Income Taxes (Summary of Deferred Tax Assets and Liabilities) (Details) - USD ($)	Sep. 30, 2021	Sep. 30, 2020
Income Tax Disclosure [Abstract]
Financial basis in excess of tax basis, principally intangible drilling costs capitalized for financial purposes and expensed for tax purposes	$ 4,090,017	$ 3,880,307
Total deferred tax liabilities	4,090,017	3,880,307
State net operating loss carry forwards	238,439	391,193
Federal net operating loss carry forwards		369,523
Statutory depletion carryover	286,440	346,414
Asset retirement obligations	483,990	499,708
Deferred directors' compensation	390,683	436,225
Restricted stock expense	303,674	220,301
Derivative contracts	3,278,067	176,963
Other	91,717	110,973
Total deferred tax assets	5,073,010	2,551,300
Deferred tax asset valuation allowance	1,251,096
State NOL valuation allowance	75,803
Net deferred tax liabilities	$ 343,906	$ 1,329,007