Summary of Changes in Equity Method Investments (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Purchase of convertible preferred stock	$ 840	$ 1,051	$ 4,000
Conversion of secured promissory notes into convertible preferred stock	4,038
Equity in the net loss of investee	(3,095)	(2,951)	(1,099)
Equity Method Investee [Member]
Defined Benefit Plan Disclosure [Line Items]
Balance, beginning of period	1,001	2,901
Purchase of convertible preferred stock	840	1,051	4,000
Conversion of secured promissory notes into convertible preferred stock	4,038
Equity in the net loss of investee	(2,153)	(2,224)	(816)
Amortization of equity method basis difference	(942)	(727)	(283)
BALANCE, END OF PERIOD	$ 2,784	$ 1,001	$ 2,901