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CONVERTIBLE PREFERRED STOCK AND WARRANTS (Details Narrative) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Investor warrants | $ 0 | $ 10,547
Placement agent warrants | 267 | 998
Aggregate change in value of the investor and placement agent warrants | 1,799 |
Additional accretion of convertible preferred stock and warrants | 222 |
Series A preferred stock | 0 |
Investor [Member] |  |
Fair value of the investor and placement agent warrants | $ 0 |
Placement Agent [Member] |  |
Fair value of the investor and placement agent warrants |  | $ 1,068

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