Condensed Statements Of Operations - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Revenues:
Oil, NGL and natural gas sales	$ 8,890,902	$ 6,136,186	$ 17,790,120	$ 15,191,474
Lease bonuses and rentals	2,334,203	481,553	3,172,161	2,907,057
Gains (losses) on derivative contracts	2,739,183	975,113	38,650	940,177
Total revenues	13,964,288	7,592,852	21,000,931	19,038,708
Costs and expenses:
Lease operating expenses	3,105,496	3,187,353	6,154,911	6,753,889
Production taxes	371,553	229,140	739,398	550,981
Depreciation, depletion and amortization	4,105,655	6,045,883	8,939,918	13,003,535
Provision for impairment	10,788	8,115,791	10,788	11,849,064
Loss (gain) on asset sales and other	91,337	34,054	86,998	(204,915)
Interest expense	286,398	342,348	578,767	702,910
General and administrative	1,719,628	1,651,444	3,562,110	3,563,523
Total costs and expenses	9,690,855	19,606,013	20,072,890	36,218,987
Income (loss) before provision (benefit) for income taxes	4,273,433	(12,013,161)	928,041	(17,180,279)
Provision (benefit) for income taxes	803,000	(4,575,000)	(304,000)	(6,943,000)
Net income (loss)	$ 3,470,433	$ (7,438,161)	$ 1,232,041	$ (10,237,279)
Basic and diluted earnings (loss) per common share	$ 0.21	$ (0.44)	$ 0.07	$ (0.61)
Basic and diluted weighted average shares outstanding:
Common shares	16,644,755	16,579,116	16,624,229	16,571,488
Unissued, directors' deferred compensation shares	277,167	259,381	277,200	258,206
Basic and diluted weighted average shares outstanding	16,921,922	16,838,497	16,901,429	16,829,694
Dividends declared per share of common stock and paid in period	$ 0.04	$ 0.04	$ 0.08	$ 0.08