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Equity Investments (Details Narrative) - USD ($) |  | 3 Months Ended | 9 Months Ended |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 02, 2021 | Apr. 30, 2021 | Apr. 30, 2020 | Apr. 30, 2021 | Apr. 30, 2020 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 15, 2021 | Dec. 07, 2020 | Sep. 24, 2020 | Jul. 31, 2020 | Jun. 30, 2016
Entity Listings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Equity Method Investments |  |  |  | $ 4,000,000 |  |  |  |  |  |  |  |
Investment propotional interest | $ 2,700,000 |  |  |  |  |  |  |  |  |  |  |
Estimated life of investment |  |  |  | This basis difference is being amortized over the 6-year estimated life of the customer list. |  |  |  |  |  |  |  |
Visa Series C Convertible Participating Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |
Entity Listings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Owned shares |  |  |  |  |  |  |  |  |  |  |  | 1,830
Convertible shares |  |  |  |  |  |  |  |  |  |  | 13.722 |
Carrying value of shares increased |  | $ 400,000 |  | $ 400,000 | 14,000 |  |  |  |  |  |  |
Carrying value of shares decreased |  |  | $ 400,000 |  |  |  |  |  |  |  |  |
Visa Series A Convertible Participating Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |
Entity Listings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Owned shares |  |  |  |  |  |  |  |  |  | 125 |  |
Convertible shares |  |  |  |  |  |  |  |  |  | 6.861 |  |
Visa Series A Convertible Participating Preferred Stock [Member] | Visa Class A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |
Entity Listings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Owned shares |  |  |  |  |  |  |  |  |  | 12,500 |  |
Series B Convertible Preferred Stock [Member] | Equity Method Investee [Member] |  |  |  |  |  |  |  |  |  |  |  |
Entity Listings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Equity Method Investments | $ 4,000,000.0 |  |  | $ 4,000,000 |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage | 23.95% |  |  |  |  |  |  |  |  |  |  |
Rafael Holdings Inc. [Member] | Class B Common [Member] |  |  |  |  |  |  |  |  |  |  |  |
Entity Listings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Owned shares |  |  |  |  |  |  |  |  | 218,245 |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  |  |  |  |  |  |  | 43,649 | 43,649 |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  |  |  |  |  |  | $ 22.91 |  |  |
Investment Owned, at Fair Value |  |  |  |  |  |  |  |  | $ 5,000,000.0 |  |  |
Class of warrant, exercise price of warrants |  |  |  |  |  |  |  | $ 1,000,000.0 |  |  |  |
Rafael Holdings Inc. [Member] | Class B Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |
Entity Listings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Owned shares |  | 261,894 |  | 261,894 |  |  |  |  |  |  |  |
Investment Owned, at Fair Value |  |  |  |  |  |  |  |  | $ 4,600,000 |  |  |
Shares Issued, Price Per Share |  |  |  |  |  |  |  |  | $ 22.91 |  |  |
Rafael Holdings Inc. [Member] | Class B Common Stock [Member] | Forecast [Member] |  |  |  |  |  |  |  |  |  |  |  |
Entity Listings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Owned shares |  |  |  |  |  | 43,649 | 218,245 |  |  |  |  |
Rafael Holdings Inc. [Member] | Warrants Class B Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |
Entity Listings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Investment Owned, at Fair Value |  |  |  |  |  |  |  |  | $ 400,000 |  |  |

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