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COMMITMENTS AND CONTINGENCIES (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
May 27, 2016
Jun. 30, 2016
Mar. 31, 2016
Jun. 30, 2016
Dec. 31, 2015
Commitments And Contingencies [Line Items]          
Loss contingency accrual   $ 111   $ 111 $ 109
Asset retirement obligation:          
Total asset retirement obligations   1,971   $ 1,971 $ 1,962
Key Management          
Commitments And Contingencies [Line Items]          
Usual length of consulting, employment and non-compete agreements       1 year  
Chief Executive Officer          
Commitments And Contingencies [Line Items]          
Restructuring Reserve     $ 747    
Range of possible loss, maximum     2,000    
Increase (Decrease) in Postemployment Obligations $ 1,800        
Legal Fees $ 700   $ 265    
Postemployment Benefits, Period Expense   $ 2,514   $ 3,025