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	$ (8,508)	$ (10,201)	$ (27,043)	$ (19,188)
Other comprehensive loss:
Unrealized loss on debt investments, net of tax of $0	(282)	(67)	(1,066)	(317)
Realized loss (gain) on debt investments reclassified and included in net loss, net of tax of $0	3	0	4	(18)
Other comprehensive loss	(279)	(67)	(1,062)	(335)
Comprehensive loss	$ (8,787)	$ (10,268)	$ (28,105)	$ (19,523)