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Note 1 - Nature of Operations (Details Textual) - USD ($)
$ in Thousands
Jul. 31, 2024
Jul. 31, 2023
Jul. 31, 2022
Working Capital $ 206,022    
Cash and Cash Equivalents, at Carrying Value 87,533 $ 45,614 $ 32,536
Inventory, Net 75,833 $ 6,207  
Uranium Inventory [Member]      
Inventory, Net $ 75,440