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Accrued Expenses and Other Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Payables and Accruals [Abstract]    
Derivatives (See Note 10) $ 87 $ 30
Professional services 97 149
Tax accruals 10 69
Other 119 56
Total accrued expenses and other liabilities $ 313 $ 304