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COMMON STOCK, PREFERRED STOCK AND WARRANTS WITH-DOWN ROUND PROTECTION (Warrants with down round protection) (Details) - $ / shares | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Aug. 29, 2014
Warrant [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Number of warrants exchanged | (1,440,880) |  |
Series A Warrant [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Warrants term | 5 years |  |
Warrant exercise price | $ 6.96 |  | $ 5.80
Number of warrants exercisable | 380,953 | 1,539,364 |
Series B-1 Warrant [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Warrants term |  | 5 years |
Warrant exercise price |  | $ 5.80 |
Number of warrants exchanged | 1,200,710 |  |
Series B-2 Warrant [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Warrants term |  | 5 years |
Warrant exercise price |  | $ 10.00 |
Number of warrants exchanged | 1,200,710 |  |

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