Schedule of property and equipment, net (Details) - USD ($) |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Total, at cost | $ 51,521,520 | $ 47,836,977 |
| Less: Accumulated depreciation | (19,388,059) | (14,663,651) |
| Total, net | 32,133,461 | 33,173,326 |
| Dry-docking expenditures [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Total, at cost | 14,342,245 | 10,511,691 |
| Furniture and Fixtures [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Total, at cost | 58,174 | 62,362 |
| Vehicles [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Total, at cost | 252,916 | 245,090 |
| Real Property [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Total, at cost | 784,966 | 808,459 |
| Renovation and Improvements [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Total, at cost | 185,072 | 193,118 |
| Tools and Equipment [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Total, at cost | 1,498,228 | 711,322 |
| Vessels [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Total, at cost | $ 34,399,919 | $ 35,304,935 |