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LONG-TERM DEBT AND CONVERTIBLE NOTES (Secured Debt Obligations) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 9 Months Ended 12 Months Ended
Sep. 17, 2018
Feb. 28, 2018
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Debt Instrument [Line Items]          
Total debt     $ 1,689   $ 3,416
Class of warrant, number of securities called by warrants     9,261,896    
Original debt amount     $ 456    
Long-term debt exchanged for convertible notes     2,108    
Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants       $ 487  
Creditor Warrants Relating to Secured Debt [Member]          
Debt Instrument [Line Items]          
Class of warrant, number of securities called by warrants   108,112     108,112
Warrants, exercise price per share   $ 7.50      
Settlement Agreements [Member]          
Debt Instrument [Line Items]          
Total debt         $ 3,200
Warrants and rights outstanding         1,900
Settlement Agreements [Member] | Creditor Warrants Relating to Secured Debt [Member]          
Debt Instrument [Line Items]          
Class of warrant, number of securities called by warrants   108,112      
Warrants, exercise price per share   $ 7.50      
Secured Debt [Member]          
Debt Instrument [Line Items]          
Total debt     $ 1,058   3,233
Original debt amount $ 2,100        
Debt Restructured         6,300
Secured Debt [Member] | Settlement Agreements [Member]          
Debt Instrument [Line Items]          
Total debt         3,200
Accrued interest         600
Debt instrument, term     48 months    
Date of first required payment     Jul. 01, 2018    
Extinguishment of debt, amount         $ 1,900
New shares issued (in shares)   1,814,754      
Share Price   $ 1.04      
Secured Debt [Member] | Exchange Agreements [Member]          
Debt Instrument [Line Items]          
Original debt amount 2,100        
Long-term debt exchanged for convertible notes 1,800        
Gain (loss) on extinguishment of debt $ 300