CONSOLIDATED STATEMENTS OF REDEEMABLE SERIES A-1 PREFERRED STOCK, CONVERTIBLE AND REDEEMABLE SERIES A-2 PREFERRED STOCK AND STOCKHOLDERS EQUITY (DEFICIT) - USD ($) $ in Thousands	Total	Redeemable Series A-1 Preferred Stock	Convertible And Redeemable Series A-2 Preferred Stock	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Notes Receivable from Stockholders	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2018		$ 109,206
Beginning balance, shares at Dec. 31, 2018		12,000
Beginning balance at Dec. 31, 2018	$ 6,900				$ 47,869	$ (40,847)	$ (122)
Beginning balance, shares at Dec. 31, 2018				8,137,771
Net loss	(23,557)					(23,557)
Accretion of the redeemable series A-1 preferred stock to redeemable value	(19,616)				(19,616)
Accretion of the redeemable series A-1 preferred stock to redeemable value		$ 19,616
Stock-based compensation	4,345				4,345
Common stock issued	$ 5,555				5,555
Common stock issued, shares	42,415			232,336
Collection of notes receivable from stockholders	$ 122						$ 122
Accumulated other comprehensive income (loss)	(40)							$ (40)
Ending balance at Dec. 31, 2019		$ 128,822
Ending balance, shares at Dec. 31, 2019		12,000
Ending balance at Dec. 31, 2019	(26,291)				38,153	(64,404)		(40)
Ending balance, shares at Dec. 31, 2019				8,370,107
Net loss	(57,949)					(57,949)
Accretion of the redeemable series A-1 preferred stock to redeemable value	(17,601)				(17,601)
Accretion of the redeemable series A-1 preferred stock to redeemable value		$ 17,601
Series A-1 preferred stock deemed dividend		$ 24,341
Series A-1 preferred stock deemed dividend	$ (24,341)				(24,341)
Redemption of the series A-1, shares	(1,786,739)			1,786,739
Temporary equity redemption of the series A-1, shares		(12,000)
Redemption of the series A-1 preferred stock	$ 26,801				26,801
Temporary equity redemption of the series A-1		$ (170,764)
Issuance of the convertible andredeemable series A-2 preferred stock			$ 152,928
Issuance of the convertible and redeemable series A-2 preferred stock, Shares			17,500
Dividend payment to the series A-2 preferred shareholders	(6,970)		$ (7,000)		(6,970)
Exercise of the series A-1 and A-2 preferred stock warrant	56,312				56,312
Exercise of the series A-1 and A-2 preferred stock warrant, shares				2,534,239
Stock-based compensation	4,849				4,849
Common stock issued	25,383				25,383
Common stock issued, shares				859,227
Issuance of common stock in connection with initial public offering	$ 156,841				156,841
Issuance of common stock in connection with initial public offering, net of issuance costs of $15.6 million, shares				11,500,000
Cancellation of shares	(117,785)			(117,785)
Accumulated other comprehensive income (loss)	$ 111							111
Ending balance at Dec. 31, 2020			$ 152,928
Ending balance, shares at Dec. 31, 2020			17,500
Ending balance at Dec. 31, 2020	137,145				259,427	(122,353)		71
Ending balance, shares at Dec. 31, 2020				24,932,527
Net loss	(25,325)					(25,325)
Dividend payment to the series A-2 preferred shareholders	(16,400)		$ (16,400)		(16,400)
Stock-based compensation	10,321				10,321
Common stock issued	41,641				41,641
Common stock issued, shares				1,812,394
Issuance of common stock in connection with follow-on offering, net of issuance costs of $0.6 million	169,154				169,154
Issuance of common stock in connection with follow-on offering, net of issuance costs of0.6 million, shares				2,875,000
Accumulated other comprehensive income (loss)	(35)							(35)
Ending balance at Dec. 31, 2021			$ 152,928
Ending balance, shares at Dec. 31, 2021			17,500
Ending balance at Dec. 31, 2021	$ 316,501				$ 464,143	$ (147,678)		$ 36
Ending balance, shares at Dec. 31, 2021				29,619,921