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Investments in Marketable Securities (Details) - Schedule of Available-for-Sale Securities - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2023 | Jul. 31, 2023
Investments in Marketable Securities (Details) - Schedule of Available-for-Sale Securities [Line Items] |  |
Amortized cost | $ 58,898 | $ 57,988
Gross unrealized gains | 17 | 4,386
Gross unrealized (losses) | (21) | (4,660)
Fair value | 58,894 | 57,714
U.S. Treasury Bills [Member]] |  |
Investments in Marketable Securities (Details) - Schedule of Available-for-Sale Securities [Line Items] |  |
Amortized cost | 12,421 | 11,222
Gross unrealized gains |  | 53
Gross unrealized (losses) | (3) |
Fair value | 12,418 | 11,275
U.S. Agency [Member] |  |
Investments in Marketable Securities (Details) - Schedule of Available-for-Sale Securities [Line Items] |  |
Amortized cost | 1,458 |
Gross unrealized gains |  |
Gross unrealized (losses) | (1) |
Fair value | 1,457 |
Corporate bonds [Member]] |  |
Investments in Marketable Securities (Details) - Schedule of Available-for-Sale Securities [Line Items] |  |
Amortized cost | 45,019 | 46,766
Gross unrealized gains | 17 | 4,333
Gross unrealized (losses) | (17) | (4,660)
Fair value | $ 45,019 | $ 46,439

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