Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Income Tax Disclosure [Abstract]
Statutory federal tax rate	21.00%	21.00%	21.00%
Tax Credit Carryforward [Line Items]
Valuation allowance	$ 2,012,000	$ 3,192,000
Unrecognized tax benefits	596,000	$ 496,000	$ 387,000
Unrecognized tax benefits would impact effective tax rate	500,000
Unrecognized tax benefits income tax expense	0
Federal
Tax Credit Carryforward [Line Items]
Net operating losses	13,500,000
State
Tax Credit Carryforward [Line Items]
Net operating losses	$ 70,800,000

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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Net Operating Loss Carryforwards

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