Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Consolidated Statements of Comprehensive Income (Loss) [Abstract]
Net income (loss)	$ 6,031	$ (4,463)	$ 10,442
Currency translation adjustment	58	(14)	(55)
Other comprehensive income (loss)	58	(14)	(55)
Comprehensive income (loss)	$ 6,089	$ (4,477)	$ 10,387