Condensed Consolidated Statements of Stockholder's Equity / (Deficit) - USD ($) $ in Thousands	Total	Previously Reported [Member]	Revision of Prior Period, Adjustment [Member]	Preferred Stock [Member] Convertible Preferred Stock [Member]	Preferred Stock [Member] Convertible Preferred Stock [Member] Previously Reported [Member]	Preferred Stock [Member] Convertible Preferred Stock [Member] Revision of Prior Period, Adjustment [Member]	Common Stock [Member]	Common Stock [Member] Previously Reported [Member]	Common Stock [Member] Revision of Prior Period, Adjustment [Member]	Additional Paid-in Capital [Member]	Additional Paid-in Capital [Member] Previously Reported [Member]	Additional Paid-in Capital [Member] Revision of Prior Period, Adjustment [Member]	Accumulated Deficit [Member]	Accumulated Deficit [Member] Previously Reported [Member]	Accumulated Deficit [Member] Revision of Prior Period, Adjustment [Member]	Accumulated Other Comprehensive Loss [Member]	Accumulated Other Comprehensive Loss [Member] Previously Reported [Member]	Accumulated Other Comprehensive Loss [Member] Revision of Prior Period, Adjustment [Member]
Beginning balance at Dec. 31, 2020	$ (35,826)	$ (188,804)	$ 152,978		$ 152,978	$ (152,978)	$ 5	$ 0	$ 5	$ 208,283	$ 55,310	$ 152,973	$ (244,053)	$ (244,053)		$ (61)	$ (61)
Beginning balance, shares at Dec. 31, 2020					7,695,112	(7,695,112)	55,769,556	4,696,352	51,073,204
Issuance of common stock warrants	21,971									21,971
Issuance of Restricted Stock Awards ("RSAs")	563									563
Issuance of Restricted Stock Awards ("RSAs"), shares							1,163,984
Stock-based compensation	1,017									1,017
Shares issued upon exercise of options	74									74
Shares issued upon exercise of options, shares							77,595
Other comprehensive gain (loss)	5															5
Net income (loss)	(14,714)												(14,714)
Ending balance at Mar. 31, 2021	(26,910)			$ 0			$ 5			231,908			(258,767)			(56)
Ending balance, shares at Mar. 31, 2021				0			57,011,135
Beginning balance at Dec. 31, 2021	(65,353)	$ (218,331)	$ 152,978	$ 0	$ 152,978	$ (152,978)	$ 6	$ 1	$ 5	242,299	$ 89,326	$ 152,973	(307,597)	$ (307,597)	$ 0	(61)	$ (61)	$ 0
Beginning balance, shares at Dec. 31, 2021				0	7,695,112	(7,695,112)	57,020,151	5,018,676	52,001,475
Conversion of 2023 Notes into common stock	101,978			$ 0			$ 1			101,977			0			0
Conversion of 2023 Notes into common stock, Shares				0			14,464,992
Issuance of common stock upon the reverse capitalization, net of offering costs	(9,151)						$ 1			(9,152)
Issuance of common stock upon the reverse capitalization, net of offering costs, Shares							8,232,204
Offering cost in connection with Business Combination and PIPE financing	(12,450)									(12,450)
Issuance of PIPE shares	36,950									36,950
Issuance of PIPE shares, shares							3,695,000
Subsequent issuance of shares for offering costs incurred in connection with Business Combination and PIPE financing	9,531						$ 1			9,530
Subsequent issuance of shares for offering costs incurred in connection with Business Combination and PIPE financing, shares							4,803,641
Issuance of common stock upon vesting of restricted stock units ("RSUs")	1						$ 1
Issuance of common stock upon vesting of restricted stock units ("RSUs"), shares							7,177,204
Issuance of common stock warrants	17,602									17,602
Stock-based compensation	51,561									51,561
Shares issued upon exercise of options	$ 58									58
Shares issued upon exercise of options, shares	197,875						197,875
Shares issued upon exercise of common stock warrants	$ 29									29
Shares issued upon exercise of common stock warrants, shares							2,907,664
Other comprehensive gain (loss)	(11)															(11)
Net income (loss)	(104,682)												(104,682)
Ending balance at Mar. 31, 2022	$ 26,063			$ 0			$ 10			$ 438,404			$ (412,279)			$ (72)
Ending balance, shares at Mar. 31, 2022				0			98,498,731