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, 2013	Sep. 30, 2012
Supplementary Information On Oil, Ngl And Natural Gas Reserves [Abstract]
Producing properties	$ 304,889,145	$ 275,997,569
Non-producing minerals	8,490,277	9,018,731
Non-producing leasehold	442,628	1,123,812
Exploratory wells in progress		8,018
Gross capitalized costs	313,822,050	286,148,130
Accumulated depreciation, depletion and amortization	(186,042,746)	(164,652,199)
Net capitalized costs	$ 127,779,304	$ 121,495,931