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Asset Retirement Obligations (Tables) | 6 Months Ended
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Dec. 31, 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 six months ended December 31, 2014, and for the year ended June 30, 2014:
| December 31, 2014 |  | June 30, 2014
Asset retirement obligations — beginning of period | $ | 352,215 |  |  | $ | 615,551 |
Liabilities sold | (52,526 | ) |  | (48,273 | )
Liabilities incurred (a) | 562,485 |  |  | — |
Liabilities settled | (137,604 | ) |  | (323,665 | )
Accretion of discount | 12,773 |  |  | 41,626 |
Revision of previous estimates | — |  |  | 66,976 |
Less obligations due within one year | (10,219 | ) |  | (146,703 | )
Asset retirement obligations — end of period | $ | 727,124 |  |  | $ | 205,512 |

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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859 + Details
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