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SALE OF COMMON STOCK AND ISSUANCE OFSECURED DEBT (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Secured Debt $ 2,427  
Transaction costs (287)  
Long-term Debt, Gross 2,140  
Amortization 41  
Secured Long term Debt Gross 2,181  
Accrued interest 68  
Secured Long-term Debt, Noncurrent $ 2,249 $ 0