Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 742	$ 345
Other comprehensive loss, net of tax:
Foreign currency translation adjustments	(60)	(256)
Other comprehensive loss	(60)	(256)
Comprehensive income	$ 682	$ 89