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Summary of Significant Accounting Policies | 3 Months Ended
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Mar. 31, 2023
Accounting Policies [Abstract] |
Summary of Significant Accounting Policies | Note 2 – Summary of Significant Accounting Policies Basis of Presentation 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, 2022. 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, 2022 was derived from the audited financial statements. Liquidity and Capital Resources As of March 31, 2023, we maintained cash and cash equivalents of $25.3 million and we have $30.0 million in outstanding aggregate principal amount on our Perceptive Term Loan Facility (see Note 6 – Debt). 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 includes 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 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 Perceptive Term Loan Facility (see Note 6 – Debt) or to obtain waivers or amendments that impact the related covenants. The Company was in compliance with all restrictive covenants associated with its borrowing and entered into a limited waiver on April 7, 2023, under which the Lender agreed to waive the minimum revenue requirement for the three months ended March 31, 2023 (Limited Waiver). 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 agreement during the next twelve months, which could result in an Event of Default (as defined in the Perceptive Term Loan Facility), causing an acceleration and repayment of the outstanding balances. We have taken steps to improve our liquidity through raising debt and equity capital and amended the agreement with Integrated Diagnostics (Indi) during 2022 to delay near term cash requirements and extend the period of milestone payments. We have also undertaken several proactive measures including, among other things, 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. The Perceptive Term Loan Facility requires the Company to recognize revenue in amounts agreed to between the Company and Perceptive as of the last day of each fiscal quarter commencing on the fiscal quarter ending March 31, 2023, subject to the Limited Waiver described above. 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 raise additional capital through debt financing, we may be subject to covenants limiting or restricting our ability to take specific actions, such as incurring additional debt, making capital expenditures or declaring dividends. 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. 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. Concentrations of Credit Risk and Other Uncertainties Substantially all of the Company’s cash and cash equivalents are deposited with one major financial institution 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, the Company 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 March 31, 2023 and December 31, 2022, see Note 9 – Revenue and Accounts Receivable Credit Concentration. Restricted Cash Restricted cash consists of deposits related to the Company’s corporate credit card. As of March 31, 2023 and December 31, 2022, the Company had $0.1 million r estricted cash, respectively, which was included in ‘Other current assets’ in the accompanying condensed balance sheets. 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 condensed balance sheets a nd was $1.3 million and $1.4 million as of March 31, 2023 and December 31, 2022, respectively. The Company recorded a reserve for excess inventory of $0.1 million, primarily associated with the wind down of the COVID-19 testing operation, as of March 31, 2023 and December 31, 2022, respectively. During the three months ended March 31, 2023 and 2022, the Company recorded an insignificant amount and $0.4 million, respectively, to the condensed statement of operations for excess and obsolete inventory. Leases The Company acts as a lessee under all its lease agreements and holds various real estate leases for its headquarters and laboratory facilities in Boulder, Colorado and De Soto, Kansas and other various copier and storage facility leases. The Company elected the following practical expedients as part of the adoption of ASC 842, Leases: • Package of practical expedients which allows the Company to carry forward the historical lease classification; • Hindsight practical expedient which allows the Company to use hindsight in determining the lease term, in assessing purchase options, and in assessing impairment of right-of-use (ROU) assets; • 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 standard are contained in Note 7 — Leases. Other Assets As of March 31, 2023 and December 31, 2022, the Company has a $5.0 million cash refundable deposit to secure the performance of the Company’s obligations associated with the operating lease agreement with Centennial Valley Properties I, LLC (see Note 7 – Leases). The $5.0 million refundable deposit is reported within 'Other long-term assets' in the condensed balance sheets. 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.

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