Note 5 - Properties, Plant and Equipment, Net and Mineral Rights - Liabilities Held for Sale (Details) - USD ($) |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Reclamation liability | $ 17,677 | $ 6,488,215 |
| Discontinued Operations, Held-for-Sale [Member] | ||
| Reclamation liability | 6,713,868 | |
| Other | 119,056 | |
| Total liabilities held for sale | $ 6,832,924 |