Income Taxes (Summary of Deferred Tax Assets and Liabilities) (Details) - USD ($)	Sep. 30, 2019	Sep. 30, 2018
Income Tax Disclosure [Abstract]
Financial basis in excess of tax basis, principally intangible drilling costs capitalized for financial purposes and expensed for tax purposes	$ 8,885,776	$ 23,885,522
Derivative contracts	619,392
Total deferred tax liabilities	9,505,168	23,885,522
State net operating loss carry forwards	431,977	551,435
AMT credit carry forwards	1,387,042	2,936,457
Asset retirement obligations	459,810	420,761
Deferred directors' compensation	602,394	693,592
Restricted stock expense	119,697	238,477
Derivative contracts		839,573
Business interest limitation	358,110
Other	170,131	117,220
Total Deferred tax assets	3,529,161	5,797,515
Net deferred tax liabilities	$ 5,976,007	$ 18,088,007