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FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Fair Value of Financial Instruments [Line Items]    
Long-term debt $ 84,267 $ 82,068
Senior secured notes, carrying value 1,834 1,830
Second lien notes, net 82,433 80,238
Senior Secured Notes | Senior secured notes    
Fair Value of Financial Instruments [Line Items]    
Long-term debt 1,834 1,830
Senior Secured Notes | Market Approach | Level 2 | Senior secured notes    
Fair Value of Financial Instruments [Line Items]    
Senior secured notes, fair value 1,364  
Senior Secured Second Lien Notes | Senior secured notes    
Fair Value of Financial Instruments [Line Items]    
Long-term debt 82,433 $ 80,238
Senior Secured Second Lien Notes | Market Approach | Level 2 | Senior secured notes    
Fair Value of Financial Instruments [Line Items]    
Senior secured notes, fair value $ 66,289