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FAIR VALUE (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Common stock warrants issued (in shares) |  |  | 1,208,491 | 115,432
Share price (in dollars per share) | $ 1.67 |  | $ 1.67 |
Stock options, fair value assumptions, expected life |  |  | 1 year 7 months 10 days |
Volatility |  |  | 101.00% |
Risk-free interest rate |  |  | 0.50% |
Fair value assumptions, expected term |  |  | 2 years |
Percentage of simulated equity values below the down-round financing cut-off point |  |  | 25.00% |
Liability |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Common stock warrants issued (in shares) |  |  | 1,200,000 |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance | $ 290 | $ 550 | $ 145 | $ 600
Total gains or losses: |  |  |  |
Recognized in earnings | 270 | (200) | 415 | (250)
Balance at end of period | $ 560 | $ 350 | $ 560 | $ 350

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