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Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2024
Effective Income Tax Rate Reconciliation [Line Items]
Deferred tax assets, valuation allowance	$ 52,987	$ 0	$ 0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	0	$ 0
Domestic Tax Jurisdiction
Effective Income Tax Rate Reconciliation [Line Items]
Net operating loss carryforwards	242,000
State Tax Jurisdiction
Effective Income Tax Rate Reconciliation [Line Items]
Net operating loss carryforwards	$ 146,400