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Interest Expense and Finance Costs (Table) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Interest Expense and Finance Costs [Abstract]      
Interest payable on long-term borrowings $ 2,004 $ 1,778 $ 2,430
Bank charges 29 34 33
Amortization of debt discount 23 84 128
Other finance expenses 0 325 85
Total $ 2,056 $ 2,221 $ 2,676