Consolidated Statements of Comprehensive Income Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Net loss	$ (762)	$ (5,767)	$ (5,702)	$ (14,187)
Other comprehensive income (loss), net of tax
Changes in cumulative translation adjustment	(8)	(20)	6	(35)
Comprehensive loss	$ (770)	$ (5,787)	$ (5,696)	$ (14,222)