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Investments in Marketable Securities (Tables) | 12 Months Ended
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Jul. 31, 2025
Investments in Marketable Securities [Abstract] |
Schedule of Available-for-Sale Securities | The amortized cost, gross unrealized holding gains, gross unrealized holding losses, and fair value for available-for-sale securities as of July 31, 2024 are as follows:
July 31, 2024 |  | Amortized cost |  |  | Gross unrealized gains |  |  | Gross unrealized (losses) |  |  | Fair value |
|  | (in thousands) |
Available-for-sale securities: |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury Bills |  | $ | 3,969 |  |  | $ | — |  |  | $ | (2 | ) |  | $ | 3,967 |
U.S. Agency |  |  | 4,079 |  |  |  | — |  |  |  | (3 | ) |  |  | 4,076 |
Corporate bonds |  |  | 55,252 |  |  |  | 2 |  |  |  | (32 | ) |  |  | 55,222 |
Total available-for-sale securities |  | $ | 63,300 |  |  | $ | 2 |  |  | $ | (37 | ) |  | $ | 63,265 |

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- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
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