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Interest Expense and Finance Costs (Table) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Interest Expense and Finance Costs [Abstract] |  |  |
Interest payable on long-term borrowings | $ 1,778 | $ 2,430 | $ 2,523
Bank charges | 34 | 33 | 32
Amortization of debt discount | 84 | 128 | 146
Other finance expenses | 325 | 85 | 82
Total | $ 2,221 | $ 2,676 | $ 2,783

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