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Summary of Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2022

The accompanying Unaudited Condensed Financial Statements have been prepared in accordance with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X for interim financial information and reflect all adjustments necessary to state fairly the Company’s financial position, results of operations and cash flows for the interim periods presented. All such adjustments are of a normal recurring nature. Results for interim periods are not indicative of the results for the entire fiscal year. The accompanying Unaudited Condensed Financial Statements should be read in conjunction with the audited Financial Statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2021. Certain information and footnote disclosures, including significant accounting policies, normally included in fiscal year financial statements prepared in accordance with accounting principles generally accepted in the U.S. (GAAP) have been condensed or omitted. The Condensed Balance Sheet as of December 31, 2021 was derived from the audited financial statements.

As of September 30, 2022, we maintained cash and cash equivalents of $15.2 million and we have $21.4 million in outstanding aggregate principal amount on our 2021 Term Loan and Promissory Note One. We have incurred significant losses since inception and, as a result, we have funded our operations to date primarily through the sale of common stock, the sale of convertible preferred stock, the issuance of notes payable, and from our two primary revenue sources: (i) diagnostic testing, which include lung diagnostic testing and COVID-19 testing, and (ii) providing biopharmaceutical companies with development and testing services. In accordance with Accounting Standards Update 2014-15 (ASC Topic 205-40), Presentation of Financial Statements - Going Concern: Disclosure of Uncertainties about an Entity’s Ability to Continue as a Going Concern, the Company is required to evaluate whether there is substantial doubt about its ability to continue as a going concern each reporting period, including interim periods. In evaluating the Company’s ability to continue as a going concern, management projected its cash flow sources, including the debt and equity funding and amendments to the 2021 Term Loan and Integrated Diagnostics, Inc. (Indi) Agreement, and evaluated the conditions and events that could raise substantial doubt about the Company’s ability to continue as a going concern within one year after the date that these financial statements were issued. Management considered the Company’s current projections of future cash flows, current financial condition, sources of liquidity and debt obligations for at least one year from the date of issuance of this Form 10-Q in considering whether it has the ability to meet its obligations.

Our ability to meet our obligations as they come due may be impacted by our ability to remain compliant with financial covenants in our loan agreements (see Note 6 – Debt) or to obtain waivers or amendments that impact the related covenants. Due to the continued uncertainty caused by the COVID-19 pandemic, significant risks remain with respect to our ability to meet these thresholds and any material adverse effect on our revenues, income and expenses could impact our ability to maintain compliance with these covenants.

Based on our current operating plan, unless we continue to raise additional capital (debt or equity) or obtain a waiver from complying with such financial covenants, we expect that we will be unable to maintain our financial covenants under our existing loan agreements during the next twelve months, which could result in an Event of Default, as defined, causing an acceleration and repayment of the outstanding balances. We have taken steps to improve our liquidity through raising debt and equity capital during 2022, amendments to our 2021 Term Loan, and have also undertaken several proactive measures to mitigate the financial and operational impacts of the COVID-19 pandemic through the reduction of planned capital expenditures and certain operating expenses but we do not expect that these actions alone will be sufficient to maintain our financial covenants. During the three months ended June 30, 2022, we entered into a $25.0 million debt facility with funding for up to $25.0 million in two tranches. On May 9, 2022, we closed on the first tranche for gross proceeds of $15.0 million (approximately $12.8 million, net, after deducting debt issuance costs and original issue discounts (OID)). We also amended the Indi Agreement to delay near term cash requirements and extend the period of milestone payments. To maintain an adequate amount of available liquidity and execute our current operating plan, we will need to continue to raise additional funds from external sources, such as through the issuance of equity or debt securities; however, we have not secured such funding at the time of this filing and any such financing activities are subject to market conditions. If we do raise additional capital through public or private equity offerings, the ownership interest of our existing stockholders will be diluted, and the terms of these securities may include liquidation or other preferences that adversely affect our existing stockholders’ rights. There can be no assurance that additional capital will be available to us or, if available, will be available in sufficient amounts or on terms acceptable to us or on a timely basis. If adequate capital resources are not available on a timely basis, we intend to consider limiting our operations substantially. This limitation of operations could include a hiring freeze, reductions in our workforce, reduction in cash compensation, deferring capital expenditures, and reducing other operating costs.

