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ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Accrued Expenses) (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Payables and Accruals [Abstract]    
Accrued expenses $ 1,087 $ 1,583
Accrued compensation 317 118
Accrued interest 91 239
Accrued expenses $ 1,495 $ 1,940