Condensed Consolidated Statements of Comprehensive Income (Loss) (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Statement of Comprehensive Income [Abstract]
Net loss	$ (1,041)	$ (3,896)
Other comprehensive loss, net of tax
Foreign currency translation gain	94	80
Total comprehensive loss	$ (947)	$ (3,816)