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v3.26.1

Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Apr. 30, 2026 | Apr. 30, 2025
--- | --- | ---
Deferred tax assets |  |
Accrued payroll | $ 7,165 | $ 7,483
Other accruals & reserves | 2,909 | 3,423
Operating lease liability | 13,625 | 13,696
Deferred revenue | 3,368 | 1,354
Net operating losses | 243,715 | 179,554
R&D tax credit | 24,156 | 20,396
Stock based compensation | 15,201 | 15,710
Capitalized R&D expenditure | 105,857 | 93,759
Other | 361 | 362
Gross deferred tax assets | 416,357 | 335,737
Valuation allowance | (400,447) | (320,939)
Total deferred tax assets | 15,910 | 14,798
Deferred tax liabilities |  |
Prepaid expenses | (4,523) | (1,774)
Depreciation | (7,025) | (8,635)
Operating lease right-of-use assets | (4,362) | (4,389)
Total deferred tax liabilities | (15,910) | (14,798)
Net deferred tax assets (liabilities) | $ 0 | $ 0

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