Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (6,079)	$ (7,074)	$ 7,390
Other comprehensive (loss) income, net of tax
Changes in cumulative translation adjustment	(2)	(47)	18
Comprehensive (loss) income	$ (6,081)	$ (7,121)	$ 7,408