Note 5 - Properties, Plant and Equipment, Net and Mineral Rights - Property, Plant and Equipment (Details) - USD ($)	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025
Accumulated depreciation	$ (5,904,437)	$ (28,945,571)
Total properties, plant and equipment, net	36,096,380	29,886,209	$ 29,886,209
Land [Member]
Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization	6,329,338	8,529,338
Leaseholds and Leasehold Improvements [Member]
Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization	79,030	1,037,049
Mineral Processing [Member]
Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization	0	27,241,814
Fuels Processing [Member]
Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization	13,724,303	12,881,458
Solar Panel Recycling [Member]
Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization	3,123,974	3,123,974
Construction in Progress [Member]
Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization	14,712,022	1,588,214
Property, Plant and Equipment, Other Types [Member]
Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization	$ 4,032,150	$ 4,429,933