Consolidated Statements of Redeemable Common Stock, Stock Options, Convertible Preferred Stock and Stockholders' Equity (Deficit) - USD ($) $ in Thousands	Total		Redeemable Common Stock	Notes Receivable for Redeemable Common Stock Issued	Redeemable stock options	Convertible Preferred Stock [Member]	Common Stock	Additional Paid-in Capital	Notes Receivable for Common Stock Issued	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Temporary Equity, Beginning Balance, Amount at Dec. 31, 2019			$ 56,422	$ 855	$ 59,631	$ 327,581
Temporary Equity, Beginning Balance, Shares at Dec. 31, 2019			3,563,884			14,374,455
Stockholders' Equity, Beginning Balance, Amount at Dec. 31, 2019	$ (419,809)									$ 46	$ (419,855)
Stockholders' Equity, Beginning Balance, Shares at Dec. 31, 2019							1
Exercise of stock options			$ 6,075		(5,083)
Exercise of stock options, shares			249,566
Exercise of warrants						$ 47
Exercise of warrants, shares						1,817
Stock-based compensation expense	$ 4,185							4,185
Conversion of preferred stock to common stock upon initial public offering, shares	(14,851,007)
Change in notes receivable for common stock issued				52
Accretion to redemption value of redeemable stock options	$ 1,461				(1,463)						1,461
Accretion to redemption value of redeemable stock	(43,954)		$ 18,283			$ 25,672		(4,185)			(39,769)
Fair Value of unexercised warrants	(49)									(49)
Net income loss	27,575										27,575
Temporary Equity, Ending Balance, Amount at Dec. 31, 2020	353,300	[1]	$ 80,780	803	53,085	$ 353,300
Temporary Equity, Ending Balance, Shares at Dec. 31, 2020			3,813,450			14,376,272
Stockholders' Equity, Ending Balance, Amount at Dec. 31, 2020	(430,591)									(3)	(430,588)
Stockholders' Equity, Ending Balance, Shares at Dec. 31, 2020							3,813,450
Stockholders' Equity, Ending Balance, Shares at Dec. 31, 2020 at Dec. 31, 2020							1
Exercise of stock options	347		$ 6,922		(5,715)			347
Exercise of stock options, shares			280,545				83,958
Stock-based compensation expense	7,575							7,575
Proceeds from notes receivable	(136)								(136)
Exercise of preferred stock warrants, net of shares withheld for exercise price	(2,011)					$ 3,912		(2,011)
Exercise of preferred stock warrants, net of shares withheld for exercise price, Shares						100,261
Conversion of preferred stock to common stock upon initial public offering	$ (357,202)					$ 357,212	$ (15)	(357,187)
Conversion of preferred stock to common stock upon initial public offering, shares	(4,093,995)					14,476,533	(14,951,254)
Surrender of common stock in exchange for cancellation of note receivable, Shares							11,011
Surrender of common stock in exchange for cancellation of note receivable								(229)	229
Reclassification of 4,093,995 shares of redeemable common stock to 4,093,995 shares of common stock	$ 86,885		$ (87,702)	817			$ 4	87,698	(817)
Reclassification of 4,093,995 shares of redeemable common stock to 4,093,995 shares of common stock, shares			4,093,995				(4,093,995)
Reclassification of redeemable common stock options to common stock options	47,370				$ (47,370)			47,370
Change in notes receivable for common stock issued	452			$ (14)					452
Issuance of common stock in connection with initial public offering, net of issuance costs of $12.4 million	119,582						$ 8	119,574
Issuance of common stock in connection with initial public offering, net of issuance costs of $12.4 million, shares							8,248,549
Fair Value of unexercised warrants	(7)									(7)
Foreign currency translation adjustment	(10)									(10)
Net income loss	(48,688)										(48,688)
Temporary Equity, Ending Balance, Shares at Dec. 31, 2021						0
Stockholders' Equity, Ending Balance, Amount at Dec. 31, 2021	$ 138,242						$ 27	$ 617,511		$ (20)	$ (479,276)
Stockholders' Equity, Ending Balance, Shares at Dec. 31, 2021	27,366,746						27,366,746

[1] The carrying value reflects the gross proceeds received from the sale of the preferred stock less issuance costs and the fair value at issuance of preferred stock warrants classified as a liability, plus accretion of redemption value.