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Equity Investments (Tables) | 9 Months Ended
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Apr. 30, 2021
Cash and Cash Equivalents [Abstract] |
Schedule of Equity Investments | Equity investments consist of the following: Schedule of Equity Investments
|  | April 30, 2021 |  |  | July 31, 2020 |
|  | (in thousands) |
Zedge, Inc. Class B common stock, 42,282 shares at April 30, 2021 and July 31, 2020 |  | $ | 562 |  |  | $ | 59 |
Rafael Holdings, Inc. Class B common stock, 28,320 and 27,806 shares at April 30, 2021 and July 31, 2020, respectively |  |  | 1,171 |  |  |  | 389 |
Rafael Holdings, Inc. restricted Class B common stock, 261,894 and nil shares at April 30, 2021 and July 31, 2020, respectively |  |  | 10,827 |  |  |  | — |
Other marketable equity securities |  |  | 1,956 |  |  |  | — |
Fixed income mutual funds |  |  | 23,070 |  |  |  | 5,516 |
Current equity investments |  | $ | 37,586 |  |  | $ | 5,964 |
Visa Inc. Series C Convertible Participating Preferred Stock (“Visa Series C Preferred”) |  | $ | 2,343 |  |  | $ | 3,825 |
Visa Inc. Series A Convertible Participating Preferred Stock (“Visa Series A Preferred”) |  |  | 2,920 |  |  |  | — |
Series B convertible preferred stock in equity method investment |  |  | 3,472 |  |  |  | — |
Hedge funds |  |  | 3,462 |  |  |  | 4,783 |
Other |  |  | 2,725 |  |  |  | 225 |
Noncurrent equity investments |  | $ | 14,922 |  |  | $ | 8,833 |
Schedule of Carrying Value of Equity Investments | The changes in the carrying value of the Company’s equity investments without readily determinable fair values for which the Company elected the measurement alternative was as follows: Schedule of Carrying Value of Equity Investments
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
|  | Three Months Ended April 30, |  |  | Nine Months Ended April 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
|  | (in thousands) |
Balance, beginning of period |  | $ | 2,223 |  |  | $ | 4,345 |  |  | $ | 4,109 |  |  | $ | 3,919 |
Redemption for Visa mandatory release assessment |  |  | — |  |  |  | — |  |  |  | (1,870 | ) |  |  | — |
Adjustment for observable transactions involving a similar investment from the same issuer |  |  | 404 |  |  |  | (412 | ) |  |  | 388 |  |  |  | 14 |
Redemptions |  |  | (6 | ) |  |  | — |  |  |  | (6 | ) |  |  | — |
Impairments |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Balance, end of the period |  | $ | 2,621 |  |  | $ | 3,933 |  |  | $ | 2,621 |  |  | $ | 3,933 |
Schedule of Unrealized (losses) Gains for All Equity Investments | Unrealized gains and losses for all equity investments included the following: Schedule of Unrealized (losses) Gains for All Equity Investments
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
|  | Three Months Ended April 30, |  |  | Nine Months Ended April 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
|  | (in thousands) |
Net gains (losses) recognized during the period on equity investments |  | $ | 5,435 |  |  | $ | (1,226 | ) |  | $ | 5,822 |  |  | $ | (817 | )
Less: net gains and losses recognized during the period on equity investments sold during the period |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Unrealized gains (losses) recognized during the period on equity investments still held at the reporting date |  | $ | 5,435 |  |  | $ | (1,226 | ) |  | $ | 5,822 |  |  | $ | (817 | )
Summary of Changes in Equity Method Investments | The following table summarizes the change in the balance of the Company’s equity method investment: Summary of Changes in Equity Method Investments
|  | Nine Months Ended April 30, |
|  | 2021 |  |  | 2020 |
|  | (in thousands) |
Balance, beginning of period |  | $ | — |  |  | $ | — |
Purchase of series B convertible preferred stock |  |  | 4,000 |  |  |  | — |
Equity in the net loss of investee |  |  | (386 | ) |  |  | — |
Amortization of equity method basis difference |  |  | (142 | ) |  |  | — |
Balance, end of period |  | $ | 3,472 |  |  | $ | — |
Summary of Unaudited Statements of Operations | Summarized unaudited statements of operations of the EMI from the date of acquisition was as follows: Summary of Unaudited Statements of Operations
|  | Three Months Ended April 30, |
|  | 2021 |  |  | 2020 |
|  | (in thousands) |
Revenues |  | $ | 718 |  |  | $ | — |
Costs and expenses: |  |  |  |  |  |  |  |
Direct cost of revenues |  |  | 804 |  |  |  | — |
Selling, general and administrative |  |  | 1,525 |  |  |  | — |
Total costs and expenses |  |  | 2,329 |  |  |  | — |
Loss from operations and net loss |  | $ | (1,611 | ) |  | $ | — |

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