-board, shipping point basis. Revenue is recognized when the customer has control of the product. Each transaction occurs independent of any other sale, and once sold, there are

no

future obligations on the part of the Company to provide post-sale support or promises to deliver future goods or services.

The following table sets forth the components of the Company's revenues between those generated from contracts with customers and those generated from arrangements that do

not

constitute a contract with a customer (in thousands):

	Three Months Ended June 30, 2020
Major Goods/Service Line	Revenues from Contracts with Customers		Other Revenues		Total
Ethanol sales and related products, net	$	83	$	—	$	83
Hydrocarbon revenue		859		—		859
Other revenue		46		—		46
	$	988	$	—	$	988
Timing of Revenue Recognition
Goods transferred at a point in time	$	942	$	—	$	942
Services transferred over time		46		—		46
	$	988	$	—	$	988

	Three Months Ended June 30, 2019
Major Goods/Service Line	Revenues from Contracts with Customers		Other Revenues		Total
Ethanol sales and related products, net	$	4,996	$	—	$	4,996
Hydrocarbon revenue		92		—		92
Other revenue		—		28		28
	$	5,058	$	28	$	5,086
Timing of Revenue Recognition
Goods transferred at a point in time	$	5,058	$	—	$	5,058
Services transferred over time		—		28		28
	$	5,058	$	28	$	5,086

	Six Months Ended June 30, 2020
Major Goods/Service Line	Revenues from Contracts with Customers		Other Revenues		Total
Ethanol sales and related products, net	$	3,783	$	—	$	3,783
Hydrocarbon revenue		984		—		984
Other revenue		46		—		46
	$	4,813	$	—	$	4,813
Timing of Revenue Recognition
Goods transferred at a point in time	$	4,767	$	—	$	4,767
Services transferred over time		46		—		46
	$	4,813	$	—	$	4,813

	Six Months Ended June 30, 2019
Major Goods/Service Line	Revenues from Contracts with Customers		Other Revenues		Total
Ethanol sales and related products, net	$	10,630		—	$	10,630
Hydrocarbon revenue		831		—		831
Other revenue		—		28		28
	$	11,461	$	28	$	11,489
Timing of Revenue Recognition
Goods transferred at a point in time	$	11,461	$	—	$	11,461
Services transferred over time		—		28		28
	$	11,461	$	28	$	11,489

Goods transferred at a point-in-time.

For the

three

and

six

months ended

June 30, 2020

and

2019,

there were

no

contracts with customers for which consideration was variable or for which there were multiple performance obligations for any given contract. Accordingly, the entire transaction price is allocated to the goods transferred. As of

June 30, 2020

and

December 31, 2019,

there were

no

remaining unfulfilled or partially fulfilled performance obligations.

All goods transferred are tested to ensure product sold satisfies contractual product specifications prior to transfer. The customer obtains control of the goods when title and risk of loss for the goods has transferred, which in most cases is “

free-on-board, shipping point

”. All material contracts have payment terms of between

one

to

three

months and there are

no

return or refund rights.

Services transferred over time.

For the

three

and

six

months ended

June 30, 2020 

and 

2019,

there were

no

contracts for which consideration was variable or for which there were multiple performance obligation for any given contract. Accordingly, the entire transaction price is allocated to the individual service performance obligation. As of

June 30, 2020

and

December 31, 2019,

respectively, there were

no

material unfulfilled or partially fulfilled performance obligations.

Contract Assets and Trade Receivables.

As of

June 30, 2020

and

December 31, 2019,

there were

no

contract assets or liabilities as all customer amounts owed to the Company are unconditional and the Company does

not

receive payment in advance for its products. Accordingly, amounts owed by customers are classified as account receivables on the Company's Consolidated Balance Sheets. In addition, due to the nature of the Company's contracts, there are

no

costs incurred or to be paid in the future that qualify for asset recognition as a cost to fulfill or obtain a contract as of

June 30, 2020

and

December 31, 2019.

The Company did

not

incur any impairment losses on any receivables as all amounts owed were paid or current as of

June 30, 2020

or

December 31, 2019.

XML

Note 4 - Leases, Right-to-use Assets and Related Liabilities

6 Months Ended

Jun. 30, 2020

Notes to Financial Statements

Lessee, Operating Leases [Text Block]

4.

Leases, Right-to-Use Assets and Related Liabilities

The Company enters into various arrangements which constitute a lease as defined by Accounting Standards Codification ("ASC") 

842,

Leases,

as part of its ongoing business activities and operations. Leases represent a contract or part of a contract that conveys the right to control the use of identified property, plant or equipment (an identified asset) for a period of time in exchange for consideration. Such contracts result in both (a) right-to-use assets, which represent the Company's right to use an underlying asset for the term of the contract; and (b) a corresponding lease liability which represents the Company's obligation to make the lease payments arising from the contract, measured on a discounted basis.

The contracts for the Company are comprised of facility, equipment and transportation leases necessary to conduct the Company's day-to-day operations for which the Company maintains control of right-to-use assets and incurs the related liabilities. The facility lease includes variable payments for common area maintenance. In addition, the Company has

one

financing lease for certain office equipment which is included in "

Loans payable - other

" on the Consolidated Balance Sheets.

There are

two

 contractual agreements related to equipment improvements at the Luverne Facility that were

not

recognized as of

June 30, 2020

as a result of operating contingencies which must be satisfied before the Company is obligated under the terms of the contract. The total estimated fair value of unrecognized right-to-use assets and related lease liabilities relating to these contracts was approximately

$3.0

 million as of

June 30, 2020

and

December 31, 2019.

The following table presents the (a) costs by lease category and (b) other quantitative information relating to the Company's leases (dollars in thousands):

	Three Months Ended June 30,
	2020		2019
Lease Cost
Financing lease cost	$	1	$	—
Operating lease cost		63		386
Short-Term lease cost		10		15
Variable lease cost		40		32
Total lease cost	$	114	$	433

	Six Months Ended June 30,
	2020			2019
Lease Cost
Financing lease cost	$	2		$	—
Operating lease cost		534			731
Short-Term lease cost		23			32
Variable lease cost		72			65
Total lease cost	$	631		$	828
Other Information
Cash paid for the measurement of lease liabilities:
Operating cash flows from finance lease	$	2		$	—
Operating cash flows from operating leases		534			731
Finance cash flows from finance lease		1			—
Right-to-use asset obtained in exchange for new financing lease liability		13			—
Weighted-average remaining lease term, financing lease (months)		56			—
Weighted-average remaining lease term, operating leases (months)		13			25
Weighted-average discount rate - financing lease		21	%		—
Weighted-average discount rate - operating leases		12	%		12	%

The table below shows the future minimum payments under non-cancelable financing and operating leases at

June 30, 2020 (

in thousands):

Year Ending December 31,	Financing Leases			Operating Leases
2020 (remaining)	$	2		193
2021		4			178
2022		4			—
2023		4			—
2024 and thereafter		5			—
Total		19			371
Less: Amounts representing present value discounts		(7	)	(18		)
Total lease liabilities		12		353

XML

Note 5 - Inventories

6 Months Ended

Jun. 30, 2020

Notes to Financial Statements

Inventory Disclosure [Text Block]

5.

Inventories

The following table sets forth the components of the Company's inventory balances (in thousands):

	June 30,		December 31,
	2020		2019
Raw materials
Corn	$	13	$	267
Enzymes and other inputs		136		184
Finished goods
Jet Fuels, Isooctane and Isooctene		635		571
Isobutanol		44		135
Ethanol		—		93
Distiller's grains		—		54
Work in process
Agri-Energy		—		254
Gevo		134		122
Spare parts		1,518		1,521
Total inventories	$	2,480	$	3,201

Work in process inventory includes unfinished jet fuel, isooctane and isooctene inventory.

XML

Note 6 - Property, Plant and Equipment

6 Months Ended

Jun. 30, 2020

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

6.

Property, Plant and Equipment

The following table sets forth the Company's property, plant and equipment by classification (in thousands):

	Useful Life			June 30,			December 31,
	(in years)			2020			2019
Luverne retrofit asset		20		$	70,820		$	70,820
Plant machinery and equipment		10			17,374			17,413
Site improvements		10			7,157			7,054
Lab equipment, furniture and fixtures and vehicles		5			6,396			6,393
Demonstration plant		2			3,597			3,597
Buildings		10			2,543			2,543
Leasehold improvements, pilot plant, land and support equipment	2	to	5		2,523			2,523
Computer, office equipment and software	3	to	6		2,021			2,034
Construction in progress					8,802			7,710
Total property, plant and equipment					121,233			120,087
Less accumulated depreciation and amortization					(56,544	)		(53,391	)
Property, plant and equipment, net				$	64,689		$	66,696

The Company recorded depreciation and amortization expense related to property, plant and equipment as follows (in thousands):

	Three Months Ended June 30 ,
	2020		2019
Cost of goods sold	$	1,575	$	1,559
Operating expenses		50		52
Total depreciation and amortization	$	1,625	$	1,611

	Six Months Ended June 30 ,
	2020		2019
Cost of goods sold	$	3,162	$	3,119
Operating expenses		106		102
Total depreciation and amortization	$	3,268	$	3,221

XML

Note 7 - Embedded Derivatives Liabilities

6 Months Ended

Jun. 30, 2020

Notes to Financial Statements

Discussion of Hybrid Instruments and Embedded Derivatives [Text Block]

7.

Embedded Derivatives Liabilities

 

2020

Notes Embedded Derivative

In

June 2017,

the Company issued its

12%

convertible senior secured notes due

2020

(the

“2020

Notes”) in exchange for its

12.0%

convertible senior secured notes due

2017

(the

“2017

Notes”). The

2020

Notes contained the following embedded derivatives: (i) a Make-Whole Payment (as defined in the indenture governing the

2020

Notes (the

“2020

Notes Indenture”)) upon either conversion or redemption; (ii) right to redeem the outstanding principal upon a Fundamental Change (as defined in the

2020

Notes Indenture); (iii) issuer rights to convert into a limited number of shares in any given

three

-month period commencing

nine

months from the issuance date and dependent on the stock price exceeding

150%

of the then in-effect conversion price over a

ten

-business day period; and (iv) holder rights to convert into either shares of the Company's common stock or pre-funded warrants upon the election of the holders of the

2020

Notes.

Embedded derivatives are separated from the host contract and the

2020

Notes and carried at fair value when: (a) the embedded derivative possesses economic characteristics that are

not

clearly and closely related to the economic characteristics of the host contract; and (b) a separate, stand-alone instrument with the same terms would qualify as a derivative instrument. The Company has concluded that certain embedded derivatives within the

2020

Notes meet these criteria and, as such, must be valued separate and apart from the

2020

Notes as

one

embedded derivative and recorded at fair value each reporting period.

The Company used a binomial lattice model in order to estimate the fair value of the embedded derivative in the

2020

Notes. A binomial lattice model generates

two

probable outcomes, whether up or down, arising at each point in time, starting from the date of valuation until the maturity date. A lattice was initially used to determine if the

2020

Notes would be converted by the holder, called by the issuer, or held at each decision point. Within the lattice model, the following assumptions were made: (i) the

2020

Notes will be converted by the holder if the conversion value plus the holder's Make-Whole Payment is greater than the holding value; or (ii) the

2020

Notes will be called by the issuer if (a) the stock price exceeds

150%

of the then in-effect conversion price over a

ten

-business day period and (b) if the holding value is greater than the conversion value plus the Make-Whole Payment at the time.

Using this lattice model, the Company valued the embedded derivative using a “with-and-without method”, where the value of the

2020

Notes including the embedded derivative were defined as the “with”, and the value of the

2020

Notes excluding the embedded derivative is defined as the “without”. This method estimates the value of the embedded derivative by comparing the difference in the values between the

2020

Notes with the embedded derivative and the value of the

2020

Notes without the embedded derivative. The lattice model requires the following inputs: (i) price of Gevo common stock; (ii) Conversion Rate (as defined in the

2020

Notes Indenture); (iii) Conversion Price (as defined in the

2020

Notes Indenture); (iv) maturity date; (v) risk-free interest rate; (vi) estimated stock volatility; and (vii) estimated credit spread for the Company.

2020/21

Notes Embedded Derivative

In

January 2020,

the Company issued

12%

convertible senior secured notes due

2020/2021

 (the

“2020/21

Notes”) in exchange for its

12.0%

convertible senior secured notes due

March 2020 (

the

“2020

Notes”). The

2020/21

Notes contain the following embedded derivatives: (i) a Make-Whole Payment (as defined in the

2020/21

Notes Indenture (as defined below) upon either conversion or redemption in certain circumstances; (ii) holder right to require the Company to repurchase the outstanding principal upon a Fundamental Change (as defined in the

2020/21

Notes Indenture); and (iii) holder rights to convert into either shares of the Company's common stock or pre-funded warrants upon the election of the holders of the

2020/21

Notes.

Embedded derivatives are separated from the host contract and the

2020/21

Notes, and carried at fair value when: (a) the embedded derivative possesses economic characteristics that are

not

clearly and closely related to the economic characteristics of the host contract; and (b) a separate, stand-alone instrument with the same terms would qualify as a derivative instrument. The Company has concluded that certain embedded derivatives within the

2020/21

Notes meet these criteria and, as such, must be valued separate and apart from the

2020/21

Notes as

one

embedded derivative and recorded at fair value each reporting period.

