Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (3,363)	$ (9,956)	$ (21,589)	$ (29,092)
Other comprehensive income:
Unrealized gains on marketable securities, net of tax of $0	0	0	0	0
Comprehensive loss	$ (3,363)	$ (9,956)	$ (21,589)	$ (29,092)