Unaudited Condensed Consolidated Statements of Comprehensive Income - 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	$ (2,280)	$ (12,547)	$ (32,465)	$ (14,062)
Other comprehensive income (loss):
Foreign currency translation adjustment	7	76	324	(164)
Comprehensive income (loss)	$ (2,273)	$ (12,471)	$ (32,141)	$ (14,226)