The Company used a binomial lattice model in order to estimate the fair value of the embedded derivative in the

2020/21

Notes. Using this lattice model, the Company valued the embedded derivative using a “with-and-without method”.

As of

June 30

,

2020

and

December 31, 2019,

the estimated fair value of the embedded derivatives was

$0.3

 million and

$0,

respectively. The Company recorded the estimated fair value of the embedded derivative with the

2020/21

Notes and

2020

Notes, net in the Consolidated Balance Sheets. The Company recorded a

$0.2

 million and

$0.3

 million loss from the change in fair value of

2020/21

Notes embedded derivatives for the

three

and

six

months ended

June 30

,

2020.

The Company recorded a

$0.1

million and

$0.4

 million gain from the change in fair value of

2020

Notes embedded derivatives or the

three

and

six

months ended

June 30

,

2019.

The following table sets forth the inputs to the lattice models that were used to value the embedded derivatives:

	June 30,			December 31,
	2020			2019
Stock price	$	0.79		$	2.31
Conversion Rate per $1,000		409.50			67.95
Conversion Price	$	2.44		$	14.72
Maturity date	April 1, 2021			March 15, 2020
Risk-free interest rate		0.17	%		1.52	%
Estimated stock volatility		92	%		60	%
Estimated credit spread		38	%		27	%

Changes in certain inputs into the lattice model can have a significant impact on changes in the estimated fair value of the embedded featured within the

2020/21

Notes and

2020

Notes. For example, the estimated fair value will generally decrease with: (

1

) a decline in the stock price; (

2

) decreases in the estimated stock volatility; and (

3

) a decrease in the estimated credit spread.

Derivative Warrant Liability

There were

no

 warrants sold by the Company during the

six

months ended

June 30, 2020.

The following table sets forth information pertaining to shares issued upon the exercise of such warrants as of

June 30, 2020:

	Issuance Date	Expiration Date	Exercise Price as of June 30, 2020		Shares Underlying Warrants on Issuance Date		Shares Issued upon Warrant Exercises as of June 30, 2020		Shares Underlying Warrants Outstanding as of June 30, 2020
Series D Warrants	12/11/2015	12/11/2020	$	40.00		25,125		25,078		47
Series F Warrants	04/01/2016	04/01/2021	$	40.00		25,733		11,692		14,041
Series I Warrants	09/13/2016	09/13/2021	$	220.00		35,368		—		35,368
Series K Warrants	02/17/2017	2/17/2022	$	3.80		310,016		308,660		1,356
						396,242		345,430		50,812

The agreements governing the above warrants include the following terms:

• certain warrants have exercise prices which are subject to adjustment for certain events, including the issuance of stock dividends on the Company's common stock and, in certain instances, the issuance of the Company's common stock or instruments convertible into the Company's common stock at a price per share less than the exercise price of the respective warrants;

• warrant holders may exercise the warrants through a cashless exercise if, and only if, the Company does not have an effective registration statement then available for the issuance of the shares of its common stock. If an effective registration statement is available for the issuance of its common stock a holder may only exercise the warrants through a cash exercise;

• the exercise price and the number and type of securities purchasable upon exercise of the warrants are subject to adjustment upon certain corporate events, including certain combinations, consolidations, liquidations, mergers, recapitalizations, reclassifications, reorganizations, stock dividends and stock splits, a sale of all or substantially all of the Company's assets and certain other events; and

• in the event of an “extraordinary transaction” or a “fundamental transaction” (as such terms are defined in the respective warrant agreements), generally including any merger with or into another entity, sale of all or substantially all of the Company's assets, tender offer or exchange offer, or reclassification of its common stock, in which the successor entity (as defined in the respective warrant agreements) that assumes the successor entity is not a publicly traded company, the Company or any successor entity will pay the warrant holder, at such holder's option, exercisable at any time concurrently with or within 30 days after the consummation of the extraordinary transaction or fundamental transaction, an amount of cash equal to the value of such holder's warrants as determined in accordance with the Black-Scholes option pricing model and the terms of the respective warrant agreement. In some circumstances, the Company or successor entity may be obligated to make such payments regardless of whether the successor entity that assumes the warrants is a publicly traded company.

There were

no

 warrants exercised during the

six

months ended

June 30, 2020.

XML

Note 8 - Accounts Payable and Accrued Liabilities

6 Months Ended

Jun. 30, 2020

Notes to Financial Statements

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

8.

Accounts Payable and Accrued Liabilities

The following table sets forth the components of the Company's accounts payable and accrued liabilities in the consolidated balance sheets (in thousands):

	June 30,		December 31,
	2020		2019
Accrued utilities and supplies	$	704	$	645
Accounts payable - trade		569		1,474
Accrued employee compensation		1,445		1,946
Other accrued liabilities		1,281		1,613
Total accounts payable and accrued liabilities	$	3,999	$	5,678

XML

Note 9 - Debt

6 Months Ended

Jun. 30, 2020

Notes to Financial Statements

Debt Disclosure [Text Block]

9.

Debt

2020

Notes and

2020/21

Notes

The following table sets forth information pertaining to the

2020

Notes and

2020/21

Notes which are included in the Company's consolidated balance sheets (in thousands):

	Principal Amount of 2020 Notes			Principal Amount of 2020/21 Notes		Debt Discount			Debt Issue Costs			Total Notes		Embedded Derivative			Total
Balance - December 31, 2019	$	14,053		$	—	$	(123	)	$	(30	)	$	13,900	$	—		$	13,900
Amortization of debt discount		—			—		187			—			187		—			187
Amortization of debt issue costs		—			—		—			15			15		—			15
Paid-in-kind interest		47			144		—			—			191		—			191
Exchange of 2020 Notes for 2020/21 Notes		(14,100	)		14,100		—			—			—		—			—
Original issue discount paid with 2020/21 Notes		—			282		(282	)		—			—		—			—
Fair value of 2020/21 embedded derivative		—			—		—			—			—		2,848			2,848
Change in fair value of 2020/21 Notes embedded derivative		—			—		—			—			—		(2,572	)		(2,572	)
Balance - June 30, 2020	$	—		$	14,526	$	(218	)	$	(15	)	$	14,293	$	276		$	14,569

On

June 20, 2017,

the Company issued the

2020

Notes in exchange for its

12.0%

convertible senior secured notes due

2017

(the

"2017

Notes"), plus an amount in cash equal to the accrued and unpaid interest. The

2020

Notes had a maturity date of

March 15, 2020

and were secured by a

first

lien on substantially all of our assets. The

2020

Notes had an interest rate equal to

12%

per annum (with

2%

potentially payable as PIK Interest (as defined and described below) at our option), payable on

March 31,

June 30,

September 30

and

December 31

of each year. To the extent that the Company paid any portion of the interest due on the

2020

Notes as PIK Interest, the maximum aggregate principal amount of the

2020

Notes that would have been convertible into shares of the Company's common stock increased.

Under certain circumstances, the Company had the option to pay a portion of the interest due on the

2020

Notes by either (a) increasing the principal amount of the

2020

Notes by the amount of interest then due or (b) issuing additional

2020

Notes with a principal amount equal to the amount of interest then due (interest paid in the manner set forth in (a) or (b) being referred to as “PIK Interest”).

Additional shares of the Company's common stock could also have become issuable pursuant to the

2020

Notes in the event the Company was required to make certain make-whole payments as provided in the

2020

Notes Indenture.

The

2020

Notes were convertible into shares of the Company's common stock, subject to certain terms and conditions. The initial conversion price of the

2020

Notes was equal to

$14.72

per share of common stock, or

0.0679

shares of common stock per

$1

principal amount of

2020

Notes.

2020/21

Notes

On

January 10, 2020,

the Company entered into an Exchange and Purchase Agreement (as amended, the

“2020/21

Purchase Agreement”) with the guarantors party thereto (the "Guarantors"), the holder of the

2020

Notes and Whitebox Advisors LLC ("Whitebox"), in its capacity as representative of the holder. Pursuant to the terms of the

2020/21

Purchase Agreement, the holder of the

2020

Notes, subject to certain conditions, agreed to exchange all of the outstanding principal amount of the

2020

Notes, which was approximately

$14.1

million including unpaid accrued interest, for approximately

$14.4

million in aggregate principal amount of the Company's newly created

2020/21

Notes (the

“2020/21

Exchange”). Pursuant to the

2020/21

Purchase Agreement, the Company also granted an option to purchase up to an additional aggregate principal amount of approximately

$7.1

million of

2020/21

Notes (the

“2020/21

Option Notes”), at a purchase price equal to the aggregate principal amount of such

2020/21

Option Notes purchased less an original issue discount of

2.0%,

having identical terms (other than with respect to the issue date and restrictions on transfer relating to compliance with applicable securities law) to the

2020/21

Notes issued, at any time during the period beginning on the date of closing of the

2020/21

Exchange and ending on the later of (a)

180

days thereafter, and (b)

30

days following

June 3, 2020.

The right to purchase

2020/21

Option Notes expired on

July 3, 2020. 

On

January 10, 2020,

the Company completed the

2020/21

Exchange and cancelled the

2020

Notes. In addition, the Company entered into an Indenture by and among the Company, the guarantors named therein (the

“2020/21

Notes Guarantors”) and FSB, as trustee and as collateral trustee (the “Original Indenture”), as supplemented by that certain First Supplemental Indenture, dated as of

April 7, 2020 (

the “First Supplemental Indenture” and, together with the Original Indenture, the

“2020/21

Notes Indenture”), pursuant to which the Company issued the

2020/21

Notes. The Company recognized an approximately

$0.7

 million loss. See "

(Loss) on modification of 

2020

Notes

" within the Consolidated Statements of Operations.

The

2020/21

Notes will mature on

December 31, 2020,

provided that the maturity date will automatically be extended to

April 1, 2021

if the aggregate outstanding principal balance of the

2020/21

Notes (including any

2020/21

Option Notes) as of

December 15, 2020

is less than

$7

million. The

2020/21

Notes bear interest at a rate equal to

12%

per annum (with

4%

payable as PIK Interest (as defined and described below)), payable on

March 31,

June 30,

September 30

and

December 31

of each year. Under certain circumstances, the Company will have the option to pay a portion of the interest due on the

2020/21

Notes by either (a) increasing the principal amount of the

2020/21

Notes by the amount of interest then due or (b) issuing additional

2020/21

Notes with a principal amount equal to the amount of interest then due (interest paid in the manner set forth in (a) or (b) being referred to as “PIK Interest”). In the event the Company pays any portion of the interest due on the

2020/21

Notes as PIK Interest, the maximum aggregate principal amount of

2020/21

Notes that could be convertible into shares of the Company's common stock will be increased.

The

2020/21

Notes are convertible into shares of the Company's common stock at the conversion price, subject to certain terms and conditions. The initial conversion price of the

2020/21

Notes is equal to

$2.442

 per share of the Company's common stock (the

“2020/21

Notes Conversion Price”), or

0.4095

shares of the Company's common stock per

$1

principal amount of

2020/21

Notes. The Company and the holders

may

also mutually agree on other conversions of the

2020/21

Notes into shares of the Company's common stock on a monthly basis (a “Contractual Conversion”) pursuant to the terms of the

2020/21

Notes Indenture. The

2020/21

Notes Conversion Price in a Contractual Conversion will be reduced to the lesser of the then-applicable

2020/21

Notes Conversion Price or a

10%

discount to the average of the daily volume weighted average price of the Company's common stock for the

three

forward trading days prior to the date of the Contractual Conversion.

Each holder has agreed

not

to convert its

2020/21

Notes into shares of the Company's common stock to the extent that, after giving effect to such conversion, the number of shares of the Company's common stock beneficially owned by such holder and its affiliates would exceed

4.99%

of the Company's common stock outstanding at the time of such conversion (the

“4.99%

Ownership Limitation”); provided that a holder

may,

at its option and upon

61

days' prior notice to the Company, increase such threshold to

9.99%

(the

“9.99%

Ownership Limitation”). If a conversion of

2020/21

Notes by a holder would exceed the

4.99%

Ownership Limitation or the

9.99%

Ownership Limitation, as applicable, the

2020/21

Purchase Agreement contains a provision granting the holder a fully funded prepaid warrant for such common stock with a term of

nine

months, subject to a

six

-month extension, which it can draw down from time to time.

The

2020/21

Notes

may

be redeemed in whole or in part, at the Company's option, for cash at any time

June 3, 2020

and upon

120

days' notice to the holders of the

2020/21

Notes. A Redemption Make-Whole Payment (as defined in the

2020/21

Notes Indenture) applies only to a redemption of

2020/21

Notes that occurs on or after

December 31, 2020.

Following a notice of redemption of the

2020/21

Notes by the Company, the holders

may

elect to convert the

2020/21

Notes into shares of the Company's common stock at the same conversion price as applicable to a Contractual Conversion.

The

2020/21

Notes do

not

contain any anti-dilution adjustments for future equity issuances that are below the

2020/21

Notes Conversion Price, and adjustments to the

2020/21

Notes Conversion Price will only generally be made in the event that there is a dividend or distribution paid on shares of the Company's common stock, a subdivision, combination or reclassification of the Company's common stock, or at the discretion of the Board of Directors of the Company in limited circumstances and subject to certain conditions.

