Income Taxes (Details) - Deferred income tax liabilities - USD ($)	Sep. 30, 2021	Sep. 30, 2020
Deferred tax assets (liabilities):
Deferred tax assets (liabilities)	$ (443,300)	$ (423,100)
Domestic Tax Authority [Member]
Deferred tax assets (liabilities):
Deferred tax assets (liabilities)	(390,800)	(366,400)
State and Local Jurisdiction [Member]
Deferred tax assets (liabilities):
Deferred tax assets (liabilities)	$ (52,500)	$ (56,700)