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Consolidated Statements of Comprehensive Income (Loss) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Net loss $ (29,388) $ (17,887) $ (923)
Other comprehensive income (loss):      
Pension liability adjustment, net of tax expense of $540 238 (587) 913
Foreign currency cash flow hedge, net of tax expense of $59 57 15 99
Other comprehensive income (loss) 295 (572) 1,012
Comprehensive income (loss) $ (29,093) $ (18,459) $ 89