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Summary of Significant Accounting Policies (Details 5) (USD $)
12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2010
Summary of impairments associated with certain assets measured at fair value on a nonrecurring basis within Level 3      
Producing Properties, Fair Value $ 1,301,951 $ 1,811,709  
Producing Properties, Impairment $ 826,508 $ 1,728,162 $ 605,615