UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' (DEFICIT) EQUITY - USD ($) $ in Thousands	Total	Common stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income	Accumulated Deficit
Beginning balances (in shares) at Dec. 31, 2021		53,786,632
Beginning balances at Dec. 31, 2021	$ 32,447	$ 5	$ 448,969	$ 0	$ (416,527)
Increase (decrease) in stockholders' equity [Roll Forward]
Stock-based compensation	7,377		7,377
Exercise of warrants (in shares)		600
Exercise of warrants	7		7
Release of restricted stock units (in shares)		427,607
Cancellation of shares used to settle payroll tax withholding (in shares)		(128,156)
Cancellation of shares used to settle payroll tax withholding	(852)		(852)
Issuance of common stock (in shares)		3,967,939
Issuance of common stock	4,604	$ 1	4,603
Commitment fee for SEPA settled by common stock (in shares)		465,117
Commitment fee for SEPA settled by common stock	1,061		1,061
Foreign currency translation adjustment, net of tax	5			5
Net loss	(102,478)				(102,478)
Ending balances (in shares) at Jun. 30, 2022		58,519,739
Ending balances at Jun. 30, 2022	(57,829)	$ 6	461,165	5	(519,005)
Beginning balances (in shares) at Mar. 31, 2022		53,980,608
Beginning balances at Mar. 31, 2022	(10,220)	$ 5	452,093	0	(462,318)
Increase (decrease) in stockholders' equity [Roll Forward]
Stock-based compensation	3,434		3,434
Exercise of warrants (in shares)		0
Release of restricted stock units (in shares)		121,956
Cancellation of shares used to settle payroll tax withholding (in shares)		(15,881)
Cancellation of shares used to settle payroll tax withholding	(26)		(26)
Issuance of common stock (in shares)		3,967,939
Issuance of common stock	4,604	$ 1	4,603
Commitment fee for SEPA settled by common stock (in shares)		465,117
Commitment fee for SEPA settled by common stock	1,061		1,061
Foreign currency translation adjustment, net of tax	5			5
Net loss	(56,687)				(56,687)
Ending balances (in shares) at Jun. 30, 2022		58,519,739
Ending balances at Jun. 30, 2022	$ (57,829)	$ 6	461,165	5	(519,005)
Beginning balances (in shares) at Dec. 31, 2022	82,653,781	82,653,781
Beginning balances at Dec. 31, 2022	$ (132,711)	$ 9	513,614	6	(646,340)
Increase (decrease) in stockholders' equity [Roll Forward]
Stock-based compensation	5,667		5,667
Exercise of stock options (in shares)		200,000
Exercise of stock options	268		268
Exercise of warrants (in shares)		0
Release of restricted stock units (in shares)		1,513,333
Cancellation of shares used to settle payroll tax withholding (in shares)		(290,071)
Cancellation of shares used to settle payroll tax withholding	(451)		(451)
Issuance of common stock (in shares)		43,232,917
Issuance of common stock	100,913	$ 5	100,908
Foreign currency translation adjustment, net of tax	3			3
Net loss	$ (203,230)				(203,230)
Ending balances (in shares) at Jun. 30, 2023	127,309,960	127,309,960
Ending balances at Jun. 30, 2023	$ (229,541)	$ 14	620,006	9	(849,570)
Beginning balances (in shares) at Mar. 31, 2023		95,222,670
Beginning balances at Mar. 31, 2023	(175,597)	$ 10	542,326	7	(717,940)
Increase (decrease) in stockholders' equity [Roll Forward]
Stock-based compensation	2,304		2,304
Exercise of stock options (in shares)		200,000
Exercise of stock options	268		268
Exercise of warrants (in shares)		0
Release of restricted stock units (in shares)		598,127
Cancellation of shares used to settle payroll tax withholding (in shares)		(43,354)
Cancellation of shares used to settle payroll tax withholding	(106)		(106)
Issuance of common stock (in shares)		31,332,517
Issuance of common stock	75,218	$ 4	75,214
Foreign currency translation adjustment, net of tax	2			2
Net loss	$ (131,630)				(131,630)
Ending balances (in shares) at Jun. 30, 2023	127,309,960	127,309,960
Ending balances at Jun. 30, 2023	$ (229,541)	$ 14	$ 620,006	$ 9	$ (849,570)