The

2020/21

Notes are secured by a lien on substantially all of the assets of the Company and the

2020/21

Notes Guarantors, including intellectual property and real property, and are guaranteed by the Company's existing subsidiaries.

Additional shares of the Company's common stock could also become issuable pursuant to the

2020/21

Notes in the event the Company is required to make certain make-whole payments as provided in the

2020/21

Notes Indenture.

Under certain circumstances, the Company

may

file

one

or more registration statements on Form S-

3

or amend filings in order to register shares of common stock for sale or resale, as necessary in connection with the

2020/21

Notes.

Loans Payable - Other

During the

first

quarter of

2020,

the Company purchased equipment under a financing lease. During the

fourth

quarter

2019,

the Company purchased equipment and financed part of its insurance obligation. The equipment notes and financing lease pay interest between

4%

and 

21%,

have total monthly payments of

$0.1

million and mature at various dates from

August 2020

to

February 2025.

The equipment loans are secured by the related equipment.

In

April 2020,

the Company and Agri-Energy each entered into a loan agreement with Live Oak Banking Company, pursuant to which the Company and Agri-Energy obtained loans from the Small Business Administration's Paycheck Protection Program (“SBA PPP”) totaling

$1.0

million in the aggregate (the "SBA Loans"). The SBA Loans will mature in

April 2022

and bear interest at a rate equal to

1%

per annum, subject to the potential for partial or full loan forgiveness as dictated by U.S. federal law. Principal and interest are deferred until

November 2020

and interest continues to accrue during the deferral period. The SBA Loans are payable monthly beginning

November 5, 2020,

with aggregate payments totaling

$0.06

million per month, including interest and principal. The SBA Loans must be used for payroll, rent payments, mortgage interest payments and utilities payments as governed by the SBA PPP and are subject to partial or full forgiveness for the initial

eight

-week period following the loan disbursement if all proceeds are used for eligible purposes and within certain thresholds, the Company maintains certain employment levels and the Company maintains certain compensation levels.

The balance of these loans at

June 30, 2020

and 

December 31, 2019

are as follows (in thousands):

	June 30 , 2020			December 31, 2019
SBA Loans	$	1,006		$	—
Equipment		298			321
Insurance		73			428
Total notes payable - other		1,377			749
Less current portion		(603	)		(516	)
Long-term portion	$	774		$	233

Future payments for Loans Payable - Other are as follows (in thousands):

Year ending December 31,
2020 (remaining)	$	223
2021		764
2022		290
2023		65
2024 and thereafter		35
	$	1,377

XML

Note 10 - Equity Incentive Plans

6 Months Ended

Jun. 30, 2020

Notes to Financial Statements

Stock Incentive Plans Disclosure [Text Block]

10

. Equity Incentive Plans

2010

Stock Incentive Plan

. In

February 2011,

the Company's stockholders approved the Gevo, Inc.

2010

Stock Incentive Plan (as amended and restated to date, the

"2010

Plan"). The

2010

Plan provided for the grant of non-qualified stock options, incentive stock options, stock appreciation rights, restricted stock awards, restricted stock units and other equity awards to employees and directors of the Company. On

June 10, 2019,

the

2010

Plan was amended and restated, which increased the number of shares of common stock reserved for issuance to

3,266,661

shares. On

June 3, 2020,

the

2010

Plan was amended and restated, which increased the number of shares of common stock reserved for issuance by

3,713,413

shares to a total of

6,980,074

shares.

In

February 2020,

the Company issued

109,337

 shares of restricted common stock, vesting over

three

years, and

1,258

shares of restricted common stock, vesting over

two

years, to certain of its employees in relation to restricted stock awards granted on

February 27, 2020.

In

March 2020,

the Company withheld

4,055

shares of common stock to settle income taxes related to the vested restricted stock awards for certain employees. In

April 2020,

the Company issued

239,155

shares of restricted common stock in relation to restricted stock awards granted to its employees on

April 1, 2020

in connection with the

20%

salary reduction discussed in Footnote

1,

which vested on

May 15, 2020.

Also in

April 2020,

the Company issued

29,032

of restricted stock units in exchange for services rendered which vested immediately. During the

three

months ended

June 30, 

2020,

the Company withheld

286,324

shares of common stock to settle income taxes related to the vested restricted stock awards for certain employees.

At

June 30, 2020,

an additional

5,202,941

shares were available for issuance upon the exercise of outstanding stock option awards or the grant of stock appreciation rights and restricted stock awards under the

2010

Plan.

During

July 2020,

the Company issued

115,156

 shares of restricted common stock in relation to restricted stock awards granted to its employees on

July 1, 2020

in connection with the

20%

salary reduction vesting on

July 31, 2020.

In addition, on

July 6, 2020,

the Company issued

3,989,140

shares of restricted common stock to employees and directors and

101,730

restricted stock units in exchange for services rendered, vesting over

two

years.

Employee Stock Purchase Plan

. In

February 2011,

the Company's stockholders approved the Employee Stock Purchase Plan (the "ESPP"). The offering periods for the ESPP are from

January 1

to

June 30

and from

July 1

to

December 31

of each calendar year. The Company has reserved

190

 shares of common stock for issuance under the ESPP, of which

190

shares as of

June 30, 2020 

are available for future issuance. The purchase price of the common stock under the ESPP is

85%

of the lower of the fair market value of a share of common stock on the

first

or last day of the purchase period. There were

no

purchases of common stock under the ESPP during the

six

months ended

June 30, 2020

or

2019.

XML

Note 11 - Stock-based Compensation

6 Months Ended

Jun. 30, 2020

Notes to Financial Statements

Share-based Payment Arrangement [Text Block]

11.

Stock-Based Compensation

The Company records stock-based compensation expense during the requisite service period for share-based payment awards granted to employees and non-employees.

The following table sets forth the Company's stock-based compensation expense (in thousands) for the periods indicated:

	Three Months Ended June 30,					Six Months Ended June 30,
	2020		2019			2020			2019
Restricted stock
Research and development	$	135	$	33		$	211		$	61
Selling, general and administrative		362		139			622			345
Stock appreciation rights
Research and development		2		(34	)		(77	)		(18	)
Selling, general and administrative		2		(31	)		(83	)		(18	)
Total stock-based compensation	$	501	$	107		$	673		$	370

Stock Option Award Activity

. Stock option activity under the Company's stock incentive plans at

June 30, 2020

and changes during the

three

months ended

June 30, 2020

were as follows:

						Weighted-
						Average
				Weighted-		Remaining
				Average		Contractual		Aggregate
	Number of			Exercise		Term		Intrinsic
	Options			Price		(years)		Value
Options outstanding at December 31, 2019		1,561		$	928.79		6.56	$	—
Granted		—		$	—
Canceled or forfeited		(5	)	$	166.44
Exercised		—		$	—
Options outstanding at June 30, 2020		1,556		$	877.93		6.05	$	—
Options exercisable at June 30, 2020		1,556		$	877.93		6.05	$	—
Options vested and expected to vest at June 30, 2020		1,556		$	877.93		6.05	$	—

Restricted Stock

. Non-vested restricted stock awards at

June 30, 2020

and changes during the

three

months ended

June 30, 2020

were as follows:

				Weighted-
				Average
	Number of			Grant-Date
	Shares			Fair Value
Non-vested at December 31, 2019		1,308,613		$	1.91
Granted		349,750		$	0.98
Vested		(900,180	)	$	1.60
Canceled or forfeited		(6,974	)	$	1.90
Non-vested at June 30, 2020		751,209		$	1.81

The total fair value of restricted stock that vested during the

six

months ended

June 30, 2020

totaled

$1.4

million. As of

June 30, 2020,

the total unrecognized compensation expense, net of estimated forfeitures, relating to restricted stock awards was

$1.3

 million, which is expected to be recognized over the remaining weighted-average period of approximately

1.0

 years.

XML

Note 12 - Commitments and Contingencies

6 Months Ended

Jun. 30, 2020

Notes to Financial Statements

Commitments and Contingencies Disclosure [Text Block]

12.

Commitments and Contingencies

Legal Matters

. From time to time, the Company has been, and

may

again become, involved in legal proceedings arising in the ordinary course of its business. The Company is

not

presently a party to any litigation that it believes to be material and is

not

aware of any pending or threatened litigation against the Company that it believes could have a material adverse effect on its business, operating results, financial condition or cash flows.

Indemnifications

. In the ordinary course of its business, the Company makes certain indemnities under which it

may

be required to make payments in relation to certain transactions. As of

June 30, 2020 

and

December 31, 2019,

the Company did

not

have any liabilities associated with indemnities.

In addition, the Company, as permitted under Delaware law and in accordance with its amended and restated certificate of incorporation and amended and restated bylaws, in each case, as amended to date, indemnifies its officers and directors for certain events or occurrences, subject to certain limits, while the officer or director is or was serving at the Company's request in such capacity. The duration of these indemnifications, commitments, and guarantees varies and, in certain cases, is indefinite. The maximum amount of potential future indemnification is unlimited; however, the Company has a director and officer insurance policy that

may

enable it to recover a portion of any future amounts paid. The Company accrues for losses for any known contingent liability, including those that

may

arise from indemnification provisions, when future payment is probable.

No

such losses have been recorded to date.

Environmental Liabilities

. The Company's operations are subject to environmental laws and regulations adopted by various governmental authorities in the jurisdictions in which it operates. These laws require the Company to investigate and remediate the effects of the release or disposal of materials at its locations. Accordingly, the Company has adopted policies, practices and procedures in the areas of pollution control, occupational health and the production, handling, storage and use of hazardous materials to prevent material environmental or other damage, and to limit the financial liability which could result from such events. Environmental liabilities are recorded when the Company's liability is probable and the costs can be reasonably estimated.

No

environmental liabilities have been recorded as of

June 30, 2020.

XML

Note 13 - Fair Value Measurements

6 Months Ended

Jun. 30, 2020

Notes to Financial Statements

Fair Value Disclosures [Text Block]

13.

Fair Value Measurements

Accounting standards define fair value, outline a framework for measuring fair value, and detail the required disclosures about fair value measurements. Under these standards, fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date in the principal or most advantageous market. Standards establish a hierarchy in determining the fair market value of an asset or liability. The fair value hierarchy has

three

levels of inputs, both observable and unobservable. Standards require the utilization of the highest possible level of input to determine fair value.

Level 

1

– inputs include quoted market prices in an active market for identical assets or liabilities.

Level 

2

– inputs are market data, other than Level 

1,

that are observable either directly or indirectly. Level 

2

inputs include quoted market prices for similar assets or liabilities, quoted market prices in an inactive market, and other observable information that can be corroborated by market data.

Level 

3

– inputs are unobservable and corroborated by little or

no

market data.

 These tables present the carrying value and fair value, by fair value hierarchy, of our financial instruments, excluding cash and cash equivalents, accounts receivable and accounts payable, which approximate fair value due to their short-term nature, at

June 30

,

2020

and

December 31, 2019,

respectively (in thousands):

			Fair Value Measurements at June 30, 2020 (In thousands)
	Fair Value at June 30, 2020		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Recurring:
Derivative Warrant Liability	$	—	$	—	$	—	$	—
2020/21 Notes Embedded Derivative Liability		276		—		—		276
Total Recurring Fair Value Measurements	$	276	$	—	$	—	$	276
Nonrecurring
Corn and finished goods inventory	$	554	$	13	$	541	$	—

			Fair Value Measurements at December 31, 2019 (In thousands)
	Fair Value at December 31, 2019		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Recurring:
Derivative Warrant Liability	$	8	$	—	$	—	$	8
Nonrecurring
Corn and finished goods inventory	$	940	$	267	$	673	$	—

The following table provides changes to those fair value measurements using Level

3

inputs for the

three

months ende

d

June 30

,

2020

(in thousands):

	Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
	Derivative Warrant Liability			2020/21 Notes Embedded Derivative
Balance, December 31, 2019	$	8		$	—
Issue of 2020/21 Notes embedded derivative liability		—			2,848
Total (gains) included in earnings		(8	)		(2,572	)
Balance, June 30, 2020	$	—		$	276

There were

no

transfers to or from Level

3

in the

three

months ended

June 30, 2020.

Inventories.

The Company records its corn inventory at fair value only when the Company's cost of corn purchased exceeds the market value for corn. The Company determines the market value of corn and dry distiller's grain based upon Level

1

inputs using quoted market prices. The Company records its ethanol, isobutanol and hydrocarbon inventory at market using Level

2

inputs.

2020/21

Notes Embedded Derivative

. The Company had estimated the fair value of the embedded derivative on a stand-alone basis to be

$0.3

 million at

June 30, 2020 

based upon Level

3

inputs. Changes in the fair value of the embedded derivative is recognized each reporting period as a “

Change in fair value of

2020/21

Notes embedded derivative

” in the consolidated Statements

of Operations and Statements of Cash Flows. See Note

7,

Embedded Derivatives

, for the fair value inputs used to estimate the fair value of the embedded derivative.

Derivative Warrant Liability

. The Company valued the Series F Warrants and Series K Warrants using a Monte-Carlo model (Level

3

) and other warrants using Black-Scholes models comprised of some inputs requiring the use of Monte-Carlo models (Level

3

). The Company has estimated the fair value of the derivative warrant liability to be

$0

 and

$.01

 million as of

June 30, 2020

and 

December 31, 2019,

respectively.

