CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 3,591	$ 1,441
Other comprehensive loss before income taxes:
Foreign currency translation adjustments	(71)	(147)
Unrealized losses on available-for-sale debt securities	(457)	(72)
Total other comprehensive loss before income taxes	(528)	(219)
Income tax benefit	(96)	(15)
Total other comprehensive loss after income taxes	(432)	(204)
Total comprehensive income	$ 3,159	$ 1,237