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CONVERTIBLE NOTES (Exchange Note debt discounts) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Dec. 31, 2018
Debt discounts |  |
Write off of derivative liability |  | $ 400
Offset by additional paid in capital | $ 39 |
Maximum |  |
Debt discounts |  |
Offset by additional paid in capital | 100 |
Convertible promissory notes - Exchange Notes | Convertible Debt [Member] |  |
Debt discounts |  |
Beginning balance | 83 |
Deductions: Amortization/accretion | (2) |
Deductions: Write-off related to note conversions | $ (81) |
Ending balance |  | $ 83

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