Statements Of Operations - USD ($)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Revenues:
Oil, NGL and natural gas sales	$ 54,533,914	$ 82,846,528	$ 60,605,878
Lease bonuses and rentals	2,010,395	423,328	938,846
Gains (losses) on derivative contracts	13,822,506	247,414	611,024
Income from partnerships	515,278	893,954	733,372
Total revenues	70,882,093	84,411,224	62,889,120
Costs and expenses:
Lease operating expenses	17,472,408	13,912,792	11,861,403
Production taxes	1,702,302	2,694,118	1,834,840
Exploration costs	48,404	86,017	9,795
Depreciation, depletion and amortization	23,821,139	21,896,902	21,945,768
Provision for impairment	5,009,191	1,096,076	530,670
Loss (gain) on asset sales and other	(398,994)	8,378	(942,959)
Interest expense	1,550,483	462,296	157,558
General and administrative	7,339,320	7,433,183	6,801,996
Bad debt expense (recovery)	180,499	0
Total costs and expenses	56,724,752	47,589,762	42,199,071
Income (loss) before provision (benefit) for income taxes	14,157,341	36,821,462	20,690,049
Provision (benefit) for income taxes	4,836,000	11,820,000	6,730,000
Net income (loss)	$ 9,321,341	$ 25,001,462	$ 13,960,049
Basic and diluted earnings (loss) per common share	$ 0.56	$ 1.49	$ 0.84