CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (44,215)	$ (28,748)
Other comprehensive loss:
Foreign currency translation adjustment	(46)	(49)
Unrealized losses on marketable securities, net of tax of $0	(47)	(44)
Total other comprehensive loss	(93)	(93)
Comprehensive loss	$ (44,308)	$ (28,841)