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Summary of Changes in Equity Method Investments (Details) - USD ($)
$ in Thousands
 3 Months Ended
Oct. 31, 2024
Oct. 31, 2023
Defined Benefit Plan Disclosure [Line Items]    
Purchase of convertible preferred stock $ 673 $ 672
Equity in the net loss of investee (780) (1,012)
Equity Method Investee [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Balance, beginning of period 1,338 2,784
Purchase of convertible preferred stock 673 672
Equity in the net loss of investee (438) (670)
Amortization of equity method basis difference (342) (342)
Balance, end of period $ 1,231 $ 2,444