CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital.	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Series X Non Voting Convertible Preferred Stock	Total
Balance at the beginning of the period (in shares) at Dec. 31, 2021	88,318,454
Balance at the beginning of the period at Dec. 31, 2021	$ 88	$ 371,638	$ (267)	$ (263,572)		$ 107,887
Increase (Decrease) in Stockholders' Equity
Foreign currency translation adjustment			(158)			(158)
Stock-based compensation		1,204				1,204
Net loss				(10,376)		(10,376)
Balance at the end of the period at Mar. 31, 2022	$ 88	372,842	(425)	(273,948)		98,557
Balance at the end of the period (in shares) at Mar. 31, 2022	88,318,454
Balance at the beginning of the period (in shares) at Dec. 31, 2022	99,021,376
Balance at the beginning of the period at Dec. 31, 2022	$ 99	376,807	128	(318,168)		58,866
Increase (Decrease) in Stockholders' Equity
Foreign currency translation adjustment			227			227
Stock-based compensation		1,310				1,310
Net loss				(41,863)		(41,863)
Balance at the end of the period at Mar. 31, 2023	119	387,886	$ 355	$ (360,031)		$ 28,329
Beginning balance (in shares) at Dec. 31, 2022						0
Increase (Decrease) in Stockholders' Equity
Issuance of Series X Preferred Stock in connection with Flame merger					$ 67,715
Issuance of Series X Preferred Stock in connection with Flame merger (in shares)					136,248
Issuance of common stock in connection with Flame merger	$ 19	9,786				$ 9,805
Issuance of common stock in connection with Flame merger (in shares)	19,729,010
Issuance of common stock warrants in connection with Flame merger		13				13
Redemption of 2019 Warrants		(29)				(29)
Issuance of common stock upon vest of restricted stock units	$ 1	$ (1)
Issuance of common stock upon vest of restricted stock units (in shares)	660,606
Ending balance at Mar. 31, 2023					$ 67,715	$ 67,715
Ending balance (in shares) at Mar. 31, 2023	119,410,992				136,248	136,248