Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ (3,054)	$ (16,576)
Foreign currency:
Comprehensive loss	0	(65)
Marketable securities:
Comprehensive income (loss)	1,906	(3,766)
Adjustment for net income (losses) realized in net loss	(1,050)	1,207
Other comprehensive loss	856	(2,559)
Total other comprehensive income (loss)	856	(2,624)
Total comprehensive loss	$ (2,198)	$ (19,200)