Consolidated Statements of Changes in Convertible Preferred Stock and Stockholders' Equity (Deficit) - USD ($) $ in Thousands	Total	Initial Public Offering	Common Stock	Common Stock Initial Public Offering	Additional Paid-In Capital	Additional Paid-In Capital Initial Public Offering	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Total Stockholders' (Deficit) Equity	Total Stockholders' (Deficit) Equity Initial Public Offering	Noncontrolling Interest	Convertible Preferred Stock Seed-1, Seed-2, Series A-1, Series A-2, Series B, Series C, Series D, Series E	Convertible Preferred Stock Seed-1, Seed-2, Series A-1, Series A-2, Series B, Series C, Series D, Series E Initial Public Offering	Class A - Common Stock	Class A - Common Stock Initial Public Offering	Class B - Common Stock	Class B - Common Stock Initial Public Offering
Temporary equity, Balance at Dec. 31, 2018												$ 66,227
Temporary equity, Balance, Shares at Dec. 31, 2018												19,989,118
Balance at Dec. 31, 2018	$ (45,840)				$ 775			$ (46,615)	$ (45,840)
Balance, Shares at Dec. 31, 2018			6,083,135
Issuance of common stock, Shares			1
Issuance of convertible preferred stock												$ 54,929
Issuance of convertible preferred stock, Shares												5,494,064
Exercise of common stock options	$ 450				450				450
Exercise of common stock options, Shares	455,665		455,665
Shares issued in business combination	$ 2,743				2,743				2,743
Shares issued in business combination, Shares			750,770
Stock based compensation	544				544				544
Comprehensive loss:
Net loss	(30,994)							(30,994)	(30,994)
Comprehensive loss	(30,994)
Temporary equity, Balance at Dec. 31, 2019	$ 121,156											$ 121,156
Temporary equity, Balance, Shares at Dec. 31, 2019	25,483,182											25,483,182
Balance at Dec. 31, 2019	$ (73,097)				4,512			(77,609)	(73,097)
Balance, Shares at Dec. 31, 2019			7,289,571
Repurchase of convertible preferred stock	$ (12,852)											$ (12,852)
Repurchase of convertible preferred stock, Shares	(2,246,886)											(2,246,886)
Repurchase of convertible preferred stock	$ (8,801)				(5,578)			(3,223)	(8,801)
Issuance of convertible preferred stock	$ 52,409											$ 52,409
Issuance of convertible preferred stock, Shares	4,522,645											4,522,645
Exercise of common stock options	$ 518				563			(45)	518
Exercise of common stock options, Shares	465,668		466,211
Stock based compensation	$ 1,006				1,006				1,006
Comprehensive loss:
Foreign currency translation	210						$ 210		210
Net loss	(31,085)							(31,085)	(31,085)
Comprehensive loss	(30,875)
Temporary equity, Balance at Dec. 31, 2020	$ 160,713											$ 160,713
Temporary equity, Balance, Shares at Dec. 31, 2020	27,758,941											27,758,941
Balance at Dec. 31, 2020	$ (111,249)				503		210	(111,962)	(111,249)
Balance, Shares at Dec. 31, 2020	7,755,782		7,755,782											0		0
Conversion of convertible preferred stock in connection with the initial public offering		$ 160,713				$ 160,713				$ 160,713			$ (160,713)
Conversion of convertible preferred stock in connection with the initial public offering, Shares													(27,758,941)		27,351,633		407,308
Issuance of common stock		$ 325,263				$ 325,263				$ 325,263
Issuance of common stock, Shares															7,906,250
Exercise of common stock options	$ 2,291				2,291				2,291
Exercise of common stock options, Shares	1,101,539		910,015											178,402
Conversion of common stock in connection with the initial public offering, Shares				(8,665,797)											6,396,951		2,268,846
Exercise of warrants	$ 40				40				40
Exercise of warrants, Shares														24,242
Costs of initial public offering	(3,678)				(3,678)				(3,678)
Shares issued in business combination	102,888				102,888				102,888
Shares issued in business combination, Shares														2,100,660
Noncontrolling interest acquired in business combination	1,036										$ 1,036
Donated common stock	2,226				2,226				2,226
Donated common stock, Shares														40,266
Stock based compensation	7,395				7,395				7,395
Comprehensive loss:
Foreign currency translation	(61)						(61)		(61)
Net loss	(61,381)							(61,379)	(61,379)		(2)
Comprehensive loss	(61,442)
Temporary equity, Balance at Dec. 31, 2021
Temporary equity, Balance, Shares at Dec. 31, 2021	0
Balance at Dec. 31, 2021	$ 425,483				$ 597,641		$ 149	$ (173,341)	$ 424,449		$ 1,034
Balance, Shares at Dec. 31, 2021	0													43,998,404		2,676,154