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Asset Retirement Obligations (Tables)
3 Months Ended
Sep. 30, 2014
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of reconciliations of the beginning and ending asset retirement obligation balances
The following is a
reconciliation of the beginning and ending asset retirement obligations for the three months ended September 30, 2014, and for the year ended June 30, 2014:
 
September 30,
2014
 
June 30,
2014
Asset retirement obligations — beginning of period
$
352,215

 
$
615,551

Liabilities sold

 
(48,273
)
Liabilities incurred

 

Liabilities settled
(137,604
)
 
(323,665
)
Accretion of discount
4,636

 
41,626

Revision of previous estimates

 
66,976

Less obligations due within one year
(10,219
)
 
(146,703
)
Asset retirement obligations — end of period
$
209,028

 
$
205,512