CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY (DEFICIT) - USD ($) $ in Thousands	Total	Series A Redeemable Convertible Preferred Stock	Series B Redeemable Convertible Preferred Stock	Series C Redeemable Convertible Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive (Loss) Income	Accumulated Deficit
Beginning balance at Dec. 31, 2019	$ (192,833)					$ 2	$ 43	$ (192,878)
Temporary equity, Beginning balance, shares at Dec. 31, 2019		33,200,000	20,520,828	20,204,079
Temporary equity, Beginning balance at Dec. 31, 2019		$ 44,169	$ 81,108	$ 89,507
Beginning balance, shares at Dec. 31, 2019					2,997,040
Issuance of Series B redeemable convertible preferred stock in conjunction with sponsored research agreement, shares			62,500
Exercise of options to purchase common stock	232					232
Exercise of options to purchase common stock, shares					47,592
Issuance of common stock in connection with license agreement	2,660					2,660
Issuance of common stock in connection with license agreement, shares					177,318
Accretion of redeemable convertible preferred stock to redemption value	(10,784)					(7,237)		(3,547)
Temporary equity, Accretion of preferred stock to redemption value		$ 2,097	$ 3,853	$ 4,834
Stock-based compensation	7,080					7,080
Unrealized loss on investments	(43)						$ (43)
Temporary Equity, Conversion of redeemable convertible preferred stock into common stock upon initial public offering, shares		(33,200,000)	(20,583,328)	(20,204,079)
Temporary Equity, Conversion of redeemable convertible preferred stock into common stock upon initial public offering		$ (46,266)	$ (84,961)	$ (94,341)
Conversion of redeemable convertible preferred stock into common stock upon initial public offering	225,568				$ 1	225,567
Conversion of redeemable convertible preferred stock into common stock upon initial public offering, shares					10,065,629
Issuance of common stock upon initial public offering/public offering, net of issuance costs	74,352				$ 1	74,351
Issuance of common stock upon initial public offering/public offering, net of issuance costs, shares					5,500,000
Net loss	(91,665)							(91,665)
Ending balance at Dec. 31, 2020	$ 14,567				$ 2	302,655		(288,090)
Temporary equity, Ending balance, shares at Dec. 31, 2020	0
Ending balance, shares at Dec. 31, 2020					18,787,579
Exercise of options to purchase common stock	$ 3,737					3,737
Exercise of options to purchase common stock, shares	433,751				433,751
Stock-based compensation	$ 10,677					10,677
Issuance of common stock upon initial public offering/public offering, net of issuance costs	61,681					61,681
Issuance of common stock upon initial public offering/public offering, net of issuance costs, shares					3,162,500
Net loss	(37,157)							(37,157)
Ending balance at Dec. 31, 2021	$ 53,505				$ 2	$ 378,750		$ (325,247)
Temporary equity, Ending balance, shares at Dec. 31, 2021	0
Ending balance, shares at Dec. 31, 2021					22,383,830