Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
Sep. 30, 2024	Sep. 30, 2023
IncomeTaxes [Line Items]
Total incomes taxes paid	$ 7,860,000	$ 2,300,000
Unrecognized tax benefits	1,376,000	176,000
Additional accruals of interest expense nor penalties	$ 0	$ 0
Effective income tax rate	29.80%	21.90%
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 1,200,000	$ 45,000
Federal [Member]
IncomeTaxes [Line Items]
R&D tax credits carryforwards	0	0
R&D Credits	$ 0	$ 0

IncomeTaxes

No definition available.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit.

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Amount, before refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax.

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Amount of unrecognized tax benefits.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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