Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Cash Flows From Operating Activities
Net income attributable to the Company	$ 4,991,857	$ 3,597,313	$ 6,628,428
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	3,664,373	1,272,778	1,341,055
Stock-based compensation	943,653	1,352,322	1,531,745
Stock-based compensation related to restructuring	0	376,365	0
Accretion of discount on asset retirement obligations	34,866	41,626	72,312
Settlement of asset retirement obligations	(223,564)	(315,952)	(90,531)
Deferred income taxes	1,422,489	1,344,812	2,512,978
Deferred rent	(17,145)	(17,145)	(17,146)
Loss on derivative instruments, net	109,974	0	0
Changes in operating assets and liabilities:
Receivables from oil and natural gas sales	(1,666,009)	176,707	(289,506)
Receivables from income taxes and other	748	281,822	(189,813)
Due from joint interest partners	0	49,063	47,088
Prepaid expenses and other current assets	378,049	(480,899)	(33,121)
Accounts payable and accrued expenses	551,452	663,645	278,436
Income taxes payable	190,032	(233,548)	141,581
Net cash provided by operating activities	10,380,775	8,108,909	11,933,506
Cash flows from investing activities
Proceeds from asset sales	398,242	542,347	3,479,976
Development of oil and natural gas properties	(4,890,909)	(966,931)	(4,163,080)
Acquisitions of oil and natural gas properties	0	(59,315)	(755,194)
Capital expenditures for technology and other equipment	(313,059)	(312,890)	0
Maturities of certificates of deposit	0	250,000	0
Other assets	(236,559)	(202,017)	(32,160)
Net cash used by investing activities	(5,042,285)	(748,806)	(1,470,458)
Cash flows from financing activities
Proceeds from the exercise of stock options	141,600	3,252,801	70,719
Acquisitions of treasury stock	(333,841)	(1,655,251)	(137,818)
Common stock dividends paid	(9,833,642)	(9,723,833)	0
Preferred stock dividends paid	(674,302)	(674,302)	(674,302)
Deferred loan costs	(94,075)	(63,535)	(16,211)
Tax benefits related to stock-based compensation	1,633,946	509,096	794,569
Other	67	6,850	32
Net cash provided (used) by financing activities	(9,160,247)	(8,348,174)	36,989
Net increase (decrease) in cash and cash equivalents	(3,821,757)	(988,071)	10,500,037
Cash and cash equivalents, beginning of year	23,940,514	24,928,585	14,428,548
Cash and cash equivalents, end of year	$ 20,118,757	$ 23,940,514	$ 24,928,585