Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income (loss)	$ 905	$ (3,226)	$ (7,526)
Foreign currency translation adjustments	(507)	(769)	(551)
Comprehensive income (loss)	$ 398	$ (3,995)	$ (8,077)