Condensed Statements Of Operations (USD $)	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Revenues:
Oil, NGL and natural gas sales	$ 21,108,301	$ 14,100,844	$ 39,581,383	$ 26,859,798
Lease bonuses and rentals	19,717	140,941	215,946	515,333
Gains (losses) on derivative contracts	(1,587,029)	(1,811,359)	(2,083,930)	(918,666)
Income from partnerships	211,056	151,560	435,402	305,956
Total revenues	19,752,045	12,581,986	38,148,801	26,762,421
Costs and expenses:
Lease operating expenses	3,653,000	2,638,342	6,968,397	5,934,904
Production taxes	706,033	412,886	1,277,597	716,439
Exploration costs	24,429	15,412	63,184	35,179
Depreciation, depletion and amortization	4,939,834	6,258,623	10,247,853	11,897,643
Provision for impairment	227,152	63,476	430,143	218,441
Loss (gain) on asset sales, interest and other	104,644	(211,896)	27,189	(168,710)
General and administrative	1,651,380	1,643,656	3,524,547	3,541,740
Total costs and expenses	11,306,472	10,820,499	22,538,910	22,175,636
Income before provision for income taxes	8,445,573	1,761,487	15,609,891	4,586,785
Provision for income taxes	2,791,000	739,000	5,029,000	1,416,000
Net income	$ 5,654,573	$ 1,022,487	$ 10,580,891	$ 3,170,785
Basic and diluted earnings per common share (Note 3)	$ 0.68	$ 0.12	$ 1.27	$ 0.38
Basic and diluted weighted average shares outstanding:
Common shares	8,236,672	8,254,226	8,234,261	8,252,145
Unissued, directors' deferred compensation shares	126,051	113,258	125,712	113,045
Basic and diluted weighted average shares outstanding	8,362,723	8,367,484	8,359,973	8,365,190
Dividends declared per share of common stock and paid in period	$ 0.08	$ 0.07	$ 0.16	$ 0.14