Condensed Statements Of Operations - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Revenues:
Oil, NGL and natural gas sales	$ 12,266,036	$ 8,890,902	$ 25,153,455	$ 17,790,120
Lease bonuses and rentals	499,198	2,334,203	596,157	3,172,161
Gains (losses) on derivative contracts	(1,343,976)	2,739,183	(1,837,828)	38,650
Total revenues	11,421,258	13,964,288	23,911,784	21,000,931
Costs and expenses:
Lease operating expenses	3,217,568	3,105,496	6,844,277	6,154,911
Production taxes	497,823	371,553	986,813	739,398
Depreciation, depletion and amortization	4,241,078	4,105,655	9,516,902	8,939,918
Provision for impairment	0	10,788	0	10,788
Loss (gain) on asset sales and other	216,472	91,337	(79,186)	86,998
Interest expense	435,951	286,398	867,530	578,767
General and administrative	1,766,190	1,719,628	3,654,333	3,562,110
Total costs and expenses	10,375,082	9,690,855	21,790,669	20,072,890
Income (loss) before provision (benefit) for income taxes	1,046,176	4,273,433	2,121,115	928,041
Provision (benefit) for income taxes	(24,000)	803,000	(12,734,000)	(304,000)
Net income (loss)	$ 1,070,176	$ 3,470,433	$ 14,855,115	$ 1,232,041
Basic and diluted earnings (loss) per common share	$ 0.06	$ 0.21	$ 0.87	$ 0.07
Basic and diluted weighted average shares outstanding:
Common shares	16,766,010	16,644,755	16,725,076	16,624,229
Unissued, directors' deferred compensation shares	205,867	277,167	267,005	277,200
Basic and diluted weighted average shares outstanding	16,971,877	16,921,922	16,992,081	16,901,429
Dividends declared per share of common stock and paid in period	$ 0.04	$ 0.04	$ 0.08	$ 0.08