IncomeTaxes (Details) - Deferred income tax liabilities - USD ($)	Sep. 30, 2023	Sep. 30, 2022
Deferred tax assets (liabilities):
Deferred tax assets (liabilities)	$ (439,400)	$ (424,900)
Domestic Tax Authority [Member]
Deferred tax assets (liabilities):
Deferred tax assets (liabilities)	(382,400)	(377,800)
State and Local Jurisdiction [Member]
Deferred tax assets (liabilities):
Deferred tax assets (liabilities)	$ (57,000)	$ (47,100)