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Investment in equity securities (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Jun. 23, 2023
Equity Securities [Abstract] |  |  |  |
Beginning balance | $ 0 | $ 0 |  |
Equity securities acquired | 72,211,450 | 60,750 | $ 0 |
Proceeds from sale of equity securities | (258,999) | (88,200) | 0 |
Gain on sale of equity securities | 2,636 | 27,450 | 0 |
Unrealized gain on equity securities revalued at fair value at end of the period | 5,134,013 | 0 | 0 |
Ending balance | 77,089,100 | 0 | 0 |
Dividend income on equity securities | 1,312,222 | 24,528 | 0 |
Eagle Bulk Shipping Inc [Member] |  |  |  |
Equity Securities [Abstract] |  |  |  |
Number of shares held (in shares) |  |  |  | 1,391,500
Percentage of shares held |  |  |  | 14.99%
Dividend income on equity securities | $ 1,312,222 | $ 24,528 | $ 0 |

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