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CONVERTIBLE NOTES (Exchange Note debt discounts) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Debt discounts      
Offset by additional paid in capital   $ 477  
Convertible promissory notes - Exchange Notes | Convertible Debt [Member]      
Debt discounts      
Beginning balance $ 0 (83) $ 0
Additions (241)   (241)
Deductions: Amortization/accretion   2  
Deductions: Write-off related to note conversions   81  
Ending balance $ (241) $ 0 $ (241)