Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net income	$ 183	$ 229	$ 78	$ 382
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	(256)	96	(461)	(86)
Unrealized gains on available-for-sale securities	36	16	13	9
Comprehensive income (loss)	$ (37)	$ 341	$ (370)	$ 305