Convertible preferred stock and members's/stockholders' equity (deficit) (Tables)

12 Months Ended

Dec. 31, 2021

Equity [Abstract]

Schedule of Common Stock Warrants

As of December 31, 2021 the remaining common stock warrants below are exercisable and expire as follows:

Outstanding and exercisable	Exercise price per share		Expiration date
151,088	$	132.37	March 12, 2022

Schedule of Stock-Based Compensation Expense

Stock-based compensation expense recognized for all equity awards under the 2020 Plan has been reported in the consolidated statements of operations and comprehensive loss as follows (in thousands):

	Year ended December 31, 2021		Year ended December 31, 2020
Research and development	$	4,688	$	740
General and administrative		20,429		2,282
Total	$	25,117	$	3,022

Summary of Restricted Stock Units

The following table summarizes RSU activity under the 2020 Plan for the years ended December 31, 2021 and 2020:

	Number of Shares		Weighted - average grant date fair value
Outstanding at December 31, 2019		—	$	—
Granted		1,920,037	$	18.00
Vested		—	$	—
Outstanding at December 31, 2020		1,920,037	$	18.00
Granted		—	$	—
Vested		944,991	$	18.00
Outstanding at December 31, 2021		975,046	$	18.00

Summary of Stock Option Activity

The following table summarizes stock option activity under the 2020 Plan for the year ended December 31, 2021 and 2020 (in thousands, except share and per option data and years):

	Number of options			Weighted - average exercise price per option		Weighted - average remaining contractual term (in years)		Aggregate intrinsic value
Balance at December 31, 2019		—		$	—		—	$	—
Granted		615,106		$	18.00
Balance at December 31, 2020		615,106		$	18.00	9.95		$	9,848
Granted		479,543		$	37.86
Exercised		(7,747	)	$	18.00		—	$	182,829
Balance at December 31, 2021		1,086,902		$	26.76		9.22	$	991,495
Vested and expected to vest at December 31, 2021		1,086,902		$	26.76		9.22	$	991,495
Exercisable at December 31, 2021		155,579		$	18.31		8.97	$	247,486

Summary of Assumptions Used in Black-Scholes Model

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

	Year ended December 31, 2021			Year ended December 31, 2020
Expected volatility		74.7	%		74.5	%
Risk-free interest rate		1.06	%		0.52	%
Expected dividend yield		0.0	%		0.0	%
Expected term	5.98 years			6.09 years

Schedule of Common Stock Reserved for Future Issuance

Common stock reserved for future issuance are as follows in common equivalent shares:

	December 31, 2021		December 31, 2020
Warrants for the purchase of common stock		151,088		717,674
Common stock options and restricted stock units issued and outstanding		2,061,948		2,535,143
Awards available for future issuance under the 2020 Plan		3,211,854		2,404,535
Awards available for future issuance under the ESPP		822,811		464,829
Total common stock reserved for future issuance		6,247,701		6,122,181