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TERM FACILITY (Details Narrative) - USD ($)
$ in Thousands
 1 Months Ended 12 Months Ended
Jul. 31, 2015
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Statement Line Items [Line Items]          
Short-term investments $ 10,000 $ 1,000 $ 10,000  
Short-term investments interest rate description Interest is charged on the facility at a rate of U.S. dollar LIBOR (3 month) plus 4.75%        
Repayment of term facility   $ 6,901 $ 8,667 $ 9,334 $ 10,000
New Amending Agreement [Member]          
Statement Line Items [Line Items]          
Short-term investments interest rate description   Interest on the amended facility is now charged at a rate of US dollar LIBOR (3 month) plus 6.75% during the 12 month deferral period, reverting to US dollar LIBOR (3 month) plus 4.75% for the remainder of the repayment period ending August 2021.      
Repayment of term facility   $ 278