Statements Of Operations (USD $)	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Revenues:
Oil, NGL and natural gas sales	$ 60,605,878	$ 40,818,434	$ 43,469,130
Lease bonuses and rentals	938,846	7,152,991	352,757
Gains (losses) on derivative contracts	611,024	73,822	734,299
Income from partnerships	733,372	487,070	420,465
Total revenues	62,889,120	48,532,317	44,976,651
Costs and expenses:
Lease operating expenses	11,861,403	9,141,970	8,441,754
Production taxes	1,834,840	1,449,537	1,456,755
Exploration costs	9,795	979,718	1,025,542
Depreciation, depletion and amortization	21,945,768	19,061,239	14,712,188
Provision for impairment	530,670	826,508	1,728,162
Loss (gain) on asset sales, interest and other	(785,401)	39,493	(68,325)
General and administrative	6,801,996	6,388,856	5,994,663
Total costs and expenses	42,199,071	37,887,321	33,290,739
Income (loss) before provision (benefit) for income taxes	20,690,049	10,644,996	11,685,912
Provision (benefit) for income taxes	6,730,000	3,274,000	3,192,000
Net income (loss)	$ 13,960,049	$ 7,370,996	$ 8,493,912
Basic and diluted earnings per common share:
Net income (loss)	$ 1.67	$ 0.88	$ 1.01