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Accrued Expenses - Schedule of Accrued Expenses, Current (Details) - USD ($) $ in Thousands | Jul. 31, 2025 | Jul. 31, 2024
--- | --- | ---
Accrued expenses, current |  |
Accrued severance expenses | $ 1,179 |
Accrued bonuses | 814 | 654
Accrued professional fees | 407 | 437
Accrued payroll expenses |  | 441
Accrued interest | 235 | 213
Accrued clinical trial expense | 571 |
Other accrued expenses | 98 | 53
Total accrued expenses, current | 3,304 | 1,798
Creditor payable, noncurrent | 3,602 | 2,982
Accrued severance, noncurrent | 293 |
Total accrued expenses, noncurrent | 3,895 | 2,982
Total accrued expenses | $ 7,199 | $ 4,780

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