Condensed Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income	Accumulated Deficit	Redeemable Convertible Preferred Stock
Beginning Balance, Shares at Dec. 31, 2020						169,396,576
Beginning Balance at Dec. 31, 2020						$ 205,979
Beginning Balance, Shares at Dec. 31, 2020		3,096,903
Beginning Balance at Dec. 31, 2020	$ (101,048)	$ 3	$ 10,288		$ (111,339)
Initial public offering, net of issuance costs	131,302	$ 9	131,293
Initial public offering, net of issuance costs, Shares		8,984,375
Conversion of convertible preferred stock into common stock						$ (205,979)
Conversion of convertible preferred stock into common stock, Shares						(169,396,576)
Conversion of convertible preferred stock into common stock	205,979	$ 24	205,955
Conversion of convertible preferred stock into common stock, Shares		23,678,568
Stock-based compensation	885		885
Exercise of stock options	242		242
Exercise of stock options, Shares		91,395
Net loss	(9,716)				(9,716)
Ending Balance, Shares at Mar. 31, 2021
Ending Balance at Mar. 31, 2021
Ending Balance, Shares at Mar. 31, 2021		35,851,241
Ending Balance at Mar. 31, 2021	227,644	$ 36	348,663		(121,055)
Beginning Balance, Shares at Dec. 31, 2021		35,975,034
Beginning Balance at Dec. 31, 2021	207,877	$ 36	353,295		(145,454)
Stock-based compensation	1,900		1,900
Exercise of stock options	$ 495		495
Exercise of stock options, Shares	134,500	134,500
Other comprehensive income	$ (478)			$ (478)
Net loss	(16,839)				(16,839)
Ending Balance, Shares at Mar. 31, 2022		36,109,534
Ending Balance at Mar. 31, 2022	$ 192,955	$ 36	$ 355,690	$ (478)	$ (162,293)