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Equity Investments (Tables) | 3 Months Ended
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Oct. 31, 2021
Cash and Cash Equivalents [Abstract] |
Schedule of Equity Investments | Equity investments consist of the following: Schedule of Equity Investments
|  | October 31, 2021 |  |  | July 31, 2021 |
|  | (in thousands) |  |  |  |
Zedge, Inc. Class B common stock, 42,282 shares at October 31, 2021 and July 31, 2021 |  | $ | 488 |  |  | $ | 649 |
Rafael Holdings, Inc. Class B common stock, 290,214 and 246,565 shares at October 31, 2021 and July 31, 2021, respectively |  |  | 2,194 |  |  |  | 12,479 |
Rafael Holdings, Inc. restricted Class B common stock, nil and 43,649 shares at October 31, 2021 and July 31, 2021, respectively |  |  | — |  |  |  | 2,209 |
Other marketable equity securities |  |  | 5,186 |  |  |  | 3,630 |
Fixed income mutual funds |  |  | 23,276 |  |  |  | 23,467 |
Current equity investments |  | $ | 31,144 |  |  | $ | 42,434 |
Visa Inc. Series C Convertible Participating Preferred Stock (“Visa Series C Preferred”) |  | $ | 2,119 |  |  | $ | 2,465 |
Series B and Series C convertible preferred stock—equity method investment |  |  | 3,329 |  |  |  | 2,901 |
Hedge funds |  |  | 2,814 |  |  |  | 3,563 |
Other |  |  | 1,225 |  |  |  | 2,725 |
Noncurrent equity investments |  | $ | 9,487 |  |  | $ | 11,654 |
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 |
|  | Three Months Ended October 31, |
|  | 2021 |  |  | 2020 |
|  | (in thousands) |
Balance, beginning of period |  | $ | 2,743 |  |  | $ | 4,109 |
Redemption for Visa mandatory release assessment |  |  | — |  |  |  | (1,870 | )
Adjustment for observable transactions involving a similar investment from the same issuer |  |  | (346 | ) |  |  | (130 | )
Impairments |  |  | — |  |  |  | — |
Balance, end of the period |  | $ | 2,397 |  |  | $ | 2,109 |
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 |
|  | Three Months Ended October 31, |
|  | 2021 |  |  | 2020 |
|  | (in thousands) |
Net losses recognized during the period on equity investments |  | $ | (14,494 | ) |  | $ | (920 | )
Less: net gains and losses recognized during the period on equity investments sold during the period |  |  | — |  |  |  | — |
Unrealized losses recognized during the period on equity investments still held at the reporting date |  | $ | (14,494 | ) |  | $ | (920 | )
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
|  | Three Months Ended October 31, |
|  | 2021 |  |  | 2020 |
|  | (in thousands) |
Balance, beginning of period |  | $ | 2,901 |  |  | $ | — |
Purchase of convertible preferred stock |  |  | 1,051 |  |  |  | — |
Equity in the net loss of investee |  |  | (441 | ) |  |  | — |
Amortization of equity method basis difference |  |  | (182 | ) |  |  | — |
Balance, end of period |  | $ | 3,329 |  |  | $ | — |
Summary of Statements of Operations | Summarized financial information of the EMI was as follows: Summary of Statements of Operations
|  | Three Months Ended October 31, |
|  | 2021 |  |  | 2020 |
|  | (in thousands) |
Revenues |  | $ | 1,691 |  |  | $ | — |
Costs and expenses: |  |  |  |  |  |  |  |
Direct cost of revenues |  |  | 1,462 |  |  |  | — |
Selling, general and administrative |  |  | 1,889 |  |  |  | — |
Depreciation and amortization |  |  | - |  |  |  | - |
Severance |  |  | - |  |  |  | - |
Total costs and expenses |  |  | 3,351 |  |  |  | — |
Loss from operations |  |  | (1,660 | ) |  |  | — |
Other expense |  |  | (1 | ) |  |  | — |
Net loss |  | $ | (1,661 | ) |  | $ | — |

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