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Asset Retirement Obligations (Tables) | 12 Months Ended
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Jun. 30, 2013
Asset Retirement Obligations |
Schedule of reconciliation of the beginning and ending asset retirement obligation |
|  | Year Ended |
--- | --- | --- | ---
|  | 2013 |  | 2012 |
Asset retirement obligations—beginning of period |  | $ | 968,677 |  | $ | 859,586 |
Liabilities incurred |  |  | 60,143 |  |  | 175,943 |
Liabilities settled |  |  | (51,086 | ) |  | (61,936 | )
Liabilities sold |  |  | (439,927 | ) |  | — |
Accretion |  |  | 72,312 |  |  | 77,505 |
Revisions to previous estimates |  |  | 5,432 |  |  | (82,421 | )
Asset retirement obligations—end of period |  | $ | 615,551 |  | $ | 968,677 |

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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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