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Asset Retirement Obligations (Tables)
12 Months Ended
Jun. 30, 2014
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of reconciliation of the beginning and ending asset retirement obligation
 
Years Ended
 
2014
 
2013
Asset retirement obligations—beginning of period
$
615,551

 
$
968,677

Liabilities incurred

 
60,143

Liabilities settled
(323,665
)
 
(51,086
)
Liabilities sold
(48,273
)
 
(439,927
)
Accretion of discount
41,626

 
72,312

Revisions to previous estimates
66,976

 
5,432

Less: current asset retirement obligations
(146,703
)
 

Asset retirement obligations—end of period
$
205,512

 
$
615,551