Summary of Changes in Equity Method Investments (Details) - USD ($) $ in Thousands			12 Months Ended
	Aug. 10, 2021	Feb. 02, 2021	Jul. 31, 2021	Jul. 31, 2020
EquityInvestmentsDisclosureLineItem [Line Items]
Payments to Acquire Equity Method Investments	$ 1,100		$ 4,000
Equity in the net loss of investee			(1,099)
Series B Convertible Preferred Stock [Member] | Equity Method Investee [Member]
EquityInvestmentsDisclosureLineItem [Line Items]
Balance, beginning of period
Payments to Acquire Equity Method Investments		$ 4,000	4,000
Equity in the net loss of investee			(816)
Amortization of equity method basis difference			(283)
BALANCE, END OF PERIOD			2,901
BALANCE, END OF PERIOD			$ 2,901