FAIR VALUE MEASUREMENTS

12 Months Ended

Dec. 31, 2021

We record cash and cash equivalents, accounts receivable, accounts payable, and accrued expenses at cost. The carrying values of these instruments approximate their fair value due to their short‐term maturities. Refer to Note 2, Significant Accounting Policies, for additional detail regarding our fair value measurement methodology.

The following table presents information about our financial assets and liabilities measured at fair value on a recurring basis as of December 31, 2020 and indicates the level in the fair value hierarchy in which we classify the fair value measurement. As of December 31, 2021, we had no financial assets and liabilities measured at fair value.


	December 31, 2020
(in thousands)	Level 1		Level 2		Level 3		Total
Liabilities
Warrant liability	$	—	$	—	$	5,845	$	5,845
	$	—	$	—	$	5,845	$	5,845

Warrant Liability - the fair value of our preferred stock warrant liability was based on significant unobservable inputs, which represent Level 3 measurements within the fair value hierarchy. In determining the fair value of the convertible preferred stock warrant liability, we used the probability weighted average values from (i) a Black-Scholes calculation and (ii) an option pricing model. We measure and report our preferred stock warrant liability at the estimated fair value on a recurring basis. As discussed further in Note 11, Warrants, the preferred stock warrant liability was estimated using assumptions related to the remaining contractual term of the warrants, the risk-free interest rate and volatility of comparable public companies over the remaining term, and the fair value of underlying shares. The significant unobservable inputs used in the fair value measurement of the preferred stock warrant liability were the fair value of the underlying stock at the valuation date and the estimated term of the warrants. The value from the Black-Scholes calculation reflects the value in an initial public offering scenario with the contractual term of the warrants, which was weighted by management’s estimated probability of a potential initial public offering at the applicable valuation date. The value from the option pricing model reflects the value in an alternative exit scenario at which point the warrants were expected to be exercised. Generally, increases or decreases in the fair value of the underlying stock and estimated term would result in a directionally similar impact to the fair value measurement.

In November 2021, immediately prior to the completion of the IPO and pursuant to the terms of the convertible preferred stock warrants, there was an automatic exchange of the outstanding convertible preferred stock warrants for shares of Class B common stock on an one-to-one basis. As a result, the final remeasurement date of the preferred stock warrant liability was on November 3, 2021, and the preferred stock warrant liability was reclassified to additional paid-in capital.

The following table presents a summary of the changes in fair value of our Level 3 liabilities for the years ended December 31, 2021, 2020, and 2019:


(in thousands)	Warrants
Balance at December 31, 2019	$	6,594
Decrease in fair value included in other expense	(749)
Balance at December 31, 2020	$	5,845
Increase in fair value included in other expense as of the November 3, 2021 valuation date	10,624
Settlement of liability upon IPO and reclassification to additional paid-in capital	(16,469)
Balance at December 31, 2021	$	—

- 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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