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Note 3 - Inventories - Costs of Inventories (Details) - USD ($)
$ in Thousands
Apr. 30, 2024
Jul. 31, 2023
Material and supplies $ 190 $ 228
Uranium concentrates from extraction 178 178
Inventory, Net 63,387 6,207
Uranium Inventory [Member]    
Purchased uranium inventories $ 63,019 $ 5,801