Condensed Statements Of Operations (USD $)	3 Months Ended		6 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Revenues:
Oil, NGL and natural gas sales	$ 12,437,549	$ 21,108,301	$ 31,957,249	$ 39,581,383
Lease bonuses and rentals	253,050	19,717	282,341	215,946
Gains (losses) on derivative contracts	1,900,162	(1,587,029)	13,150,427	(2,083,930)
Income from partnerships	88,273	211,056	288,187	435,402
Total revenues	14,679,034	19,752,045	45,678,204	38,148,801
Costs and expenses:
Lease operating expenses	4,376,996	3,653,000	9,162,346	6,968,397
Production taxes	399,157	706,033	1,021,669	1,277,597
Exploration costs	3,105	24,429	28,457	63,184
Depreciation, depletion and amortization	5,811,590	4,939,834	11,950,609	10,247,853
Provision for impairment	1,208,645	227,152	3,400,642	430,143
Loss (gain) on asset sales and other	(7,145)	104,644	(9,127)	27,189
Interest expense	409,276		812,009
General and administrative	1,850,203	1,651,380	3,808,631	3,524,547
Total costs and expenses	14,051,827	11,306,472	30,175,236	22,538,910
Income before provision (benefit) for income taxes	627,207	8,445,573	15,502,968	15,609,891
Provision (benefit) for income taxes	(77,000)	2,791,000	4,565,000	5,029,000
Net income	$ 704,207	$ 5,654,573	$ 10,937,968	$ 10,580,891
Basic and diluted earnings per common share (Note 3)	$ 0.04	$ 0.34	$ 0.65	$ 0.63
Basic and diluted weighted average shares outstanding:
Common shares	16,514,435	16,473,344	16,504,512	16,468,522
Unissued, directors' deferred compensation shares	266,066	252,102	265,503	251,424
Basic and diluted weighted average shares outstanding	16,780,501	16,725,446	16,770,015	16,719,946
Dividends declared per share of common stock and paid in period	$ 0.04	$ 0.04	$ 0.08	$ 0.08