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Income Taxes - Summary of Reconciliation of Income Tax to Statutory Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2023
Income Tax Disclosure [Abstract]
Tax provision at statutory rate	$ 4,814	$ (8,428)	$ 5,417
State taxes, net of federal benefit	408	(1,204)	774
Permanent differences	(410)	(227)	(558)
Provision to return	(1,183)	0	0
Related Finance Company provision/(benefit)	1,083	0	0
Other, net	157	1,117	(271)
Total	$ 4,869	$ (8,742)	$ 5,362

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