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Summary of Changes in Equity Method Investments (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jan. 31, 2025
Jan. 31, 2024
Jan. 31, 2025
Jan. 31, 2024
Defined Benefit Plan Disclosure [Line Items]        
Purchase of convertible preferred stock     $ 673 $ 1,009
Equity in the net loss of investee $ (479) $ (848) (1,259) (1,861)
Equity Method Investee [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Balance, beginning of period 1,231 2,444 1,338 2,784
Purchase of convertible preferred stock 336 673 1,009
Equity in the net loss of investee (137) (506) (574) (1,176)
Amortization of equity method basis difference (342) (342) (685) (685)
Balance, end of the period $ 752 $ 1,932 $ 752 $ 1,932