IncomeTaxes (Details) - Deferred income tax liabilities consisted of the following temporary differences - USD ($)	Sep. 30, 2023	Sep. 30, 2022
Deferred Income Tax Liabilities Consisted Of The Following Temporary Differences Abstract
Depreciation	$ (478,800)	$ (525,400)
Unrealized gain on investments
Total gross deferred tax liabilities	(478,800)	(525,400)
Vacation accrual	700	34,400
Federal benefit of state taxes	38,700	66,100
Total gross deferred tax assets	39,400	100,500
Total	$ (439,400)	$ (424,900)