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Supplemental Disclosure of Cash Flow Information
 12 Months Ended
Jun. 30, 2015
Supplemental Cash Flow Elements [Abstract]  
Supplemental Disclosure of Cash Flow Information
Supplemental Disclosure 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

 
$
—