While the Company believes that its valuation methods are appropriate and consistent with other market participants, it recognizes that the use of different methodologies or assumptions to determine the fair value of certain financial instruments could result in a different estimate of fair value at the reporting date.

XML

Note 14 - Segments

6 Months Ended

Jun. 30, 2020

Notes to Financial Statements

Segment Reporting Disclosure [Text Block]

14.

Segments

The Company has determined that it has 

two

operating segments: (i) Gevo segment; and (ii) Gevo Development/Agri-Energy segment. The Company organizes its business segments based on the nature of the products and services offered through each of its consolidated legal entities. Transactions between segments are eliminated in consolidation.

Gevo Segment

. The Gevo segment is responsible for all research and development activities related to the future production of isobutanol, including the development of our proprietary biocatalysts, the production and sale of bio jet fuel, the Company's retrofit process and the next generation of chemicals and biofuels that will be based on the Company's isobutanol technology. The Gevo segment also develops, maintains and protects its intellectual property portfolio, develops future markets for its isobutanol and provides corporate oversight services.

Gevo Development/Agri-Energy Segment

. The Gevo Development/Agri-Energy segment is currently responsible for the operation of the Company's Luverne Facility and the production of ethanol, isobutanol and related products.

The Company's chief operating decision maker is provided with and reviews the financial results of each of the Company's consolidated legal entities, Gevo, Inc., Gevo Development, LLC and Agri-Energy, LLC. The Company organizes its business segments based on the nature of the products and services offered through each of its consolidated legal entities. All revenue is earned and all assets are held in the U.S.

	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
Revenues:
Gevo	$	897		$	92		$	1,022		$	831
Gevo Development / Agri-Energy		91			4,994			3,791			10,658
Consolidated	$	988		$	5,086		$	4,813		$	11,489
Loss from operations:
Gevo	$	(2,808	)	$	(2,960	)	$	(5,689	)	$	(5,633	)
Gevo Development / Agri-Energy		(2,449	)		(3,533	)		(7,544	)		(6,488	)
Consolidated	$	(5,257	)	$	(6,493	)	$	(13,233	)	$	(12,121	)
Interest expense:
Gevo	$	538		$	767		$	1,081		$	1,522
Gevo Development / Agri-Energy		3			—			5			—
Consolidated	$	541		$	767		$	1,086		$	1,522
Depreciation and amortization expense:
Gevo	$	50		$	50		$	106		$	102
Gevo Development / Agri-Energy		1,579			1,559			3,172			3,119
Consolidated	$	1,629		$	1,609		$	3,278		$	3,221
Acquisitions of plant, property and equipment:
Gevo	$	69		$	62		$	79		$	62
Gevo Development / Agri-Energy		428			1,877			1,219			4,081
Consolidated	$	497		$	1,939		$	1,298		$	4,143
Revenue by geographic area
United States	$	91		$	4,994		$	3,841		$	10,658
Other		897			92			972			831
Consolidated	$	988		$	5,086		$	4,813		$	11,489

	June 30 ,			December 31,
	2020			2019
Total assets
Gevo	$	76,800		$	91,861
Gevo Development / Agri-Energy		138,872			143,349
Intercompany eliminations (1)		(135,571	)		(141,851	)
Consolidated (2)	$	80,101		$	93,359

( 1 )	Includes intercompany sales of $0.1  million during the six months ended June 30, 2020 and $0.4 million for the year ended December 31, 2019  for hydrocarbon sales.
( 2 )	All other significant non-cash items relate to the activities of Gevo.

XML

Note 15 - Subsequent Events

6 Months Ended

Jun. 30, 2020

Notes to Financial Statements

Subsequent Events [Text Block]

15.

Subsequent Events

2020

Offering

On

July 6, 2020,

Gevo completed a public offering (the “Offering”) of (i)

20,896,666

Series

1

units (the “Series

1

Units”) at a price of

$0.60

per Series

1

Unit, and (ii)

9,103,334

Series

2

units (the “Series

2

Units”) at a price of

$0.59

per Series

2

Unit. The Offering was made under a registration statement on Form S-

1

filed with the Securities and Exchange Commission, declared effective on

June 30, 2020.

Each Series

1

Unit consists of

one

share of the Company's common stock and

one

Series

2020

-A warrant to purchase

one

share of the Company's commons stock (each, a “Series

2020

-A Warrant”). Each Series

2

Unit consists of a pre-funded Series

2020

-B warrant to purchase

one

share of the Company's common stock (each, a “Series

2020

-B Warrant” and, together with the Series

2020

-A Warrants, the “Warrants”) and

one

Series

2020

-A Warrant. The Series

2020

-A Warrants are exercisable beginning on the date of original issuance and will expire

five

years from the date of issuance, at an exercise price of

$0.60

per share. The pre-funded Series

2020

-B Warrants are exercisable beginning on the date of issuance at a nominal exercise price of

$0.01

per share of common stock any time until the Series

2020

-B Warrants are exercised in full. In connection with the Offering, the Company issued Series

2020

-A Warrants to purchase an aggregate of

30,000,000

shares of common stock.

The net proceeds to the Company from the Offering were approximately

$16.2

million, after deducting placement agent fees and other estimated offering expenses payable by the Company, and

not

including any future proceeds from the exercise of the Warrants. The Company intends to use the net proceeds from the Offering to fund working capital and for other general corporate purposes.

Conversion of

2020/21

 Notes

On

July 10, 2020,

certain holders of the

2020/21

Notes converted

$2.0

million in aggregate principal amount of

2020/21

Notes (including the conversion of an additional 

$0.3

million for make-whole payment) into an aggregate of 

4,169,428

shares of common stock pursuant to the terms of the

2020/21

Indenture. There was

$12.5

 million principal outstanding for the

2020/21

Notes upon completion of the conversion of the

2020/21

Notes.

XML

Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2020

Accounting Policies [Abstract]

Nature of Business [Policy Text Block]

Nature of Business

.  Gevo, Inc. (“Gevo” or the “Company,” which, unless otherwise indicated, refers to Gevo, Inc. and its subsidiaries) is a growth-oriented renewable fuels company that is commercializing the next generation of renewable low-carbon liquid transportation fuels with the potential to achieve a “net zero” greenhouse gas (“GHG”) footprint and address global needs of reducing GHG emissions with sustainable alternatives to petroleum fuels. As next generation renewable fuels, Gevo's hydrocarbon transportation fuels have the advantage of being “drop-in” substitutes for conventional fuels that are derived from crude oil, working seamlessly and without modification in existing fossil-fuel based engines, supply chains and storage infrastructure. In addition to the potential of net

zero

carbon emissions across the whole fuel life-cycle, Gevo's renewable fuels eliminate other pollutants associated with the burning of traditional fossil fuels such as particulates and sulfur, while delivering superior performance. Gevo believes that the world is substantially under-supplied with low-carbon, drop-in renewable fuels that can be immediately used in existing transportation engines and infrastructure, and Gevo is uniquely positioned to grow in serving that demand.

Gevo uses low-carbon, renewable resource-based carbohydrates as raw materials. In the near-term, Gevo's feedstocks will primarily consist of non-food corn. As Gevo's technology is applied globally, feedstocks can consist of sugar cane, molasses or other cellulosic sugars derived from wood, agricultural residues and waste. Gevo's patented fermentation yeast biocatalyst produces isobutanol, a

four

-carbon alcohol, via the fermentation of renewable plant biomass carbohydrates. The resulting renewable isobutanol has a variety of direct applications but, more importantly to Gevo's fundamental strategy, serves as a building block to make renewable isooctane (which we refer to as a renewable premium gasoline) and renewable jet fuel using simple and common chemical conversion processes. Gevo also reduces or eliminates fossil-based process energy inputs by replacing them with renewable energy such as wind-powered electricity and renewable natural gas (“RNG”).

Ultimately, the Company believes that the attainment of profitable operations is dependent upon future events, including (i) completing certain capital improvements at the Company's production facility located in Luverne, Minnesota (the "Luverne Facility") to increase the production capacity of renewable gasoline and jet fuel and other related products that can be made from isobutanol; (ii) completing the Company's development activities resulting in commercial production and sales of renewable hydrocarbon products; (iii) obtaining adequate financing to complete the Company's development activities, including the build out of renewable hydrocarbon capacity; (iv) gaining market acceptance and demand for the Company's products and services; (v) attracting and retaining qualified personnel; and (vi) achieving a level of revenues adequate to support the Company's cost structure.

COVID-

19.

  

The novel coronavirus ("COVID-

19"

) pandemic has had an adverse impact on global commercial activity, including the global transportation industry and its supply chain and has contributed to significant volatility in the financial markets. In light of the current and potential future disruption to the Company's business operations and those of its customers, suppliers and other

third

parties with whom the Company does business, the Company considered the impact of the COVID-

19

pandemic on its business. This analysis considered the Company's resilience and continuity plans, financial modeling and stress testing of liquidity and financial resources.

The Company expects that the impact of the COVID-

19

pandemic on general economic activity will negatively impact its revenue and operating results for at least the remainder of

2020.

The suspension of ethanol production at the Company's Luverne Facility for the foreseeable future and reduction in the Company's workforce during the

first

quarter of

2020

due to the impact of COVID-

19

had an adverse impact on the Company's financial results for the

second

quarter of

2020

reducing revenue by

81%

 compared to the same period in

2019.

 The Company expects that the suspension of ethanol production at the Luverne Facility and reduction in workforce will allow it to reduce its cash burn during

2020.

As an increasing percentage of the Company's employees work remotely, the Company faces the risk that unusual working arrangements could impact the effectiveness of its operations or controls. A potential COVID-

19

infection of any of its key employees could materially and adversely impact its operations. In addition, it is possible that COVID-

19

restrictions could create difficulty for satisfying the Company's legal or regulatory filing or other obligations, including with the SEC and other regulators.

There is also a risk that the COVID-

19

pandemic could have a material adverse impact on customer demand and cash flow for the remainder of

2020

and beyond. The Company will continue to monitor the situation and assess possible implications to the Company's business and its stakeholders and will take appropriate actions to help mitigate adverse consequences. The extent to which COVID-

19

impacts its business and financial position will depend on future developments, which are difficult to predict, including the severity, duration and scope of the COVID-

19

outbreak as well as the types of measures imposed by governmental authorities to contain the virus or address its impact and the duration of those actions and measures.

The Company has considered multiple scenarios, with both positive and negative inputs, as part of the significant estimates and assumptions that are inherent in its financial statements and are based on trends in customer behavior and the economic environment throughout the quarter ended

June 30, 2020

and beyond as the COVID-

19

pandemic has impacted the industries in which the Company operates. These estimates and assumptions include the collectability of billed and unbilled receivables and the estimation of revenue and tangible and intangible assets. With regard to collectability, the Company believes it

may

face atypical delays in client payments going forward but the Company has

not

experienced delays in collection as of

June 30, 2020.

In addition, management believes that the demand for certain discretionary lines of business

may

decrease, and that such decrease will impact its financial results in succeeding periods. Non-discretionary lines of business

may

also be adversely affected, for example because reduced economic activity or disruption in hydrocarbon markets reduces demand for or the extent of renewable alcohol-to-jet fuel (“ATJ”), isooctane and isooctene. The Company believes that these trends and uncertainties are comparable to those faced by other registrants as a result of the pandemic.

In response to the impact of the COVID-

19

pandemic, each of Patrick R. Gruber, the Company's Chief Executive Officer, Christopher M. Ryan, the Company's President, Chief Operating Officer and Chief Technology Officer, L. Lynn Smull, the Company's Chief Financial Officer, Timothy J. Cesarek, the Company's Chief Commercial Officer, Geoffrey T. Williams, Jr., the Company's General Counsel and Secretary, and Carolyn M. Romero, the Company's Vice President - Controller and Principal Accounting Officer (collectively, the “Officers”) accepted

20%

reductions to their base salaries. These reductions became effective as of

April 1, 2020

and will continue until 

July 31, 2020.

In connection with the

20%

salary reduction, the Officers were granted Company stock in the form of restricted stock awards in an amount equal to the

20%

reduction. Certain remaining employees that earn above a certain dollar threshold also agreed to take a

20%

salary reduction through

July 31, 2020,

with the

20%

portion to be paid in the form of restricted stock awards.

In addition, in connection with the impact that the COVID-

19

pandemic has had on the economy and on the resulting disruption to the airline industry specifically, the Company and Delta Air Lines, Inc. (“Delta”) amended portions of the Company's previously disclosed Fuel Sales Agreement (the “Delta Agreement”) on

April 22, 2020 (

the “Delta Amendment”).  The Delta Amendment provides that Delta

may

terminate the Delta Agreement if the Company does

not

notify Delta by

June 30, 2024

that the facility for the production, refining and delivery of ATJ with a nameplate capacity of up to

12

million gallons per year (the “Facility”) has achieved commercial operation and the ability to produce and deliver the ATJ purchased pursuant to the Delta Agreement (the date upon which such operation occurs is referred to as the “Commencement Date”).

