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Leases, Commitments and Contingencies - Additional Information (Detail) - USD ($) | 12 Months Ended
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Apr. 30, 2025 | Apr. 30, 2024
Commitments and Contingencies Disclosure [Abstract] |  |
ROU assets | $ 12,965,000 | $ 7,454,000
Operating lease payments | $ 3,394,000 | 2,594,000
Remaining lease term (in years) | 7 years |
Option to extend, term (in years) | 5 years |
Option to terminate, term (in years) | 1 year |
Operating lease expense | $ 4,433,000 | 3,458,000
Operating lease, short term, expense | $ 1,039,000 | $ 864,000
Operating lease, weighted average remaining lease term (in years) | 4 years 1 month 6 days | 4 years 2 months 12 days
Operating lease, weighted average discount rate (as a percent) | 6.20% | 5.10%
Finance lease, weighted average remaining lease term (in years) | 4 years 2 months 12 days | 4 years 6 months
Finance lease, weighted average discount rate (as a percent) | 8.60% | 8.30%
Lease not yet commenced amount | $ 267,000 |
Term of contract | 5 years |

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