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Equity Investments (Details Narrative) - USD ($) |  |  | 1 Months Ended | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Aug. 10, 2021 | Feb. 02, 2021 | Aug. 31, 2022 | Oct. 31, 2022 | Oct. 31, 2021 | Jul. 31, 2022 | Jul. 28, 2022 | Jul. 31, 2021
Proceeds from sale of common stock |  |  |  | $ 11,472,000 | $ 3,867,000 |  |  |
Payments to Acquire Equity Method Investments |  |  |  |  | 1,051,000 |  |  |
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity | $ 1,000,000.0 | $ 3,400,000 |  |  |  |  |  |
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 |  |  |  |  | 1,051,000 |  |  |
Receivable with imputed interest, face amount |  |  |  | $ 3,400,000 |  | $ 2,500,000 |  |
Receivable with imputed interest, effective yield (Interest rate) |  |  |  | 15.00% |  |  |  |
Receivable with imputed interest, face amount |  |  |  | Feb. 28, 2022 |  |  |  |
Unrestricted Common Class B of Rafael Holdings Inc [Member] |  |  |  |  |  |  |  |
Related party shares received |  |  |  | 28,320 |  |  |  |
Owned shares |  |  |  |  |  |  |  | 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 |  |  | $ 1,300,000 |  |  |  |  |
Visa Series C Convertible Participating Preferred Stock [Member] |  |  |  |  |  |  |  |
Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount |  |  |  | $ 27,000 | $ 300,000 |  |  |
Series B Convertible Preferred Stock [Member] | Equity Method Investee [Member] |  |  |  |  |  |  |  |
Payments to Acquire Equity Method Investments |  | $ 4,000,000.0 |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  | 23.95% |  |  |  |  |  |
Series C Convertible Preferred Stock [Member] | Equity Method Investee [Member] |  |  |  |  |  |  |  |
Payments to Acquire Equity Method Investments | $ 1,100,000 |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage | 26.57% |  |  |  |  |  |  |

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