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FAIR VALUE MEASUREMENTS (Details 1) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Change in fair value of warrants $ 131 $ (147)
Warrant [Member]    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Balance at beginning 2,079  
Change in fair value of warrants (131)  
Balance at ending $ 1,948