The Delta Amendment also revises the credit support terms in the Delta Agreement to state that the Company and Delta will work to mutually agree upon credit support terms for the take or pay that are acceptable to the Company's lender to enable the Company to obtain

third

party financing prior to the earlier of the time that the Company obtains financing for construction of the Facility or otherwise issues a notice to commence construction of the Facility. If the Company and Delta are unable to agree on reasonable credit support terms, the Company

may

terminate the Delta Agreement. The balance of Delta's credit support obligations were deleted.

In addition, the Delta Amendment revises the ATJ pricing in the Delta Agreement to the extent that if Brent Crude is below a certain cutoff price as of the date that is

60

days prior to the Commencement Date (the “Commencement Notice Date”), then the pricing adjusts based upon a formula related to the Brent crude prices as of the Commencement Notice Date. The Delta Amendment also provides that, if as of the Commencement Notice Date, the Brent Crude price is below the price adjustment range, Delta

may

eliminate the take-or-pay requirements of the Delta Agreement, which includes eliminating Delta's obligation to take-or-pay the

10

million gallons per year of ATJ. Instead, the Delta Agreement would require the Company and Delta to agree at that time on the volumes and price of any ATJ to be sold under the Delta Agreement.

Costs Associated with Exit or Disposal Activity or Restructuring [Policy Text Block]

Restructuring Expenses.

 During the

first

quarter of

2020,

the Company suspended for the foreseeable future its ethanol production at the Luverne Facility. In addition, due to the impact of the COVID-

19

 pandemic on the global economy and the Company's industry, in

March 2020,

the Company reduced its workforce, impacting

26

people at the Luverne Facility and

four

 people at the Company's corporate headquarters. Affected employees were offered a severance package which included a

one

-time payment,

one

month of health insurance and acceleration of vesting for any unvested restricted stock awards.

The Company incurred

$0.1

million related to severance costs and

$0.2

million related to lease agreements for which it will

no

longer receive value during the

six

months ended

June 30, 2020,

which are recorded as

Restructuring expenses

on the Consolidated Statements of Operations. Restructuring expense totaled

$0.02

million and

$0.3

million for Gevo and Gevo Development/Agri-Energy segments, respectively, during the

six

months ended

June 30, 2020.

The Company intends to continue developing its hydrocarbon business, including the planned expansion of the Luverne Facility, and the Company expects to move forward in securing the project funding needed to expand the Luverne Facility. The expansion is designed to allow the Company to produce large quantities of low carbon isobutanol, sustainable aviation fuel and renewable isooctane. The Company also expects to continue engineering efforts for the expansion of isobutanol production and the construction of a commercial renewable hydrocarbon production facility, as well as additional decarbonization projects, at the Luverne Facility.

As of

June 30, 2020,

the Company had the following liabilities outstanding related to the restructuring expenses included in

"Accounts payable and accrued liabilities

" in the Consolidated Balance Sheets:

	December 31, 2019		Additions		Payments			June 30, 2020
Severance (including payroll taxes)	$	—	$	96	$	(96	)	$	—
Lease agreements		—		208		(120	)		88
Total	$	—	$	304	$	(216)		$	88

Financial Condition [Policy Text Block]

Financial Condition

. For the 

six

months ended

June 30, 2020 

and

2019,

the Company incurred a consolidated net loss of

$15.3

million and

$13.2

million, respectively, and had an accumulated deficit of

$473.3

million as of

June 30, 2020.

The Company's cash and cash equivalents as of 

June 30, 2020 

totaled

$6.3

 million and are expected to be used for the following purposes: (i) operating activities at the Company's corporate headquarters in Colorado, including research and development work; (ii) development projects associated with RNG; (iii) exploration of strategic alternatives and new financings; (iv) debt service obligations; and (v) maintaining the Luverne Facility.

The Company expects to incur future net losses as it continues to fund the development and commercialization of its product candidates. To date, the Company has financed its operations primarily with proceeds from issuance of equity and debt securities, borrowings under debt facilities and product sales. The Company's transition to profitability is dependent upon, among other things, the successful development and commercialization of its product candidates and the achievement of a level of revenues adequate to support the Company's cost structure. The Company

may

never achieve profitability or positive cash flows, and unless and until it does, the Company will continue to need to raise additional capital. Management intends to fund future operations through additional private and/or public offerings of debt or equity securities. In addition, the Company

may

seek additional capital through arrangements with strategic partners or from other sources, it

may

seek to restructure its debt and it will continue to address its cost structure. Notwithstanding, there can be

no

assurance that the Company will be able to raise additional funds or achieve or sustain profitability or positive cash flows from operations.

Existing working capital was

not

sufficient to meet the cash requirements to fund planned operations through the period that is

one

year after the date the Company's financial statements for the

six

months ended

June 30, 2020 

were issued. These conditions raise substantial doubt about the Company's ability to continue as a going concern. The Company's inability to continue as a going concern

may

potentially affect the Company's rights and obligations under its senior secured debt and issued and outstanding convertible notes. The accompanying financial statements have been prepared assuming that the Company will continue as a going concern and do

not

include adjustments that might result from the outcome of this uncertainty. This basis of accounting contemplates the recovery of the Company's assets and the satisfaction of liabilities in the normal course of business.

At-the-market Offering Program, Policy [Policy Text Block]

At-the-Market Offering Program.

In

February 2018,

the Company commenced an at-the-market offering program, which allows it to sell and issue shares of its common stock from time-to-time. In

August 2019,

the at-the-market offering program was amended to provide available capacity under the at-the-market offering program of 

$10.7

million.

During the

six

months ended

June 30, 2020,

the Company issued

1,343,121

shares of common stock under the at-the-market offering program for total proceeds of

$2.2

million, net of commissions and other offering related expenses.

As of

June 30, 2020,

the Company has remaining capacity to issue up to approximately

$6.5

 million of common stock under the at-the-market offering program.

Basis of Accounting, Policy [Policy Text Block]

Basis of Presentation.

The unaudited consolidated financial statements of the Company (which include the accounts of its wholly-owned subsidiaries Gevo Development, LLC (“Gevo Development”) and Agri-Energy, LLC (“Agri-Energy”)) have been prepared, without audit, pursuant to the rules and regulations of the U.S. Securities and Exchange Commission (the “SEC”). Accordingly, they do

not

include all information and footnotes required by accounting principles generally accepted in the United States (“GAAP”) for complete financial statements. These statements reflect all normal and recurring adjustments which, in the opinion of management, are necessary to present fairly the financial position, results of operations and cash flows of the Compan

y at

June 30

,

2020

and are

not

necessarily indicative of the results to be expected for the full year. These statements should be read in conjunction with the Company's audited consolidated financial statements and notes thereto included under the heading “Financial Statements and Supplementary Data” in Part II, Item 

8

of the Company's Annual Report on Form

10

-K for the year ended

December 

31,

2019.

Income Tax, Policy [Policy Text Block]

Income Taxes.

There is

no

provision for income taxes because the Company has incurred operating losses since inception.

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

Concentration of Business Risk.

 

As of

June 30, 2020, 

two

customers, HCS Group GmbH ("HCS") and Coryton Advanced Fuels Ltd ("Coryton"), comprised approximately

63%

 and

15%

 of the Company's outstanding trade accounts receivable, respectively. As of

December 31, 2019,

three

customers, Eco-Energy, LLC ("Eco-Energy"), Purina Animal Nutrition, LLC ("Purina"), and HCS comprised

57%,

13%

 and

15%

 of the Company's outstanding trade accounts receivable, respectively.

For the

three

months ended

June 30, 2020,

HCS and Coryton accounted for approximately 

76%

and

11%

of the Company's consolidated revenue, respectively. For the

three

months ended

June 30, 2019,

Eco-Energy and Purina represented approximately

77%

and

18%

 of the Company's consolidated revenue, respectively. For the

six

months ended

June 30, 2020,

Eco-Energy, Purina and HCS accounted for approximately

60%,

17%

and

16%

 of the Company's consolidated revenue, respectively. For the

six

months ended

June 30, 2019,

Eco-Energy and Purina accounted for approximately

72%

 and

18%

 of the Company's consolidated revenue, respectively. HCS and Coryton are customers of the Company's Gevo segment. Eco-Energy and Purina are customers of the Company's Gevo Development/Agri-Energy segment (see Note

14

).

Related Party Transactions Policy [Policy Text Block]

Related Party Transaction.

 During the

three

months ended

June 30, 2020,

Gevo paid Blocksize Capital GmbH ("Blocksize") , a company in which a director of Gevo has an indirect ownership interest,

$0.1

million for block chain software development services. There were

no

amounts payable to Blocksize as of

June 30, 2020.

XML

Note 1 - Nature of Business, Financial Condition and Basis of Presentation (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Schedule of Restructuring Reserve by Type of Cost [Table Text Block]

	December 31, 2019		Additions		Payments			June 30, 2020
Severance (including payroll taxes)	$	—	$	96	$	(96	)	$	—
Lease agreements		—		208		(120	)		88
Total	$	—	$	304	$	(216)		$	88

XML

Note 2 - Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	Three  and Six Months ended June 30,
	2020	2019
Warrants to purchase common stock - liability classified	50,812	55,963
Warrant to purchase common stock - equity classified	—	6
Conversion of 2020/21 Notes	6,780,958	—
Conversion of 2020 Notes	—	1,020,595
Outstanding options to purchase common stock	1,556	2,361
Stock appreciation rights	132,566	132,566
Unvested restricted common stock	—	1,538,184
Total	6,965,892	2,749,675

XML

Note 3 - Revenues From Contracts With Customers and Other Revenues (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended June 30, 2020
Major Goods/Service Line	Revenues from Contracts with Customers		Other Revenues		Total
Ethanol sales and related products, net	$	83	$	—	$	83
Hydrocarbon revenue		859		—		859
Other revenue		46		—		46
	$	988	$	—	$	988
Timing of Revenue Recognition
Goods transferred at a point in time	$	942	$	—	$	942
Services transferred over time		46		—		46
	$	988	$	—	$	988

	Three Months Ended June 30, 2019
Major Goods/Service Line	Revenues from Contracts with Customers		Other Revenues		Total
Ethanol sales and related products, net	$	4,996	$	—	$	4,996
Hydrocarbon revenue		92		—		92
Other revenue		—		28		28
	$	5,058	$	28	$	5,086
Timing of Revenue Recognition
Goods transferred at a point in time	$	5,058	$	—	$	5,058
Services transferred over time		—		28		28
	$	5,058	$	28	$	5,086

	Six Months Ended June 30, 2020
Major Goods/Service Line	Revenues from Contracts with Customers		Other Revenues		Total
Ethanol sales and related products, net	$	3,783	$	—	$	3,783
Hydrocarbon revenue		984		—		984
Other revenue		46		—		46
	$	4,813	$	—	$	4,813
Timing of Revenue Recognition
Goods transferred at a point in time	$	4,767	$	—	$	4,767
Services transferred over time		46		—		46
	$	4,813	$	—	$	4,813

	Six Months Ended June 30, 2019
Major Goods/Service Line	Revenues from Contracts with Customers		Other Revenues		Total
Ethanol sales and related products, net	$	10,630		—	$	10,630
Hydrocarbon revenue		831		—		831
Other revenue		—		28		28
	$	11,461	$	28	$	11,489
Timing of Revenue Recognition
Goods transferred at a point in time	$	11,461	$	—	$	11,461
Services transferred over time		—		28		28
	$	11,461	$	28	$	11,489

XML

Note 4 - Leases, Right-to-use Assets and Related Liabilities (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Lease, Cost [Table Text Block]

	Three Months Ended June 30,
	2020		2019
Lease Cost
Financing lease cost	$	1	$	—
Operating lease cost		63		386
Short-Term lease cost		10		15
Variable lease cost		40		32
Total lease cost	$	114	$	433

	Six Months Ended June 30,
	2020			2019
Lease Cost
Financing lease cost	$	2		$	—
Operating lease cost		534			731
Short-Term lease cost		23			32
Variable lease cost		72			65
Total lease cost	$	631		$	828
Other Information
Cash paid for the measurement of lease liabilities:
Operating cash flows from finance lease	$	2		$	—
Operating cash flows from operating leases		534			731
Finance cash flows from finance lease		1			—
Right-to-use asset obtained in exchange for new financing lease liability		13			—
Weighted-average remaining lease term, financing lease (months)		56			—
Weighted-average remaining lease term, operating leases (months)		13			25
Weighted-average discount rate - financing lease		21	%		—
Weighted-average discount rate - operating leases		12	%		12	%

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Year Ending December 31,	Financing Leases			Operating Leases
2020 (remaining)	$	2		193
2021		4			178
2022		4			—
2023		4			—
2024 and thereafter		5			—
Total		19			371
Less: Amounts representing present value discounts		(7	)	(18		)
Total lease liabilities		12		353

XML

Note 5 - Inventories (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	June 30,		December 31,
	2020		2019
Raw materials
Corn	$	13	$	267
Enzymes and other inputs		136		184
Finished goods
Jet Fuels, Isooctane and Isooctene		635		571
Isobutanol		44		135
Ethanol		—		93
Distiller's grains		—		54
Work in process
Agri-Energy		—		254
Gevo		134		122
Spare parts		1,518		1,521
Total inventories	$	2,480	$	3,201

XML

Note 6 - Property, Plant and Equipment (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Property, Plant and Equipment [Table Text Block]

