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Note 7 - Inventories (Details Textual)
2 Months Ended
Oct. 18, 2024
lb
Sep. 28, 2024
USD ($)
lb
Jul. 31, 2024
lb
Jul. 31, 2023
lb
Subsequent Event [Member]        
Inventory, Decrease From Sales, Mass (Pound) 100,000 110,000    
Proceeds From Sale of Inventory | $   $ 9,062    
Uranium Inventory [Member] | Physical Uranium Program [Member]        
Inventory, Balance , Mass (Pound)     1,466,000 171,000