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Litigation (Details) - USD ($)
$ in Thousands
6 Months Ended
Apr. 29, 2016
Jun. 30, 2016
Dec. 31, 2015
Loss Contingencies [Line Items]      
Settlement fund amount $ 450    
Loss from operations | Discontinued operations      
Loss Contingencies [Line Items]      
Loss recognized in period   $ 150  
Accrued expenses      
Loss Contingencies [Line Items]      
Accrual of loss   $ 450 $ 300