Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Net loss	$ (7,971)	$ (8,491)	$ (12,844)	$ (17,843)
Change in foreign currency translation adjustment (net of tax expense of $27 and benefit of $100 for the three and six months ended June 30, 2016, respectively, and net of tax benefit of $0 for both the three and six months ended June 30, 2015)	(41)	476	152	(1,012)
Total other comprehensive (loss) income, net of tax	(41)	476	152	(1,012)
Comprehensive loss	$ (8,012)	$ (8,015)	$ (12,692)	$ (18,855)