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FAIR VALUE MEASUREMENTS (Details 1) - Fair Value, Inputs, Level 3 [Member] - Hercules warrant [Member]
$ in Thousands
12 Months Ended
Dec. 31, 2015
USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]  
Begining Balance $ 0
Warrants issued with July 2015 debt financing 315
Change in estimated fair value of liability classified warrants (231)
Ending Balance $ 84