Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Consolidated Statements of Comprehensive Income (Loss)
Net loss	$ (4,704)	$ (4,750)	$ (11,430)	$ (17,758)
Other comprehensive income (loss):
Foreign currency translation adjustments	(2,950)	2,012	(2,868)	53
Amortization of actuarial losses from pension plan	6	8	18	24
Total other comprehensive (loss) income	(2,944)	2,020	(2,850)	77
Comprehensive loss	$ (7,648)	$ (2,730)	$ (14,280)	$ (17,681)