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Supplemental Disclosures about Oil and Natural Gas Producing Properties (unaudited) (Details) (USD $)
12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
Supplemental Disclosures about Oil and Natural Gas Producing Properties (unaudited)      
Oil and natural gas property costs attributable to the recognition of asset retirement obligations $ 93,522 $ 15,000 $ 85,871
Property acquisition costs:      
Proved property 115,637 465,176 391,785
Unproved property 5,544,217 523,591 185,154
Exploration costs 3,016,924 215,660 2,354,239
Development costs 238,463 2,200,905 890,116
Total costs incurred for oil and natural gas activities $ 8,915,241 $ 3,405,332 $ 3,821,294