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Equity Investments (Details Narrative) - USD ($) $ in Thousands			1 Months Ended	3 Months Ended		6 Months Ended
	Aug. 10, 2021	Feb. 02, 2021	Aug. 31, 2022	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2023	Jan. 31, 2022	Nov. 30, 2022	Jul. 31, 2022	Jul. 28, 2022	Jul. 31, 2021
Proceeds from sale of common stock						$ 27,531	$ 6,068
Payments to Acquire Equity Method Investments							1,051
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity	$ 1,000	$ 3,400
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity, Accounting Treatment				These basis differences are being amortized over the 6-year estimated life of the customer list.
Equity Method Investee [Member]
Payments to Acquire Equity Method Investments							1,051
Receivable with imputed interest, face amount				$ 3,700		3,700			$ 2,500
Receivable with imputed interest, effective yield (Interest rate)				15.00%
Receivable with imputed interest, face amount				Feb. 28, 2023
Unrestricted Common Class B of Rafael Holdings Inc [Member]
Related party shares received				28,320
Class B Common Stock [Member] | Rafael Holdings Inc. [Member]
Owned shares								11,404			261,894
Visa Series A Convertible Participating Preferred Stock [Member]
Owned shares			58							58
Convertible Preferred Stock, Shares Issued upon Conversion										3.645
Visa Series A Convertible Participating Preferred Stock [Member] | Visa Class A Common Stock [Member]
Owned shares			5,800
Proceeds from sale of common stock			$ 1,300
Visa Series C Convertible Participating Preferred Stock [Member]
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount				$ 100	$ 100	$ 100
Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount							$ 200
Series B Convertible Preferred Stock [Member] | Equity Method Investee [Member]
Payments to Acquire Equity Method Investments		$ 4,000
Equity Method Investment, Ownership Percentage		23.95%
Series C Convertible Preferred Stock [Member] | Equity Method Investee [Member]
Payments to Acquire Equity Method Investments	$ 1,100
Equity Method Investment, Ownership Percentage	26.57%

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