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Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Net loss $ (6,242) $ (12,079) $ (15,825) $ (14,180)
Other comprehensive income (loss):        
Pension liability adjustment, net of tax 99 109 199 218
Deferred income (loss) on cash flow derivatives, net of tax 16 (16) (116) (31)
Net current period other comprehensive income (loss) 115 93 83 187
Comprehensive loss $ (6,127) $ (11,986) $ (15,742) $ (13,993)