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SALE OF COMMON STOCK AND ISSUANCE OFSECURED DEBT (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Secured Debt $ 2,477 $ 2,427
Transaction costs (299) (299)
Long-term Debt, Gross 2,178 2,128
Amortization 157 134
Secured Long term Debt Gross 2,335 2,262
Accrued interest 249 213
Secured Long-term Debt, Noncurrent $ 2,584 $ 2,475