CONSOLIDATED STATEMENTS OF CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY (DEFICIT) - USD ($) $ in Thousands	Total	Convertible Preferred Stock [Member]	AOCI Attributable to Parent [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Previously Reported [Member]	Previously Reported [Member] Convertible Preferred Stock [Member]	Previously Reported [Member] Common Stock [Member]	Previously Reported [Member] Additional Paid-in Capital [Member]	Previously Reported [Member] Accumulated Deficit [Member]	Revision of Prior Period, Adjustment [Member]	Revision of Prior Period, Adjustment [Member] Convertible Preferred Stock [Member]	Revision of Prior Period, Adjustment [Member] Common Stock [Member]	Revision of Prior Period, Adjustment [Member] Additional Paid-in Capital [Member]
Retroactive application of recapitalization (Note 2)								$ 43,252
Retroactive application of recapitalization (Note 2), Shares								7,082,501
Beginning balance at Dec. 31, 2018								$ 43,252
Beginning balance, Shares at Dec. 31, 2018								7,082,501
Beginning balance at Dec. 31, 2018							$ (13,194)		$ 9	$ 2,717	$ (15,920)
Beginning balance, Shares at Dec. 31, 2018									8,004,160
Issuance of Series B preferred stock, net		$ 35,952
Issuance of Series B preferred stock, net, Shares		1,524,279
Stock-based compensation	$ 2,153				$ 2,153
Issuance of common stock upon exercise of stock options	$ 35				35
Issuance of common stock upon exercise of stock options, shares	243,780			243,780
Unrealized loss on available-for-sale securities	$ 0
Net loss	(19,594)					$ (19,594)
Ending balance at Dec. 31, 2019													$ (79,204)
Ending balance, Shares at Dec. 31, 2019													(8,606,780)
Ending balance at Dec. 31, 2019	48,604			$ 15	84,103	(35,514)						$ 79,204		$ 6	$ 79,198
Ending balance, Shares at Dec. 31, 2019				151,014,472										142,766,532
Retroactive application of recapitalization (Note 2)													$ (79,204)
Retroactive application of recapitalization (Note 2), Shares													(8,606,780)
Stock-based compensation	3,806				3,806
Issuance of common stock upon exercise of stock options	$ 73				73
Issuance of common stock upon exercise of stock options, shares	351,037			351,037
Unrealized loss on available-for-sale securities	$ 0
Net loss	(25,570)					(25,570)
Ending balance, Shares at Dec. 31, 2020		0
Ending balance at Dec. 31, 2020	26,913			$ 15	87,982	(61,084)
Ending balance, Shares at Dec. 31, 2020				151,365,509
Retroactive application of recapitalization (Note 2), Shares		0
Stock-based compensation	22,237				22,237
Issuance of common stock upon exercise of stock options	$ 911				911
Issuance of common stock upon exercise of stock options, shares	3,701,243			3,701,243
Issuance of common stock upon release of restricted stock units				758,945
Business combination and PIPE financing, net of acquired private placement warrant of $3,014				59,343,104
Business combination and PIPE financing, net of acquired private placement warrant of $3,014	$ 557,763			$ 6	557,757
Offering cost in connection with Business combination and PIPE financing	(47,708)				(47,708)
Shares withheld for the withholding tax on vesting of restricted stock	(1,338)			(171,787)	(1,338)
Unrealized loss on available-for-sale securities	(524)		$ (524)
Net loss	(101,878)					(101,878)
Ending balance, Shares at Dec. 31, 2021		0
Ending balance at Dec. 31, 2021	$ 456,376		$ (524)	$ 21	$ 619,841	$ (162,962)
Ending balance, Shares at Dec. 31, 2021				214,997,014
Retroactive application of recapitalization (Note 2), Shares		0