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Fair Value of Financial Assets and Liabilities

6 Months Ended

Jun. 30, 2021

Fair value of financial assets and liabilities

3. Fair value of financial assets and liabilities

The following tables present information about the Company’s financial assets and liabilities measured at fair value on a recurring basis and indicate the level of the fair value hierarchy utilized to determine such fair values:

	FAIR VALUE MEASUREMENTS AS OF JUNE 30, 2021 USING:
	LEVEL 1		LEVEL 2		LEVEL 3		TOTAL
Liabilities:
Long-term debt	$	—	$	—	$	521	$	521
Warrant liability		—		—		19,200		19,200
Total	$	—	$	—	$	19,721	$	19,721

	FAIR VALUE MEASUREMENTS AS OF DECEMBER 31, 2020 USING:
	LEVEL 1		LEVEL 2		LEVEL 3		TOTAL
Liabilities:
Long-term debt	$	—	$	—	$	483	$	483
Warrant liability		—		—		6,831		6,831
Total	$	—	$	—	$	7,314	$	7,314

Valuation of long-term debt

The Company’s valuation technique used to measure the fair value of the long-term debt assumed from the Periphagen transaction was a present value calculation based upon a credit rating estimated for the Company at the time the debt was assumed. The determined credit rating used by the Company was CCC based upon the financial position and stage of the Company. The estimated rate was 15.83% for an unsecured note due in November 2027 for a CCC rated company. The fair value of the long-term debt based on this approach plus the accrued interest represents a Level 3 measurement within the fair value hierarchy.

Valuation of warrant liability

In connection with the Series B Convertible Preferred Stock issuance, the Company issued warrants to purchase shares of common stock of which certain warrants are shown as a liability on the balance sheet, see Note 8. The fair value of the warrant liability was determined based on significant inputs not observable in the market, which represents a Level 3 measurement within the fair value hierarchy. The fair value of the warrant liability uses various valuation methods, including the Monte Carlo method, the option-pricing method, probability-weighted expected return and the hybrid method, all of which incorporate assumptions and estimates, to value the common stock warrants. The hybrid method is often used when a company is expecting a liquidity event in the near future and is a combination of the option-pricing and probability-weighted expected return methods. Estimates and assumptions impacting the fair value measurement include the fair value per share of the underlying shares of common stock, risk-free interest rate, expected dividend yield, expected volatility of the price of the underlying preferred stock, and the remaining contractual term of the warrants. The most significant assumption in the model impacting the fair value of the common stock warrants is the fair value of the Company’s common stock as of each remeasurement date. The Company determines the fair value per share of the underlying common stock by taking into consideration the most recent sales of preferred stock, results obtained from third-party valuations and additional factors that are deemed relevant.

The following table provides a roll forward of the aggregate fair values of the Company’s liabilities, for which fair value is determined by Level 3 inputs:

	SERIES B WARRANT LIABILITY		PROMISSORY NOTE
Balance at December 31, 2020	$	6,831	$	483
Change in fair value		12,369		38
Balance at June 30, 2021	$	19,200	$	521

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

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