The Company’s revenues, results of operations and cash flows have been materially adversely impacted by the items noted above. We expect to continue to incur operating losses in the near term while we make investments to support our anticipated growth. Our current operating plan, which is in part determined based on our most recent historical actual results and trends, along with the items noted above, raises substantial doubt about the Company’s ability to continue as a going concern for a period beyond one year after these financial statements are issued. Our unaudited financial statements have been prepared assuming we will continue as a going concern and do not include any adjustments that might be necessary should we be unable to continue as a going concern.

Use of Estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the balance sheet date and the reported amounts of revenue and expenses during the reporting periods. Actual results could differ from those estimates.

Concentration of Credit Risk and Other Uncertainties

Substantially all of the Company’s cash and cash equivalents are deposited with two major financial institutions in the United States. The Company continually monitors its positions with, and the credit quality of, the financial institution with which it holds cash. Periodically throughout the year, the Company has maintained balances in various operating accounts in excess of federally insured limits. The Company has not experienced any losses on its deposits of cash and cash equivalents.

Several of the components for certain of the Company's sample collection kits, test reagents, and test systems are obtained from single-source suppliers. If these single-source suppliers fail to satisfy the Company's requirements on a timely basis, it could suffer delays in being able to deliver its diagnostic solutions, a possible loss of revenue, or incur higher costs, any of which could adversely affect its operating results.

For a discussion of credit risk concentration of accounts receivable as of September 30, 2022 and December 31, 2021, see Note 9 – Revenue and Accounts Receivable Credit Concentration.

Inventory

Inventory consists primarily of material supplies, which are consumed in the performance of testing services and charged to ‘Direct costs and expenses’. Inventory is stated at cost and reported within ‘Other current assets’ in the balance sheet and was $1.4 million and $2.9 million as of September 30, 2022 and December 31, 2021, respectively. The Company recorded a reserve for excess inventory of $0.3 million and zero, primarily associated with the wind down of the COVID-19 testing operation, as of September 30, 2022 and December 31, 2021, respectively.

Fair Value of Financial Instruments

U.S. GAAP for fair value establishes a hierarchy that prioritizes fair value measurements based on the types of inputs used for the various valuation techniques (market approach, income approach, and cost approach). We utilize a combination of market and income approaches to value our financial instruments. Our financial assets and liabilities are measured using inputs from the three levels of the fair value hierarchy. Fair value measurements are categorized within the fair value hierarchy based upon the lowest level of the most significant inputs used to determine fair value.

The three levels of the hierarchy and the related inputs are as follows:


Level		Inputs
1		Unadjusted quoted prices in active markets for identical assets and liabilities.
2		Unadjusted quoted prices in active markets for similar assets and liabilities;
		Unadjusted quoted prices for identical or similar assets or liabilities in markets that are not active; or
		Inputs other than quoted prices that are observable for the asset or liability.
3		Unobservable inputs for the asset or liability.

The carrying amounts of certain financial instruments including cash and cash equivalents, accounts receivable, prepaid expenses and other current assets, other long-term assets, accounts payable and accrued liabilities approximate fair value due to their relatively short maturities.

See Note 4 — Fair Value for further discussion related to estimated fair value measurements.

Other Assets

During the three months ended September 30, 2022, the $5.0 million cash collateralized letter of credit under the operating lease agreement with Centennial Valley Properties I, LLC (see Note 7 – Leases) was released and the funds were subsequently transferred to the landlord (lessor) as a refundable deposit to secure the performance of the Company’s obligations. The $5.0 million refundable deposit

is now reported within 'Other long-term assets' in the balance sheet as of September 30, 2022. In addition, $0.1 million of restricted cash deposits related to the Company’s corporate credit cards are reported within ‘Other current assets’ in the balance sheets as of September 30, 2022 and December 31, 2021, respectively.

