Statements of Convertible Preferred Stock and Stockholders' Equity (Deficit) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Convertible Preferred Stock
Temporary Equity, Beginning Balance at Dec. 31, 2019						$ 59,815
Temporary Equity, Beginning Balance, Shares at Dec. 31, 2019						27,283,973
Beginning Balance at Dec. 31, 2019	$ (25,482)	$ 1	$ 1,179	$ (26,660)	$ (2)
Beginning Balance, Shares at Dec. 31, 2019		1,600,601
Temporary equity, Issuance of Series B convertible preferred stock, net of issuance costs						$ 64,321
Temporary equity, Issuance of Series B convertible preferred stock, net of issuance costs, Shares						27,066,206
Reclassification of preferred stock purchase right liability to equity upon issuance of convertible preferred stock						$ 41,641
Temporary equity, conversion of convertible preferred stock to common stock						$ (165,777)
Temporary equity, conversion of convertible preferred stock to common stock, Shares						(54,350,179)
Conversion of convertible preferred stock to common stock	165,777	$ 1	165,776
Conversion of convertible preferred stock to common stock, Shares		14,689,215
Issuance of common stock upon initial public offering, net of issuance costs	265,096	$ 1	265,095
Issuance of common stock upon initial public offering, net of issuance costs, Shares		16,100,000
Vesting of shares of common stock subject to repurchase	50		50
Vesting of shares of common stock subject to repurchase, Shares		85,304
Issuance of common stock upon exercise of stock option	387		387
Issuance of common stock upon exercise of stock option , Shares		152,843
Share-based compensation expense	6,748		6,748
Unrealized gain (loss) on short-term investments	5				5
Net loss	(91,361)			(91,361)
Temporary Equity, Ending Balance, Shares at Dec. 31, 2020						0
Ending Balance at Dec. 31, 2020	321,220	$ 3	439,235	(118,021)	3
Ending Balance, Shares at Dec. 31, 2020		32,627,963
Vesting of shares of common stock subject to repurchase	35		35
Vesting of shares of common stock subject to repurchase, Shares		62,045
Issuance of common stock upon exercise of stock option	1,479		1,479
Issuance of common stock upon exercise of stock option , Shares		281,099
Share-based compensation expense	14,461		14,461
Unrealized gain (loss) on short-term investments	(153)				(153)
Net loss	(86,075)			(86,075)
Temporary Equity, Ending Balance, Shares at Dec. 31, 2021						0
Ending Balance at Dec. 31, 2021	$ 250,967	$ 3	$ 455,210	$ (204,096)	$ (150)
Ending Balance, Shares at Dec. 31, 2021		32,971,107