Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Consolidated Statements of Comprehensive Loss
Net loss	$ (3,391)	$ (5,578)	$ (17,317)	$ (16,877)
Other comprehensive (loss) income:
Foreign currency translation adjustments	(83)	102	273	53
Other comprehensive (loss) income:	(83)	102	273	53
Comprehensive loss	$ (3,474)	$ (5,476)	$ (17,044)	$ (16,824)