Income Taxes (Summary of Deferred Tax Assets and Liabilities) (Details) - USD ($)	Sep. 30, 2015	Sep. 30, 2014
Income Taxes [Abstract]
Financial basis in excess of tax basis, principally intangible drilling costs capitalized for financial purposes and expensed for tax purposes	$ 41,880,691	$ 40,052,983
Derivative contracts	1,637,987	739,817
Total deferred tax liabilities	43,518,678	40,792,800
State net operating loss carry forwards	323,536	498,539
AMT credit carry forwards	164,478
Deferred directors' compensation	1,149,217	1,159,355
Restricted stock expense	457,934	475,561
Other	787,506	695,338
Total Deferred tax assets	2,882,671	2,828,793
Net deferred tax liabilities	$ 40,636,007	$ 37,964,007