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v3.26.1

Note 5 - Properties, Plant and Equipment, Net and Mineral Rights (Tables) | 3 Months Ended
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Mar. 31, 2026
Notes Tables |
Property, Plant, and Equipment [Table Text Block] |
|  | March 31, 2026 |  |  | December 31, 2025 |
Land |  | $ | 6,329,338 |  |  | $ | 8,529,338 |
Real property leased to third parties |  |  | 79,030 |  |  |  | 1,037,049 |
Property, plant and equipment for mineral processing |  |  | — |  |  |  | 27,241,814 |
Property, plant and equipment for renewable fuels processing |  |  | 13,724,303 |  |  |  | 12,881,458 |
Property, plant and equipment for solar panel recycling |  |  | 3,123,974 |  |  |  | 3,123,974 |
Construction in process |  |  | 14,712,022 |  |  |  | 1,588,214 |
Other property and equipment |  |  | 4,032,150 |  |  |  | 4,429,933 |
Accumulated depreciation |  |  | (5,904,437 | ) |  |  | (28,945,571 | )
Total properties, plant and equipment, net |  | $ | 36,096,380 |  |  | $ | 29,886,209 |
Mineral Rights and Properties [Table Text Block] |
|  | March 31, 2026 |  |  | December 31, 2025 |
Comstock Mineral Estate |  | $ | — |  |  | $ | 10,842,716 |
Other mineral properties |  |  | — |  |  |  | 317,405 |
Water rights |  |  | 730,597 |  |  |  | 820,595 |
Total mineral rights and properties |  | $ | 730,597 |  |  | $ | 11,980,716 |
Long-Lived Asset, Held-for-Sale [Table Text Block] |
Assets held for sale |  | March 31, 2026 |
Mineral properties |  | $ | 11,160,121 |
Water rights |  |  | 90,000 |
Buildings, land and equipment, net |  |  | 7,353,714 |
Reclamation bond deposit |  |  | 4,105,585 |
Other |  |  | 22,873 |
Total assets held for sale |  | $ | 22,732,293 |
Liabilities, Held-for-Sale [Table Text Block] |
Liabilities held for sale |  | March 31, 2026 |
Reclamation liability |  | $ | 6,591,724 |
Other |  |  | 59,595 |
Total liabilities held for sale |  | $ | 6,651,319 |

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