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Note 5 - Properties, Plant and Equipment, Net and Mineral Rights (Details Textual) - USD ($) | 3 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 31, 2026 | Mar. 31, 2025 | Feb. 22, 2026 | Jan. 09, 2026 | Dec. 31, 2025 | Jun. 06, 2025 | Dec. 18, 2024
Depreciation | $ 402,766 | $ 147,680 |  |  |  |  |
Property, Plant and Equipment Not Yet Placed in Service | 14,712,022 |  |  |  | $ 1,817,503 |  |
Depletion | 0 | 0 |  |  |  |  |
Gain (Loss) on Sale of Royalty Rights | 1,400,010 | $ (0) |  |  |  |  |
Asset, Held-for-Sale, Not Part of Disposal Group | 22,732,293 |  |  |  |  |  |
Liabilities, Held-for-Sale, Not Part of Disposal Group | 6,651,319 |  |  |  |  |  |
Binding MIPA with Mackay [Member] |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  |  |  |  |  | $ 2,950,000 |
Royalty Fee Percentage |  |  |  |  |  |  | 1.50%
NSR Royalty Agreement [Member] |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  |  |  | $ 1,100,000 |  |  |
Royalty Fee Percentage |  |  |  | 1.50% |  |  |
Disposal Group, Percentage of Right, Title, and Interest Sold |  |  |  | 100.00% |  |  |
NSR Royalty Agreement, February 2026 Amendment [Member] |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  |  | $ 300,000 |  |  |  |
Deposits [Member] |  |  |  |  |  |  |
Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization | $ 2,100,000 |  |  |  | $ 7,600,000 |  |

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