	Useful Life			June 30,			December 31,
	(in years)			2020			2019
Luverne retrofit asset		20		$	70,820		$	70,820
Plant machinery and equipment		10			17,374			17,413
Site improvements		10			7,157			7,054
Lab equipment, furniture and fixtures and vehicles		5			6,396			6,393
Demonstration plant		2			3,597			3,597
Buildings		10			2,543			2,543
Leasehold improvements, pilot plant, land and support equipment	2	to	5		2,523			2,523
Computer, office equipment and software	3	to	6		2,021			2,034
Construction in progress					8,802			7,710
Total property, plant and equipment					121,233			120,087
Less accumulated depreciation and amortization					(56,544	)		(53,391	)
Property, plant and equipment, net				$	64,689		$	66,696

Schedule of Depreciation and Amortization Expense [Table Text Block]

	Three Months Ended June 30 ,
	2020		2019
Cost of goods sold	$	1,575	$	1,559
Operating expenses		50		52
Total depreciation and amortization	$	1,625	$	1,611

	Six Months Ended June 30 ,
	2020		2019
Cost of goods sold	$	3,162	$	3,119
Operating expenses		106		102
Total depreciation and amortization	$	3,268	$	3,221

XML

Note 7 - Embedded Derivatives Liabilities (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Defined Benefit Plan, Assumptions [Table Text Block]

	June 30,			December 31,
	2020			2019
Stock price	$	0.79		$	2.31
Conversion Rate per $1,000		409.50			67.95
Conversion Price	$	2.44		$	14.72
Maturity date	April 1, 2021			March 15, 2020
Risk-free interest rate		0.17	%		1.52	%
Estimated stock volatility		92	%		60	%
Estimated credit spread		38	%		27	%

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

	Issuance Date	Expiration Date	Exercise Price as of June 30, 2020		Shares Underlying Warrants on Issuance Date		Shares Issued upon Warrant Exercises as of June 30, 2020		Shares Underlying Warrants Outstanding as of June 30, 2020
Series D Warrants	12/11/2015	12/11/2020	$	40.00		25,125		25,078		47
Series F Warrants	04/01/2016	04/01/2021	$	40.00		25,733		11,692		14,041
Series I Warrants	09/13/2016	09/13/2021	$	220.00		35,368		—		35,368
Series K Warrants	02/17/2017	2/17/2022	$	3.80		310,016		308,660		1,356
						396,242		345,430		50,812

XML

Note 8 - Accounts Payable and Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

	June 30,		December 31,
	2020		2019
Accrued utilities and supplies	$	704	$	645
Accounts payable - trade		569		1,474
Accrued employee compensation		1,445		1,946
Other accrued liabilities		1,281		1,613
Total accounts payable and accrued liabilities	$	3,999	$	5,678

XML

Note 9 - Debt (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Schedule of Debt [Table Text Block]

	Principal Amount of 2020 Notes			Principal Amount of 2020/21 Notes		Debt Discount			Debt Issue Costs			Total Notes		Embedded Derivative			Total
Balance - December 31, 2019	$	14,053		$	—	$	(123	)	$	(30	)	$	13,900	$	—		$	13,900
Amortization of debt discount		—			—		187			—			187		—			187
Amortization of debt issue costs		—			—		—			15			15		—			15
Paid-in-kind interest		47			144		—			—			191		—			191
Exchange of 2020 Notes for 2020/21 Notes		(14,100	)		14,100		—			—			—		—			—
Original issue discount paid with 2020/21 Notes		—			282		(282	)		—			—		—			—
Fair value of 2020/21 embedded derivative		—			—		—			—			—		2,848			2,848
Change in fair value of 2020/21 Notes embedded derivative		—			—		—			—			—		(2,572	)		(2,572	)
Balance - June 30, 2020	$	—		$	14,526	$	(218	)	$	(15	)	$	14,293	$	276		$	14,569

Schedule of Long-term Debt Instruments [Table Text Block]

	June 30 , 2020			December 31, 2019
SBA Loans	$	1,006		$	—
Equipment		298			321
Insurance		73			428
Total notes payable - other		1,377			749
Less current portion		(603	)		(516	)
Long-term portion	$	774		$	233

Schedule of Maturities of Long-term Debt [Table Text Block]

Year ending December 31,
2020 (remaining)	$	223
2021		764
2022		290
2023		65
2024 and thereafter		35
	$	1,377

XML

Note 11 - Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Share-based Payment Arrangement, Cost by Plan [Table Text Block]

	Three Months Ended June 30,					Six Months Ended June 30,
	2020		2019			2020			2019
Restricted stock
Research and development	$	135	$	33		$	211		$	61
Selling, general and administrative		362		139			622			345
Stock appreciation rights
Research and development		2		(34	)		(77	)		(18	)
Selling, general and administrative		2		(31	)		(83	)		(18	)
Total stock-based compensation	$	501	$	107		$	673		$	370

Share-based Payment Arrangement, Option, Activity [Table Text Block]

						Weighted-
						Average
				Weighted-		Remaining
				Average		Contractual		Aggregate
	Number of			Exercise		Term		Intrinsic
	Options			Price		(years)		Value
Options outstanding at December 31, 2019		1,561		$	928.79		6.56	$	—
Granted		—		$	—
Canceled or forfeited		(5	)	$	166.44
Exercised		—		$	—
Options outstanding at June 30, 2020		1,556		$	877.93		6.05	$	—
Options exercisable at June 30, 2020		1,556		$	877.93		6.05	$	—
Options vested and expected to vest at June 30, 2020		1,556		$	877.93		6.05	$	—

Schedule of Nonvested Share Activity [Table Text Block]

				Weighted-
				Average
	Number of			Grant-Date
	Shares			Fair Value
Non-vested at December 31, 2019		1,308,613		$	1.91
Granted		349,750		$	0.98
Vested		(900,180	)	$	1.60
Canceled or forfeited		(6,974	)	$	1.90
Non-vested at June 30, 2020		751,209		$	1.81

XML

Note 13 - Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]

			Fair Value Measurements at June 30, 2020 (In thousands)
	Fair Value at June 30, 2020		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Recurring:
Derivative Warrant Liability	$	—	$	—	$	—	$	—
2020/21 Notes Embedded Derivative Liability		276		—		—		276
Total Recurring Fair Value Measurements	$	276	$	—	$	—	$	276
Nonrecurring
Corn and finished goods inventory	$	554	$	13	$	541	$	—

			Fair Value Measurements at December 31, 2019 (In thousands)
	Fair Value at December 31, 2019		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Recurring:
Derivative Warrant Liability	$	8	$	—	$	—	$	8
Nonrecurring
Corn and finished goods inventory	$	940	$	267	$	673	$	—

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

	Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
	Derivative Warrant Liability			2020/21 Notes Embedded Derivative
Balance, December 31, 2019	$	8		$	—
Issue of 2020/21 Notes embedded derivative liability		—			2,848
Total (gains) included in earnings		(8	)		(2,572	)
Balance, June 30, 2020	$	—		$	276

XML

Note 14 - Segments (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
Revenues:
Gevo	$	897		$	92		$	1,022		$	831
Gevo Development / Agri-Energy		91			4,994			3,791			10,658
Consolidated	$	988		$	5,086		$	4,813		$	11,489
Loss from operations:
Gevo	$	(2,808	)	$	(2,960	)	$	(5,689	)	$	(5,633	)
Gevo Development / Agri-Energy		(2,449	)		(3,533	)		(7,544	)		(6,488	)
Consolidated	$	(5,257	)	$	(6,493	)	$	(13,233	)	$	(12,121	)
Interest expense:
Gevo	$	538		$	767		$	1,081		$	1,522
Gevo Development / Agri-Energy		3			—			5			—
Consolidated	$	541		$	767		$	1,086		$	1,522
Depreciation and amortization expense:
Gevo	$	50		$	50		$	106		$	102
Gevo Development / Agri-Energy		1,579			1,559			3,172			3,119
Consolidated	$	1,629		$	1,609		$	3,278		$	3,221
Acquisitions of plant, property and equipment:
Gevo	$	69		$	62		$	79		$	62
Gevo Development / Agri-Energy		428			1,877			1,219			4,081
Consolidated	$	497		$	1,939		$	1,298		$	4,143
Revenue by geographic area
United States	$	91		$	4,994		$	3,841		$	10,658
Other		897			92			972			831
Consolidated	$	988		$	5,086		$	4,813		$	11,489

XML

Note 1 - Nature of Business, Financial Condition and Basis of Presentation (Details Textual) $ in Thousands	1 Months Ended		3 Months Ended				6 Months Ended		12 Months Ended
	Apr. 30, 2020	Aug. 31, 2019 USD ($)	Jun. 30, 2020 USD ($) shares	Mar. 31, 2020 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Jun. 30, 2020 USD ($) shares	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Percentage of Salaries Reductions in Reponse to COVID-19	20.00%
Restructuring Charges, Total			$ 5				$ 304
Net Income (Loss) Attributable to Parent, Total			(6,043)	$ (9,253)	$ (7,090)	$ (6,136)	(15,296)	(13,226)
Retained Earnings (Accumulated Deficit), Ending Balance			(473,282)				(473,282)		$ (457,986)
Cash and Cash Equivalents, at Carrying Value, Ending Balance			$ 6,337				6,337		$ 16,302
Proceeds from Issuance of Common Stock							2,271	$ 9,878
Income Tax Expense (Benefit), Total							0
Blocksize Capital GmbH [Member]
Payments for Software, Total							$ 100
Customer Concentration Risk [Member] | Accounts Receivable [Member]
Number of Customer			2				2		3
Customer Concentration Risk [Member] | Accounts Receivable [Member] | HCS Group GmbH [Member]
Concentration Risk, Percentage							63.00%		15.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Coryton Advanced Fuels Ltd [Member]
Concentration Risk, Percentage							15.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Eco-Energy, LLC [Member]
Concentration Risk, Percentage									57.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Purina Animal Nutrition, LLC [Member]
Concentration Risk, Percentage									13.00%
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | HCS Group GmbH [Member]
Concentration Risk, Percentage			76.00%				16.00%
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Coryton Advanced Fuels Ltd [Member]
Concentration Risk, Percentage			11.00%
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Eco-Energy, LLC [Member]
Concentration Risk, Percentage					77.00%		60.00%	72.00%
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Purina Animal Nutrition, LLC [Member]
Concentration Risk, Percentage					18.00%		17.00%	18.00%
At-the-market Offering [Member]
Increase (Decrease) in At-the-Market Offering of Stock		$ 10,700
Stock Issued During Period, Shares, New Issues (in shares) | shares							1,343,121
Proceeds from Issuance of Common Stock							$ 2,200
Offering of Stock, Remaining Capacity, Shares (in shares) | shares			6,500,000				6,500,000
Gevo [Member]
Restructuring Charges, Total							$ 20
Gevo Development / Agri-Energy [Member]
Restructuring Charges, Total							$ 300
Workforce Reduced at Luverne Facility [Member]
Restructuring and Related Cost, Number of Positions Eliminated							26
Workforce Reduced at Corporate Headquarters [Member]
Restructuring and Related Cost, Number of Positions Eliminated							4
Employee Severance [Member]
Restructuring Charges, Total							$ 96
Lease Agreement [Member]
Restructuring Charges, Total							$ 208
Officers [Member]
Percentage of Salaries Reductions in Reponse to COVID-19	20.00%
Certain Remaining Employees [Member]
Percentage of Salaries Reductions in Reponse to COVID-19	20.00%
COVID-19 [Member]
Percentage of Revenue Reduction							81.00%

XML

Note 1 - Nature of Business, Financial Condition and Basis of Presentation - Restructuring Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Balance
Additions	$ 5		304
Payments			(216)
Balance	88		88
Employee Severance [Member]
Balance
Additions			96
Payments			(96)
Balance
Lease Agreement [Member]
Balance
Additions			208
Payments			(120)
Balance	$ 88		$ 88

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Note 2 - Earnings Per Share - Securities that Potentially Dilute Calculation of Diluted Earnings Per Share (Details) - shares	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Potentially dilute securities (in shares)	6,965,892	2,749,675
Share-based Payment Arrangement, Option [Member]
Potentially dilute securities (in shares)	1,556	2,361
Stock Appreciation Rights (SARs) [Member]
Potentially dilute securities (in shares)	132,566	132,566
Restricted Stock [Member]
Potentially dilute securities (in shares)		1,538,184
Convertible 2020/21 Notes [Member]
Potentially dilute securities (in shares)	6,780,958
Convertible 2020 Notes [Member]
Potentially dilute securities (in shares)		1,020,595
Warrant [Member]
Potentially dilute securities (in shares)	50,812	55,963
Warrants Classified as Equity [Member]
Potentially dilute securities (in shares)		6

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Note 3 - Revenues From Contracts With Customers and Other Revenues (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Revenue from Contract with Customer, Including Assessed Tax	$ 988	$ 5,058	$ 4,813	$ 11,461
Contract with Customer, Asset, after Allowance for Credit Loss, Total	0		0		$ 0
Contract with Customer, Asset, Credit Loss Expense (Reversal)			0		0
Transferred at Point in Time [Member]
Revenue from Contract with Customer, Including Assessed Tax	942	5,058	4,767	11,461
Transferred at Point in Time [Member] | Variable Consideration or Multiple Performance Obligations [Member]
Revenue from Contract with Customer, Including Assessed Tax	0	0	0	0
Revenue, Remaining Performance Obligation, Amount	0		0		0
Transferred over Time [Member]
Revenue from Contract with Customer, Including Assessed Tax	46		46
Transferred over Time [Member] | Variable Consideration or Multiple Performance Obligations [Member]
Revenue from Contract with Customer, Including Assessed Tax	0	$ 0	0	$ 0
Revenue, Remaining Performance Obligation, Amount	$ 0		$ 0		$ 0

