Supplementary Information on Oil, Ngl and Natural Gas Reserves (Unaudited) (Details) (USD $)	Sep. 30, 2012	Sep. 30, 2011
Aggregate Capitalized Costs
Producing properties	$ 275,997,569	$ 230,554,198
Non-producing minerals	9,018,731	8,792,980
Non-producing leasehold	1,123,812	1,102,988
Exploratory wells in progress	8,018	1,204,382
Gross capitalized costs	286,148,130	241,654,548
Accumulated depreciation, depletion and amortization	(164,652,199)	(145,664,726)
Net capitalized costs	$ 121,495,931	$ 95,989,822