Note 13 - Segment Reporting - Reconciliation of Revenue (Details) - USD ($)	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Revenues	$ 785,815	$ 425,951
Fuels Segment [Member]
Revenues	0	0
Metals Segment [Member]
Revenues	748,765	0
Mining Segment [Member]
Revenues	32,250	421,151
Strategic Investments Segment [Member]
Revenues	0	0
Corporate Segment and Other Operating Segment [Member]
Revenues	4,800	4,800
Mining and Real Estate [Member]
Revenues	37,050	425,951
Mining and Real Estate [Member] | Fuels Segment [Member]
Revenues	0	0
Mining and Real Estate [Member] | Metals Segment [Member]
Revenues	0	0
Mining and Real Estate [Member] | Mining Segment [Member]
Revenues	32,250	421,151
Mining and Real Estate [Member] | Strategic Investments Segment [Member]
Revenues	0	0
Mining and Real Estate [Member] | Corporate Segment and Other Operating Segment [Member]
Revenues	4,800	$ 4,800
Decommissioning Services [Member]
Revenues	743,912
Decommissioning Services [Member] | Fuels Segment [Member]
Revenues	0
Decommissioning Services [Member] | Metals Segment [Member]
Revenues	743,912
Decommissioning Services [Member] | Mining Segment [Member]
Revenues	0
Decommissioning Services [Member] | Strategic Investments Segment [Member]
Revenues	0
Decommissioning Services [Member] | Corporate Segment and Other Operating Segment [Member]
Revenues	0
Off-take [Member]
Revenues	4,853
Off-take [Member] | Fuels Segment [Member]
Revenues	0
Off-take [Member] | Metals Segment [Member]
Revenues	4,853
Off-take [Member] | Mining Segment [Member]
Revenues	0
Off-take [Member] | Strategic Investments Segment [Member]
Revenues	0
Off-take [Member] | Corporate Segment and Other Operating Segment [Member]
Revenues	$ 0