Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2022

Accounting Policies [Abstract]

Summary of Fair Value Measurement Inputs and Valuation Techniques

The assumptions used in the Black-Scholes option pricing model to determine the fair value of the preferred stock warrant liability were as follows:

	February 24, 2021 (date of Merger close)
Expected volatility	90.2%
Risk-free interest rate	1.38%
Expected dividend yield	0%
Expected term	9.3 years
Fair value per share of preferred stock	$	17.15

Summary of reconciliation of warrant liability measured at fair value

The following table provides a reconciliation of the preferred stock warrant liability measured at fair value using Level 3 significant unobservable inputs (in thousands):

	Preferred Stock Warrant Liability
Balance at December 31, 2020	$	106
Change in fair value of preferred stock warrant liability		290
Reclassification to equity		(396	)
Balance at December 31, 2021	$	—

Summary of antidilutive securities excluded from the calculation of weighted average dilutive common shares

The following securities are excluded from the calculation of weighted average dilutive common shares because their inclusion would have been anti-dilutive:

	March 31,
	2022		2021
Shares issuable upon conversion of preferred stock		292,799		292,799
Common stock options and RSUs outstanding		6,277,172		4,266,928
Warrants to purchase common stock		23,100		23,100
Total excluded securities		6,593,071		4,582,827