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Accrued Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2018
Payables and Accruals [Abstract] |
Schedule of Accrued Liabilities | The amounts shown in the accompanying consolidated balance sheets are analyzed as follows:
|  | December 31, |
|  | 2017 |  |  | 2018 |
Interest on long-term debt |  |  | 2,839,121 |  |  |  | 3,656,811 |
Administrative expenses |  |  | 204,472 |  |  |  | 251,257 |
Other operating costs |  |  | 563,333 |  |  |  | 660,000 |
Vessel operating and voyage expenses |  |  | 2,273,553 |  |  |  | 2,311,420 |
Total |  |  | 5,880,479 |  |  |  | 6,879,488 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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