Note 3 - Advances for Vessels Under Construction - Capitalized Vessel Construction Cost Roll Forward (Details) - USD ($) |
Jun. 30, 2026 |
Jan. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|---|
| Balance | $ 73,882,170 | $ 35,890,936 | $ 35,890,936 |
| Advances for vessels under construction | $ 37,991,234 |