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Equity Investments (Tables) | 12 Months Ended
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Jul. 31, 2020
Equity Investments Disclosure [Abstract] |
Schedule of equity investments |
July 31 (dollars in thousands) |  | 2020 |  |  | 2019 |
Zedge, Inc. Class B common stock, 42,282 shares at July 31, 2020 and 2019 |  | $ | 59 |  |  | $ | 68 |
Rafael Holdings, Inc. Class B common stock, 27,806 and 27,419 shares at July 31, 2020 and 2019, respectively |  |  | 389 |  |  |  | 567 |
Mutual funds |  |  | 5,516 |  |  |  | 5,053 |
Current equity investments |  | $ | 5,964 |  |  | $ | 5,688 |
Visa Series C Preferred |  | $ | 3,825 |  |  | $ | 3,619 |
Hedge funds |  |  | 4,783 |  |  |  | 5,475 |
Other |  |  | 225 |  |  |  | 225 |
Noncurrent equity investments |  | $ | 8,833 |  |  | $ | 9,319 |
Schedule of carrying value of equity investments |
Year ended July 31 (in thousands) |  | 2020 |  |  | 2019 |
Balance, beginning of period |  | $ | 3,919 |  |  | $ | 1,883 |
Adoption of change in accounting for equity investments |  |  | — |  |  |  | 1,213 |
Adjusted balance |  |  | 3,919 |  |  |  | 3,096 |
Adjustment for observable transactions involving a similar investment from the same issuer |  |  | 206 |  |  |  | 826 |
Upward adjustments |  |  | 3 |  |  |  | — |
Redemptions |  |  | (19 | ) |  |  | (3 | )
Impairments |  |  | — |  |  |  | — |
BALANCE, END OF PERIOD |  | $ | 4,109 |  |  | $ | 3,919 |
Schedule of unrealized gains and losses for all equity investments |
Year ended July 31 (in thousands) |  | 2020 |  |  | 2019 |
Net (losses) gains recognized during the period on equity investments |  | $ | (336 | ) |  | $ | 1,779 |
Less: net gains and losses recognized during the period on equity investments redeemed during the period |  |  | — |  |  |  | — |
Unrealized (losses) gains recognized during the period on equity investments still held at the reporting date |  | $ | (336 | ) |  | $ | 1,779 |

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- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References No definition available. + Details
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