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Income Taxes - Schedule of Deferred Tax Assets and Deferred Tax Liabilities (Details) - USD ($) $ in Thousands | Jul. 31, 2025 | Jul. 31, 2024
--- | --- | ---
Deferred tax assets: |  |
Net operating loss carryforwards | $ 85,847 | $ 61,204
Federal tax credits, net of uncertain tax position | 16,910 | 6,145
Capitalized Sec. 174 research and experimental expenditures | 29,117 | 3,121
Stock-based compensation | 2,354 | 2,486
Depreciation | 340 | 286
Reserves and accruals | 647 | 249
Charitable contributions | 346 | 141
Related party interest | 853 |
Disallowed interest expense | 1,008 |
Gross deferred tax assets | 137,422 | 73,632
Less valuation allowance | (128,403) | (71,275)
Total deferred tax assets, net of valuation allowance | 9,019 | 2,357
Deferred tax liabilities: |  |
Unrealized gain | (199) | (2,327)
Intangible assets | (8,958) | (30)
Total deferred tax liabilities: | (9,157) | (2,357)
Deferred tax liability, net | $ (138) |

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