Income Taxes (Details) - Deferred income tax liabilities consisted of the following temporary differences - USD ($)	Sep. 30, 2019	Sep. 30, 2018
Deferred income tax liabilities consisted of the following temporary differences [Abstract]
Depreciation	$ (533,000)	$ (566,100)
Unrealized gain on investments		(33,200)
Total gross deferred tax liabilities	(533,000)	(599,300)
Vacation accrual	33,000	24,400
Federal benefit of state taxes	55,200	54,600
Total gross deferred tax assets	88,200	79,000
Total	$ (444,800)	$ (520,300)