Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ (5,981)	$ (7,373)
Other comprehensive loss:
Foreign currency translation adjustments	0	(2)
Comprehensive loss	$ (5,981)	$ (7,375)