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COMMITMENTS AND CONTINGENCIES (Details) - USD ($)
3 Months Ended 9 Months Ended
May 27, 2016
Sep. 30, 2016
Sep. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Aug. 31, 2015
Commitments And Contingencies [Line Items]            
Loss contingency accrual   $ 112,000 $ 112,000   $ 109,000  
Asset retirement obligation:            
Total asset retirement obligations   1,901,000 $ 1,901,000   $ 1,962,000  
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       $ 747,000    
Range of possible loss, maximum           $ 2,000,000
Increase (Decrease) in Postemployment Obligations $ 1,800,000          
Legal Fees $ 700,000          
Postemployment Benefits, Period Expense   $ 0 $ 3,025,000