Equity Investments (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands					1 Months Ended		2 Months Ended	12 Months Ended
	Jul. 27, 2023	Jul. 31, 2022	Aug. 10, 2021	Feb. 02, 2021	Aug. 31, 2022	Jun. 30, 2021	Oct. 11, 2023	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021	May 31, 2023	Apr. 06, 2023	Nov. 30, 2022	Jul. 28, 2022	Mar. 15, 2021	Dec. 07, 2020	Sep. 24, 2020	Jul. 31, 2020	Jun. 30, 2016
Proceeds from sale of common stock								$ 49,211	$ 21,157	$ 26,230
Purechase of preferred stock								840	1,051	4,000
Equity method investment, aggregate cost								$ 8,200
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]
Purechase of preferred stock								$ 840	1,051	$ 4,000
Increase in secured debt including accrued interest		$ 2,500							$ 2,500			$ 4,000
Receivable with imputed interest, effective yield (Interest rate)		15.00%
Equity Method Investee [Member] | February Two Thousand Twenty Three [Member]
Receivable with imputed interest, due date								Feb. 28, 2023
Equity Method Investee [Member] | April Two Thousand Twenty Three [Member]
Receivable with imputed interest, due date								Apr. 30, 2023
EMI Preferred Stock [Member]
Purechase of preferred stock								$ 800
Equity method investment, ownership percentage											33.30%
Preferred Stock [Member] | Equity Method Investee [Member]
Purechase of preferred stock	$ 1,000
Preferred Stock [Member] | Equity Method Investee [Member] | Forecast [Member]
Purechase of preferred stock							$ 700
Rafael Holdings Inc. [Member]
Investment Owned, at Fair Value																$ 5,000
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										261,894			11,404			218,245
Class of Warrant or Right, Number of Securities Called by Warrants or Rights																43,649
Class of Warrant or Right, Exercise Price of Warrants or Rights																$ 22.91
Investment Owned, at Fair Value																$ 4,600
Shares Issued, Price Per Share																$ 22.91
Warrants Class B Common Stock [Member] | Rafael Holdings Inc. [Member]
Investment Owned, at Fair Value																$ 400
Class B Common [Member] | Rafael Holdings Inc. [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights															43,649
Class of warrant, exercise price of warrants															$ 1,000
Visa Series C Convertible Participating Preferred Stock [Member]
Owned shares																			1,830
Convertible Preferred Stock, Shares Issued upon Conversion																		13.722
Visa Series A Convertible Participating Preferred Stock [Member]
Owned shares					58	125								58			125
Convertible Preferred Stock, Shares Issued upon Conversion														3.645			6.861
Visa Series A Convertible Participating Preferred Stock [Member] | Visa Class A Common Stock [Member]
Owned shares					5,800	12,500
Proceeds from sale of common stock					$ 1,300	$ 2,900
Series B Convertible Preferred Stock [Member] | Equity Method Investee [Member]
Purechase of preferred stock				$ 4,000
Equity method investment, ownership percentage				23.95%
Series C Convertible Preferred Stock [Member] | Equity Method Investee [Member]
Purechase of preferred stock			$ 1,100
Equity method investment, ownership percentage			26.57%