CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ 3,890	$ (3,008)	$ 13,274	$ (10,320)
Accumulated other comprehensive income (loss)
Foreign currency translation adjustment	109	374	(106)	(2,106)
Total accumulated other comprehensive income (loss)	109	374	(106)	(2,106)
Total comprehensive income (loss)	$ 3,999	$ (2,634)	$ 13,168	$ (12,426)