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Related Party Transactions Narrative (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Related Party Transaction [Line Items] |  |  |
Dividends payable | $ 1,005,763 | $ 631,961 | $ 4,063,598
Technical management fees | 2,761,800 | 3,364,200 |
Accounts Payable and Accrued Expenses | Seamar |  |  |
Related Party Transaction [Line Items] |  |  |
Trade payables due to related party | 4,151,192 | 5,679,768 |
2013 common stock dividend |  |  |
Related Party Transaction [Line Items] |  |  |
Dividends payable | $ 0 | $ 478,359 | $ 4,063,598

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