CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Statement of Comprehensive Income [Abstract]
Net loss	$ (1,109)	$ (1,323)	$ (3,838)	$ (1,255)
Other comprehensive income (loss), net of applicable tax:
Foreign currency translation adjustments	131	(625)	121	(202)
Comprehensive loss	$ (978)	$ (1,948)	$ (3,717)	$ (1,457)