CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 4,389	$ 3,109	$ 7,980	$ 4,550
Other comprehensive loss before income taxes:
Foreign currency translation adjustments	(435)	20	(506)	(127)
Unrealized losses on available-for-sale debt securities	(162)	(52)	(619)	(124)
Total other comprehensive loss before income taxes	(597)	(32)	(1,125)	(251)
Income tax benefit	34	11	130	26
Total other comprehensive loss after income taxes	(563)	(21)	(995)	(225)
Total comprehensive income	$ 3,826	$ 3,088	$ 6,985	$ 4,325