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Note 3 - Revenues From Contracts With Customers; Other Revenues - Disaggregated Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenue from Contract with Customer, Including Assessed Tax	$ 988	$ 5,058	$ 4,813	$ 11,461
Other revenues		28		28
Total revenues	988	5,086	4,813	11,489
Transferred at Point in Time [Member]
Revenue from Contract with Customer, Including Assessed Tax	942	5,058	4,767	11,461
Other revenues
Total revenues	942	5,058	4,767	11,461
Transferred over Time [Member]
Revenue from Contract with Customer, Including Assessed Tax	46		46
Other revenues		28		28
Total revenues	46	28	46	28
Ethanol Sales and Related Products [Member]
Revenue from Contract with Customer, Including Assessed Tax	83	4,966	3,783	10,630
Other revenues
Total revenues	83	4,996	3,783	10,630
Hydrocarbon [Member]
Revenue from Contract with Customer, Including Assessed Tax	859	92	984	831
Other revenues
Total revenues	859	92	984	831
Grant and Other [Member]
Revenue from Contract with Customer, Including Assessed Tax	46		46
Other revenues		28		28
Total revenues	$ 46	$ 28	$ 46	$ 28

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Note 4 - Leases, Right-to-use Assets and Related Liabilities (Details Textual) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Lessee, Operating Lease, Right-of-Use Asset, Not yet Commenced, Fair Value	$ 3
Lessee, Operating Lease, Liability, Not yet Commenced, Fair Value		$ 3

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Note 4 - Leases, Right-to-use Assets and Related Liabilities - Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Financing lease cost	$ 1		$ 2
Operating lease cost	63	386	534	731
Short-Term lease cost	10	15	23	32
Variable lease cost	40	32	72	65
Total lease cost	$ 114	$ 433	631	828
Operating cash flows from finance lease			2
Operating cash flows from operating leases			534	731
Finance cash flows from finance lease			1
Right-of-use asset purchased with financing lease			$ 13
Weighted-average remaining lease term, financing lease (months) (Month)	4 years 240 days		4 years 240 days
Weighted-average remaining lease term, operating leases (months) (Month)	1 year 30 days	2 years 30 days	1 year 30 days	2 years 30 days
Weighted-average discount rate - financing lease	21.00%		21.00%
Weighted-average discount rate - operating leases	12.00%	12.00%	12.00%	12.00%

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Note 4 - Leases, Right-to-use Assets and Related Liabilities - Future Minimum Payments Under Non-cancelable Operating Leases (Details) $ in Thousands	Jun. 30, 2020 USD ($)
2020 (remaining), financing leases	$ 2
2020 (remaining), operating leases	193
2021, financing leases	4
2021, operating leases	178
2022, financing leases	4
2022, operating leases
2023, financing leases	4
2023, operating leases
2024 and thereafter, financing leases	5
2024 and thereafter, operating leases
Total, financing leases	19
Total, operating leases	371
Less: Amounts representing present value discounts, financing leases	(7)
Less: Amounts representing present value discounts, operating leases	(18)
Accounts Payable, Accrued Liabilities and Other Noncurrent Liabilities [Member]
Total lease liabilities, financing leases	12
Total lease liabilities, operating leases	$ 353

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Note 5 - Inventories - Components of Inventory Balances (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Spare parts	$ 1,518	$ 1,521
Total inventories	2,480	3,201
Corn [Member]
Raw materials	13	267
Enzymes and Other Inputs [Member]
Raw materials	136	184
Jet Fuels, Isooctane and Isooctene [Member]
Finished goods	635	571
Isobutanol [Member]
Finished goods	44	135
Ethanol [Member]
Finished goods		93
Distiller's Grains [Member]
Finished goods		54
Agri-Energy [Member]
Work in process		254
Gevo [Member]
Work in process	$ 134	$ 122

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Note 6 - Property, Plant and Equipment - Property, Plant and Equipment by Classification (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Property, plant, and equipment, gross	$ 121,233	$ 120,087
Less accumulated depreciation and amortization	(56,544)	(53,391)
Property, plant and equipment, net	$ 64,689	66,696
Retrofit Assets [Member]
Property, plant and equipment, useful life (Year)	20 years
Property, plant, and equipment, gross	$ 70,820	70,820
Machinery and Equipment [Member]
Property, plant and equipment, useful life (Year)	10 years
Property, plant, and equipment, gross	$ 17,374	17,413
Site Improvement [Member]
Property, plant and equipment, useful life (Year)	10 years
Property, plant, and equipment, gross	$ 7,157	7,054
Lab Equipment, Furniture and Fixtures, and Vehicles [Member]
Property, plant and equipment, useful life (Year)	5 years
Property, plant, and equipment, gross	$ 6,396	6,393
Demonstration Plant [Member]
Property, plant and equipment, useful life (Year)	2 years
Property, plant, and equipment, gross	$ 3,597	3,597
Building [Member]
Property, plant and equipment, useful life (Year)	10 years
Property, plant, and equipment, gross	$ 2,543	2,543
Leasehold Improvements [Member]
Property, plant, and equipment, gross	$ 2,523	2,523
Leasehold Improvements [Member] | Minimum [Member]
Property, plant and equipment, useful life (Year)	2 years
Leasehold Improvements [Member] | Maximum [Member]
Property, plant and equipment, useful life (Year)	5 years
Computer, Office Equipment, and Software [Member]
Property, plant, and equipment, gross	$ 2,021	2,034
Computer, Office Equipment, and Software [Member] | Minimum [Member]
Property, plant and equipment, useful life (Year)	3 years
Computer, Office Equipment, and Software [Member] | Maximum [Member]
Property, plant and equipment, useful life (Year)	6 years
Construction in Progress [Member]
Property, plant, and equipment, gross	$ 8,802	$ 7,710

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Note 6 - Property, Plant and Equipment - Depreciation and Amortization Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Depreciation and amortization	$ 1,625	$ 1,611	$ 3,268	$ 3,221
Cost of Sales [Member]
Depreciation and amortization	1,575	1,559	3,162	3,119
Operating Expense [Member]
Depreciation and amortization	$ 50	$ 52	$ 106	$ 102

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Note 7 - Embedded Derivatives Liabilities (Details Textual) shares in Thousands, $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) shares	Jun. 30, 2019 USD ($)	Jan. 31, 2020	Jan. 10, 2020	Dec. 31, 2019 USD ($)	Apr. 19, 2017
Embedded Derivative, Fair Value of Embedded Derivative, Net, Total		$ 300		$ 300				$ 0
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net, Total		(176)	$ 148	$ (276)	$ 394
Class of Warrant or Right, Issued During Period (in shares) | shares				0
Class of Warrant or Right, Exercises in Period (in shares) | shares				0
Embedded Derivative, 2020/21 Convertible Notes [Member]
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net, Total		$ 200	$ 100	$ 300	$ 400
Convertible 2020 Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage	12.00%								12.00%
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger	150.00%
Debt Instrument, Convertible, Threshold Consecutive Trading Days	10
Number of Embedded Derivative	1
Convertible 2017 Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage	12.00%
Convertible 2020/21 Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage						12.00%	12.00%

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Note 7 - Embedded Derivatives Liabilities - Schedule of Inputs to Lattice Model Used to Value Embedded Derivatives (Details)	Jun. 30, 2020	Dec. 31, 2019
Measurement Input, Exercise Price [Member]
Embedded derivative liability, measurement input	0.79	2.31
Measurement Input, Conversion Rate, Per 1000 dollars [Member]
Embedded derivative liability, measurement input	409.5	67.95
Measurement Input, Conversion Price [Member]
Embedded derivative liability, measurement input	2.44	14.72
Measurement Input, Risk Free Interest Rate [Member]
Embedded derivative liability, measurement input	0.0017	0.0152
Measurement Input, Price Volatility [Member]
Embedded derivative liability, measurement input	0.92	0.6
Measurement Input, Entity Credit Risk [Member]
Embedded derivative liability, measurement input	0.38	0.27

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Note 7- Embedded Derivatives and Derivative Warrant Liabilities - Schedule of Shares Issued Upon Exercise of Warrants (Details) - $ / shares	6 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Shares Underlying Warrants (in shares)	50,812	396,242
Shares Issues Upon Warrant Exercises (in shares)	345,430
Series D Warrants [Member]
Warrant, Issuance Date	Dec. 11, 2015
Warrants, Expiration date	Dec. 11, 2020
Warrant Exercise Price (in dollars per share)	$ 40
Shares Underlying Warrants (in shares)	47	25,125
Shares Issues Upon Warrant Exercises (in shares)	25,078
Series F Warrants [Member]
Warrant, Issuance Date	Apr. 01, 2016
Warrants, Expiration date	Apr. 01, 2021
Warrant Exercise Price (in dollars per share)	$ 40
Shares Underlying Warrants (in shares)	14,041	25,733
Shares Issues Upon Warrant Exercises (in shares)	11,692
Series I Warrants [Member]
Warrant, Issuance Date	Sep. 13, 2016
Warrants, Expiration date	Sep. 13, 2021
Warrant Exercise Price (in dollars per share)	$ 220
Shares Underlying Warrants (in shares)	35,368	35,368
Shares Issues Upon Warrant Exercises (in shares)
Series K Warrants [Member]
Warrant, Issuance Date	Feb. 17, 2017
Warrants, Expiration date	Feb. 17, 2022
Warrant Exercise Price (in dollars per share)	$ 3.80
Shares Underlying Warrants (in shares)	1,356	310,016
Shares Issues Upon Warrant Exercises (in shares)	308,660

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Note 8 - Accounts Payable and Accrued Liabilities - Components Accounts Payable and Accrued Liabilities in Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Accrued utilities and supplies	$ 704	$ 645
Accounts payable - trade	569	1,474
Accrued employee compensation	1,445	1,946
Other accrued liabilities	1,281	1,613
Total accounts payable and accrued liabilities	$ 3,999	$ 5,678

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Note 9 - Debt (Details Textual) - USD ($) $ / shares in Units, $ in Thousands			1 Months Ended	3 Months Ended		6 Months Ended
	Jan. 10, 2020	Apr. 19, 2017	Apr. 30, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Jan. 31, 2020	Dec. 31, 2019	Jun. 30, 2017
Gain (Loss) on Extinguishment of Debt, Total				$ (57)		$ (726)
Notes Payable, Other Payables [Member]
Long-term Debt, Total				$ 1,377		1,377			$ 749
Debt Instrument, Periodic Payment, Total						$ 100
Notes Payable, Other Payables [Member] | Minimum [Member]
Debt Instrument, Interest Rate, Stated Percentage				4.00%		4.00%
Notes Payable, Other Payables [Member] | Maximum [Member]
Debt Instrument, Interest Rate, Stated Percentage				21.00%		21.00%
Convertible 2020 Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage		12.00%								12.00%
Debt Instrument, Interest Rate, Paid In Kind Percentage		2.00%
Debt Instrument, Convertible, Conversion Price (in dollars per share)		$ 14.72
Debt Instrument, Convertible, Conversion Ratio		0.0679
Long-term Debt, Total									14,100
Gain (Loss) on Extinguishment of Debt, Total						$ (700)
Beneficial Ownership Limitation, Percentage		4.99%
Beneficial Ownership Limitation Percentage, Notice (Day)		61 days
Beneficial Ownership Limitation After Notice, Percentage		9.99%
Convertible 2020/21 Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage	12.00%							12.00%
Debt Instrument, Convertible, Conversion Price (in dollars per share)	$ 2.442
Debt Instrument, Convertible, Conversion Ratio	0.4095
Debt Instrument, Face Amount	$ 14,400
Maximum Principal Amount of Notes Issuable Upon Option Exercise	$ 7,100
Original Issue Discount	2.00%
Debt Instrument, Indenture, Maturity Extension, Trigger, Outstanding Balance	$ 7,000
Debt Instrument, PIK Interest	4.00%
Debt Instrument, Conversion Price Reduction, Discount Rate	10.00%
SBA Loans [Member]
Debt Instrument, Periodic Payment, Total			$ 60
Proceeds from Paycheck Protection Program Under CARES Act			$ 1,000
SBA Loans [Member] | Notes Payable, Other Payables [Member]
Long-term Debt, Total				$ 1,006		$ 1,006

