Supplementary Information On Oil, Ngl And Natural Gas Reserves (Summary of Capitalized Costs of Oil and Natural Gas Properties and Related Depreciation, Depletion and Amortization) (Details) - USD ($)	Sep. 30, 2015	Sep. 30, 2014
Supplementary Information On Oil, Ngl And Natural Gas Reserves [Abstract]
Producing properties	$ 441,141,337	$ 418,237,512
Non-producing minerals	8,088,134	8,247,509
Non-producing leasehold	204,101	302,631
Exploratory wells in progress	1,762	1,710,577
Gross capitalized costs	449,435,334	428,498,229
Accumulated depreciation, depletion and amortization	(227,165,334)	(204,045,504)
Net capitalized costs	$ 222,270,000	$ 224,452,725