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Consolidated Statements of Comprehensive Loss (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Consolidated Statements of Comprehensive Loss        
Net loss $ (4,750) $ (8,718) $ (17,758) $ (19,216)
Other comprehensive income (loss):        
Foreign currency translation adjustments 2,012 1,105 53 (308)
Amortization of actuarial losses from pension plan 8   24  
Comprehensive loss $ (2,730) $ (7,613) $ (17,681) $ (19,524)