Condensed Consolidated Statements of Comprehensive (Loss) 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) income	$ (3,916)	$ 2,111	$ (5,905)	$ 3,240
Other comprehensive income (loss):
Foreign currency translation adjustments	0	(36)	1	(9)
Comprehensive (loss) income	$ (3,916)	$ 2,075	$ (5,904)	$ 3,231