Provision for Income Taxes - Effective Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Income Tax Disclosure [Abstract]
Income taxes at the federal statutory rate	$ 1,654	$ 187
State taxes, net	(200)	(536)
Other permanent items	(1,104)	(292)
Income tax expense (benefit)	$ 350	$ (641)