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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 |  |

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