CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (3,386)	$ 1,783
Other comprehensive income (loss) net of applicable tax:
Foreign currency translation adjustments	64	(716)
Comprehensive (loss) income	$ (3,322)	$ 1,067