Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Consolidated Statements of Comprehensive Loss
Net income (loss)	$ 14,678	$ (11,266)	$ (17,144)
Other comprehensive (loss) income:
Foreign currency translation adjustments	(2,664)	(4,150)	695
Actuarial (loss) gain from pension plan, net of benefit (taxes) of $19, $140 and $(15)	(43)	(313)	24
Total other comprehensive (loss) income:	(2,707)	(4,463)	719
Comprehensive income (loss)	$ 11,971	$ (15,729)	$ (16,425)