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FAIR VALUE (Details)
$ / shares in Units, $ in Thousands
12 Months Ended
Sep. 30, 2015
shares
Dec. 31, 2015
USD ($)
simulation
$ / shares
shares
Dec. 31, 2014
USD ($)
shares
Jul. 07, 2015
$ / shares
Jan. 24, 2013
$ / shares
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Common stock warrants issued (in shares) | shares   3,466,841 664,703    
Share price (in usd per share) | $ / shares   $ 1.07   $ 1.42 $ 6.00
Stock options, fair value assumptions, expected life   1 year 1 month 8 days      
Volatility   104.00%      
Risk-free interest rate   0.69%      
Term of U.S. treasury bond   1 year      
Percentage of simulated equity values below the down-round financing cut-off point   100.00%      
Number of independent simulations | simulation   10      
Simulation period   6 months      
Liability          
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Common stock warrants issued (in shares) | shares 2,200,000        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Beginning balance   $ 145      
Total gains or losses          
Recognized in earnings   (205)      
Ending balance   $ 350 $ 145