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Note 9 - Debt - Information Pertaining to Convertible Notes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Balance
Original issue discount paid with 2020/21 Notes			282
Change in fair value of 2020/21 Notes embedded derivative	$ 176	$ (148)	276	$ (394)
Balance	276		276
Embedded Derivative, Convertible Notes [Member]
Balance
Fair value of 2020/21 embedded derivative			2,848
Change in fair value of 2020/21 Notes embedded derivative			(2,572)
Balance	276		276
Convertible Debt [Member]
Balance			(123)
Balance			(30)
Balance			13,900
Amortization of debt discount			187
Amortization of debt issue costs			15
Paid-in-kind interest			191
Original issue discount paid with 2020/21 Notes			(282)
Balance	(218)		(218)
Balance	(15)		(15)
Balance	14,293		14,293
Convertible 2020 Notes [Member]
Balance			13,900
Convertible 2020 Notes [Member] | Convertible Debt [Member]
Balance			14,053
Paid-in-kind interest			47
Exchange of 2020 Notes for 2020/21 Notes			(14,100)
Original issue discount paid with 2020/21 Notes
Balance
Convertible 2020/21 Notes [Member]
Balance	14,293		14,293
Convertible 2020/21 Notes [Member] | Convertible Debt [Member]
Balance
Paid-in-kind interest			144
Exchange of 2020 Notes for 2020/21 Notes			14,100
Original issue discount paid with 2020/21 Notes			282
Balance	14,526		14,526
Convertible Debt and Embedded Derivative Liabilities [Member]
Balance			13,900
Amortization of debt discount			187
Amortization of debt issue costs			15
Paid-in-kind interest			191
Fair value of 2020/21 embedded derivative			2,848
Change in fair value of 2020/21 Notes embedded derivative			(2,572)
Balance	$ 14,569		$ 14,569

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Note 9 - Debt - Notes Payable - Other (Details) - Notes Payable, Other Payables [Member] - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Notes payable, other	$ 1,377	$ 749
Less current portion	(603)	(516)
Long-term portion	774	233
SBA Loans [Member]
Notes payable, other	1,006
Notes Payable, Equipment [Member]
Notes payable, other	298	321
Notes Payable, Insurance [Member]
Notes payable, other	$ 73	$ 428

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Note 9 - Debt - Future Payments for Notes Payable - Other (Details) - Notes Payable, Other Payables [Member] - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
2020 (remaining)	$ 223
2021	764
2022	290
2023	65
2024 and thereafter	35
Long-term Debt, Total	$ 1,377	$ 749

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Note 10 - Equity Incentive Plans (Details Textual) - shares		1 Months Ended				3 Months Ended	6 Months Ended	12 Months Ended
	Jul. 06, 2020	Jul. 31, 2020	Apr. 30, 2020	Mar. 31, 2020	Feb. 29, 2020	Jun. 30, 2020	Jun. 30, 2020	Dec. 31, 2019	Jun. 03, 2020	Jun. 10, 2019
Percentage of Salaries Reductions in Reponse to COVID-19			20.00%
Subsequent Event [Member]
Percentage of Salaries Reductions in Reponse to COVID-19		20.00%
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)							349,750
Stock Incentive Plan 2010 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)									6,980,074	3,266,661
Common Stock, Capital Shares Reserved for Future Issuance (in shares)									3,713,413
Stock Incentive Plan 2010 [Member] | Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)			239,155
Stock Incentive Plan 2010 [Member] | Restricted Stock [Member] | Subsequent Event [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)		115,156
Stock Incentive Plan 2010 [Member] | Share-based Payment Arrangement, Tranche One [Member] | Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	3,989,140				109,337
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)					3 years
Stock Incentive Plan 2010 [Member] | Share-based Payment Arrangement, Tranche Two [Member] | Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)			29,032		1,258
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)					2 years
Stock Incentive Plan 2010 [Member] | Share-based Payment Arrangement, Tranche Two [Member] | Restricted Stock [Member] | Subsequent Event [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	101,730
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	2 years
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)						5,202,941	5,202,941	190
Common Stock, Capital Shares Reserved for Future Issuance (in shares)								190
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation (in shares)				4,055		286,324
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent								85.00%
Stock Issued During Period, Shares, Employee Stock Purchase Plans (in shares)							0	0

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Note 11 - Stock-based Compensation (Details Textual) $ in Millions	6 Months Ended
	Jun. 30, 2020 USD ($)
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	1 year
Restricted Stock [Member]
Share Based Compensation Arrangement by Share Based Payment Award Fair Value of Options Vested in Period	$ 1.4
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 1.3

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Note 11 - Stock-based Compensation - Stock-based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Stock-based compensation	$ 501	$ 107	$ 673	$ 370
Stock Options Issued to Employees and Board Members [Member] | Research and Development Expense [Member]
Stock-based compensation	135	33	211	61
Stock Options Issued to Employees and Board Members [Member] | Selling, General and Administrative Expenses [Member]
Stock-based compensation	362	139	622	345
Restricted Stock [Member] | Research and Development Expense [Member]
Stock-based compensation	2	(34)	(77)	(18)
Restricted Stock [Member] | Selling, General and Administrative Expenses [Member]
Stock-based compensation	$ 2	$ (31)	$ (83)	$ (18)

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Note 11 - Stock-based Compensation - Stock Option Award Activity (Details) - $ / shares	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Options outstanding (in shares)	1,561
Options outstanding, weighted average exercise price (in dollars per share)	$ 928.79
Options outstanding, weighted average remaining contractual term (Year)	6 years 18 days	6 years 204 days
Granted (in shares)
Granted, weighted average exercise price (in dollars per share)
Canceled or forfeited (in shares)	(5)
Canceled or forfeited, weighted average exercise price (in dollars per share)	$ 166.44
Exercised (in shares)
Exercised, weighted average exercise price (in dollars per share)
Options outstanding (in shares)	1,556	1,561
Options outstanding, weighted average exercise price (in dollars per share)	$ 877.93	$ 928.79
Options exercisable (in shares)	1,556
Options exercisable, weighted average exercise price (in dollars per share)	$ 877.93
Options exercisable, weighted average remaining contractual term (Year)	6 years 18 days
Options vested and expected to vest (in shares)	1,556
Options vested and expected to vest, weighted average exercise price (in dollars per share)	$ 877.93
Options vested and expected to vest, weighted average remaining contractual term (Year)	6 years 18 days

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Note 11 - Stock-based Compensation - Non-vested Restricted Stock (Details) - Restricted Stock [Member]	6 Months Ended
	Jun. 30, 2020 $ / shares shares
Non-vested (in shares) | shares	1,308,613
Non-vested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 1.91
Granted (in shares) | shares	349,750
Granted, weighted average grant date fair value (in dollars per share) | $ / shares	$ 0.98
Vested (in shares) | shares	(900,180)
Vested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 1.60
Canceled or forfeited (in shares) | shares	(6,974)
Canceled or forfeited, weighted average grant date fair value (in dollars per share) | $ / shares	$ 1.90
Non-vested (in shares) | shares	751,209
Non-vested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 1.81

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Note 12 - Commitments and Contingencies (Details Textual) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Accrual for Environmental Loss Contingencies, Ending Balance	$ 0
Indemnification Agreement [Member]
Loss Contingency Accrual, Ending Balance	$ 0	$ 0

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Note 13 - Fair Value Measurements (Details Textual) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Embedded Derivative, Fair Value of Embedded Derivative Liability	$ 276
Series F Warrants and Series K Warrants [Member]
Warrants and Rights Outstanding	$ 0	$ 10

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Note 13 - Fair Value Measurements - Schedule of Carrying Value and Fair Value by Fair Value Hierarchy of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Fair Value, Recurring [Member]
Liabilities, fair value	$ 276
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Liabilities, fair value
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Liabilities, fair value
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Liabilities, fair value	276
Fair Value, Recurring [Member] | Warrant [Member]
Derivative liability, fair value		$ 8
Fair Value, Recurring [Member] | Warrant [Member] | Fair Value, Inputs, Level 1 [Member]
Derivative liability, fair value
Fair Value, Recurring [Member] | Warrant [Member] | Fair Value, Inputs, Level 2 [Member]
Derivative liability, fair value
Fair Value, Recurring [Member] | Warrant [Member] | Fair Value, Inputs, Level 3 [Member]
Derivative liability, fair value		8
Fair Value, Recurring [Member] | Embedded Derivative [Member]
Derivative liability, fair value	276
Fair Value, Recurring [Member] | Embedded Derivative [Member] | Fair Value, Inputs, Level 1 [Member]
Derivative liability, fair value
Fair Value, Recurring [Member] | Embedded Derivative [Member] | Fair Value, Inputs, Level 2 [Member]
Derivative liability, fair value
Fair Value, Recurring [Member] | Embedded Derivative [Member] | Fair Value, Inputs, Level 3 [Member]
Derivative liability, fair value	276
Fair Value, Nonrecurring [Member] | Corn and Finished Goods Inventory [Member]
Corn and finished goods inventory, fair value	554	940
Fair Value, Nonrecurring [Member] | Corn and Finished Goods Inventory [Member] | Fair Value, Inputs, Level 1 [Member]
Corn and finished goods inventory, fair value	13	267
Fair Value, Nonrecurring [Member] | Corn and Finished Goods Inventory [Member] | Fair Value, Inputs, Level 2 [Member]
Corn and finished goods inventory, fair value	541	673
Fair Value, Nonrecurring [Member] | Corn and Finished Goods Inventory [Member] | Fair Value, Inputs, Level 3 [Member]
Corn and finished goods inventory, fair value

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Note 13 - Fair Value Measurements - Schedule of Fair Value Measurements Using Level 3 Inputs (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2020 USD ($)
Derivative Financial Instruments, Liabilities [Member]
Balance, December 31, 2019	$ 8
Issue of 2020/21 Notes embedded derivative liability
Total (gains) included in earnings	(8)
Balance, June 30, 2020
Embedded Derivative, 2020/21 Convertible Notes [Member]
Balance, December 31, 2019
Issue of 2020/21 Notes embedded derivative liability	2,848
Total (gains) included in earnings	(2,572)
Balance, June 30, 2020	$ 276

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Note 14 - Segments (Details Textual) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)
Number of Operating Segments	2
Intercompany Sales	$ 0.1	$ 0.4

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Note 14 - Segments - Information on Business Segments (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Revenue from contract with Customer		$ 988	$ 5,058	$ 4,813	$ 11,461
Loss from operations		(5,257)	(6,493)	(13,233)	(12,121)
Interest expense		541	767	1,086	1,522
Depreciation and amortization		1,629	1,609	3,278	3,221
Acquisitions of plant, property and equipment		497	1,939	1,298	4,143
Total revenues		988	5,086	4,813	11,489
Assets	[1]	80,101		80,101		$ 93,359
UNITED STATES
Total revenues		91	4,994	3,841	10,658
Non-US [Member]
Total revenues		897	92	972	831
Intersegment Eliminations [Member]
Assets	[2]	(135,571)		(135,571)		(141,851)
Gevo [Member]
Revenue from contract with Customer		897	92	1,022	831
Loss from operations		(2,808)	(2,960)	(5,689)	(5,633)
Interest expense		538	767	1,081	1,522
Depreciation and amortization		50	50	106	102
Acquisitions of plant, property and equipment		69	62	79	62
Gevo [Member] | Operating Segments [Member]
Assets		76,800		76,800		91,861
Gevo Development / Agri-Energy [Member]
Revenue from contract with Customer		91	4,994	3,791	10,658
Loss from operations		(2,449)	(3,533)	(7,544)	(6,488)
Interest expense		3		5
Depreciation and amortization		1,579	1,559	3,172	3,119
Acquisitions of plant, property and equipment		428	$ 1,877	1,219	$ 4,081
Gevo Development / Agri-Energy [Member] | Operating Segments [Member]
Assets		$ 138,872		$ 138,872		$ 143,349

[1] All other significant non-cash items relate to the activities of Gevo.

[2] Includes intercompany sales of $0.1 million during the six months ended June 30, 2020 and $0.4 million for the year ended December 31, 2019 for hydrocarbon sales.

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Note 15 - Subsequent Events (Details Textual) - USD ($) $ / shares in Units, $ in Millions	Jul. 10, 2020	Jul. 06, 2020	Jul. 06, 2025	Jun. 30, 2020	Dec. 31, 2019
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)				50,812	396,242
Series 2020 B Warrants [Member] | Forecast [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)			$ 0.01
Series 1 Unit [Member] | Forecast [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)			$ 0.60
Subsequent Event [Member]
Proceeds from Issuance or Sale of Equity, Total		$ 16.2
Subsequent Event [Member] | Convertible 2020/21 Notes [Member]
Long-term Debt, Total	$ 12.5
Subsequent Event [Member] | Convertible 2020 Notes [Member]
Debt Conversion, Original Debt, Amount	$ 2.0
Debt Conversion, Converted Instrument, Shares Issued (in shares)	4,169,428
Subsequent Event [Member] | The Series 2020 A Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)		1
Warrants and Rights Outstanding, Term (Year)		5 years
Subsequent Event [Member] | Series 2020 B Warrants [Member]
Units Issued Warrant Per Unit (in shares)		1
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)		1
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)		30,000,000
Subsequent Event [Member] | Series 1 Unit [Member]
Units Issued During Period (in shares)		20,896,666
Units Issued Price Per Unit (in dollars per share)		$ 0.60
Units Issued Common Share Per Unit (in shares)		1
Units Issued Warrant Per Unit (in shares)		1
Subsequent Event [Member] | Series 2 Unit [Member]
Units Issued During Period (in shares)		9,103,334
Units Issued Price Per Unit (in dollars per share)		$ 0.59
Subsequent Event [Member] | Coupon Make Whole Payments [Member] | Convertible 2020 Notes [Member]
Debt Conversion, Original Debt, Amount	$ 0.3