Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net income (loss)	$ (105)	$ 153
Other comprehensive loss, net of tax:
Foreign currency translation adjustment	(205)	(182)
Unrealized losses on available-for-sale securities	(23)	(7)
Comprehensive loss	$ (333)	$ (36)