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Asset Retirement Obligations (Details) (USD $)
3 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Reconciliation of the beginning and ending asset retirement obligation    
Asset retirement obligations - beginning of period $ 968,677  
Liabilities incurred 3,126  
Accretion of discount 21,107 16,972
Revisions to previous estimates 5,432  
Asset retirement obligations - end of period $ 998,342