CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In-Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (loss)
Beginning balance at Dec. 31, 2021	$ (11,076)	$ 25	$ 351,422	$ (362,484)	$ (39)
Beginning balance, shares at Dec. 31, 2021		24,737
Issuance of common stock	4,611		4,611
Issuance of common stock, shares		483
Stock-based compensation	11,314		11,314
Net loss	(10,461)			(10,461)
Other comprehensive loss	(677)				(677)
Ending balance at Mar. 31, 2022	(6,289)	$ 25	367,347	(372,945)	(716)
Ending balance, shares at Mar. 31, 2022		25,220
Beginning balance at Dec. 31, 2022	15,591	$ 26	403,599	(386,785)	(1,249)
Beginning balance, shares at Dec. 31, 2022		26,098
Issuance of common stock	4,520	$ 1	4,519
Issuance of common stock, shares		483
Stock-based compensation	10,224		10,224
Net loss	(4,358)			(4,358)
Other comprehensive loss	644				644
Ending balance at Mar. 31, 2023	$ 26,621	$ 27	$ 418,342	$ (391,143)	$ (605)
Ending balance, shares at Mar. 31, 2023		26,581