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Supplemental Disclosure of Cash Flow Information (Tables) | 12 Months Ended
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Jun. 30, 2015
Supplemental Cash Flow Elements [Abstract] |
Schedule of supplemental disclosures of cash flow information | Our supplemental disclosures of cash flow information for the years ended June 30, 2015, 2014, and 2013 are as follows:
| June 30,
| 2015 |  | 2014 |  | 2013
Income taxes paid | $ | 220,000 |  |  | $ | 755,941 |  |  | $ | 699,874 |
Income tax refunds | 331,733 |  |  | — |  |  | — |
Non-cash transactions: |  |  |  |  |
Change in accounts payable used to acquire property and equipment | 5,422,566 |  |  | (183,766 | ) |  | (1,535,322 | )
Oil and natural gas property costs attributable to the recognition of asset retirement obligations | 576,039 |  |  | 66,976 |  |  | 65,575 |
Accrued purchases of treasury stock | 170,283 |  |  | — |  |  | — |
Previously acquired Company shares swapped by holders to pay stock option exercise price | $ | — |  |  | $ | 618,606 |  |  | $ | — |

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