v3.26.1
Note 15 - Segment Reporting - Reconciliation of Revenue (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Revenues $ 272,824 $ 339,546 $ 586,280 $ 1,125,361
Mining and Real Estate [Member]        
Revenues 37,750 36,550 76,000 73,600
Decommissioning Services [Member]        
Revenues 131,506 296,789 359,889 1,040,701
Recycling [Member]        
Revenues 65,602   106,489  
Off-take [Member]        
Revenues 37,966 6,207 43,902 11,060
Metals Segment [Member]        
Revenues 235,074 302,996 510,280 1,051,761
Metals Segment [Member] | Mining and Real Estate [Member]        
Revenues 0 0 0 0
Metals Segment [Member] | Decommissioning Services [Member]        
Revenues 131,506 296,789 359,889 1,040,701
Metals Segment [Member] | Recycling [Member]        
Revenues 65,602   106,489  
Metals Segment [Member] | Off-take [Member]        
Revenues 37,966 6,207 43,902 11,060
Mining Segment [Member]        
Revenues [1] 33,250 32,250 67,000 64,500
Mining Segment [Member] | Mining and Real Estate [Member]        
Revenues 33,250 32,250 67,000 64,500
Mining Segment [Member] | Decommissioning Services [Member]        
Revenues 0 0 0 0
Mining Segment [Member] | Recycling [Member]        
Revenues 0   0  
Mining Segment [Member] | Off-take [Member]        
Revenues 0 0 0 0
Strategic Investments Segment [Member]        
Revenues 0 0 0 0
Strategic Investments Segment [Member] | Mining and Real Estate [Member]        
Revenues 0 0 0 0
Strategic Investments Segment [Member] | Decommissioning Services [Member]        
Revenues 0 0 0 0
Strategic Investments Segment [Member] | Recycling [Member]        
Revenues 0   0  
Strategic Investments Segment [Member] | Off-take [Member]        
Revenues 0 0 0 0
Corporate Segment and Other Operating Segment [Member]        
Revenues 4,500 4,300 9,000 9,100
Corporate Segment and Other Operating Segment [Member] | Mining and Real Estate [Member]        
Revenues 4,500 4,300 9,000 9,100
Corporate Segment and Other Operating Segment [Member] | Decommissioning Services [Member]        
Revenues 0 0 0 0
Corporate Segment and Other Operating Segment [Member] | Recycling [Member]        
Revenues 0   0  
Corporate Segment and Other Operating Segment [Member] | Off-take [Member]        
Revenues 0 0 0 0
Bioleum Segment [Member]        
Revenues 0 0 0 0
Bioleum Segment [Member] | Mining and Real Estate [Member]        
Revenues 0 0 0 0
Bioleum Segment [Member] | Decommissioning Services [Member]        
Revenues 0 0 0 0
Bioleum Segment [Member] | Recycling [Member]        
Revenues 0   0  
Bioleum Segment [Member] | Off-take [Member]        
Revenues $ 0 $ 0 $ 0 $ 0
[1] Mining segment - asset held for sale (see Note 5)