Recently Adopted Accounting Standards

Recently adopted accounting standards

In February 2016, the FASB issued Account Standard Update (ASU) No. 2016-2, Leases (ASC 842). This ASU intends to make accounting for leasing activities more transparent and comparable, and requires substantially all leases be recognized by lessees on their balance sheet as a right-of-use asset and corresponding lease liability, including leases accounted for as operating leases. In addition to other related amendments, the FASB issued ASU No. 2018-11, Leases (Topic 842): Targeted Improvements, which offers an additional transition method whereby entities may apply the new leases standard at the adoption date and recognize a cumulative-effect adjustment to the opening balance of retained earnings rather than application of the new leases standard at the beginning of the earliest period presented in the financial statements. The Company elected this transition method and adopted ASC 842 on January 1, 2022 and as a result, recorded operating lease right-of-use (ROU) assets of $1.3 million, including offsetting deferred rent of $0.1 million, along with the associated operating lease liabilities of $1.3 million. On January 1, 2022, the Company did not have any finance leases. The adoption of ASC 842 did not result in a cumulative effect adjustment to beginning retained earnings, and did not materially affect the Company's statement of operations, statement of stockholders' equity or statement of cash flows for the nine months ended September 30, 2022.

In addition, the Company elected the following practical expedients permitted under the transition guidance within the new standard:

•

Package of practical expedients which allows the Company to carry forward the historical lease classification;

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Hindsight practical expedient which allows the Company to use hindsight in determining the lease term, in assessing purchase options, and in assessing impairment of ROU assets;

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Short-term lease practical expedient which allows the Company to capitalize only those leases with an initial term of twelve months or more, and;

•

The practical expedient to account for lease and non-lease components (such as common area maintenance, utilities, insurance and taxes) as a single lease component for all classes of underlying assets.

Management determines if an arrangement is a lease at inception or upon modification of a contract. Leases are classified as either financing or operating, with classification affecting the pattern of expense recognition in the statements of operations. When determining whether a lease is a finance lease or an operating lease, ASC 842 does not specifically define criteria to determine the “major part of remaining economic life of the underlying asset” and “substantially all of the fair value of the underlying asset.” For lease classification determination, Management continues to use (i) 75% or greater to determine whether the lease term is a major part of the remaining economic life of the underlying asset and (ii) 90% or greater to determine whether the present value of the sum of lease payments is substantially all of the fair value of the underlying asset.

ROU assets represent the Company's right to use an underlying asset for the lease term. Lease liabilities represent the Company's obligation to make lease payments under the lease. Operating lease ROU assets and liabilities are recognized at the lease commencement date based on the present value of lease payments over the lease term. In determining the present value of lease payments, the Company uses either the rate implicit in the lease or its incremental borrowing rate, as applicable, based on the information available at lease commencement date. The Company applies the estimated incremental borrowing rates on a lease-by-lease level based on the economic environment associated with the lease. The operating lease ROU asset also includes any lease prepayments, net of lease incentives. Certain of the Company's leases include options to extend or terminate the lease. As leases approach maturity, the Company considers various factors such as market conditions and the terms of any renewal and termination options that may exist to determine whether we will renew or terminate the lease, as such, we generally do not include renewal or termination options in our lease terms for calculating our lease liability, as the options allow us to maintain operational flexibility and we are not reasonably certain we will exercise these options at the time of the lease commencement. The Company's lease agreements do not contain any material residual value guarantees or restrictive covenants. Lease expense for lease payments of operating leases is recognized on a straight-line basis over the term of the lease. The Company uses the long-lived assets impairment guidance to determine recognition and measurement of an ROU asset impairment, if any. The Company monitors for events or changes in circumstances that require a reassessment.

Additional information and disclosures required by this new standard are contained in Note 7 — Leases.

Standards Being Evaluated

In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments-Credit Losses: Measurement of Credit Losses on Financial Instruments (ASC Topic 326). This ASU requires measurement and recognition of expected credit losses for financial assets. This

guidance will become effective for the Company beginning January 1, 2023 with early adoption permitted. The Company is currently evaluating this guidance and assessing the overall impact on its financial statements.