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v3.25.2

Schedule of Effective Income Tax Rate Reconciliation (Details) | 12 Months Ended
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Apr. 30, 2025 | Apr. 30, 2024
Income Tax Disclosure [Abstract] |  |
Computed expected tax benefit | (21.00%) | (21.00%)
State income taxes, net of federal benefit | (3.70%) | (3.50%)
Federal research and development tax credits |  | (1.10%)
Foreign rate differential |  |
Other non-deductible expenses | (0.10%) | 0.40%
Proceeds of sale of New Jersey tax benefits | (3.60%) | (3.40%)
Expiration of net operating loss due to dissolution of subsidiary | 8.80% |
Other expiration of net operating loss | 6.70% | 4.50%
Increase in valuation allowance | 8.30% | 19.80%
Income tax (benefit) | (4.60%) | (4.30%)

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