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Debt Securities (Details Narrative) - USD ($)
$ in Millions
12 Months Ended
Jul. 31, 2024
Jul. 31, 2023
Jul. 31, 2022
Investments, Debt and Equity Securities [Abstract]      
Proceeds from sale and maturity of debt securities, available-for-sale $ 50.1 $ 49.2 $ 21.2