Condensed Statements Of Operations - USD ($)	3 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Revenues:
Oil, NGL and natural gas sales	$ 12,887,419	$ 8,899,218
Lease bonuses and rentals	96,959	837,958
Gains (losses) on derivative contracts	(493,852)	(2,700,533)
Total revenues	12,490,526	7,036,643
Costs and expenses:
Lease operating expenses	3,626,709	3,049,415
Production taxes	488,990	367,845
Depreciation, depletion and amortization	5,275,824	4,834,263
Loss (gain) on asset sales and other	(295,658)	(4,339)
Interest expense	431,579	292,369
General and administrative	1,888,143	1,842,482
Total costs and expenses	11,415,587	10,382,035
Income (loss) before provision (benefit) for income taxes	1,074,939	(3,345,392)
Provision (benefit) for income taxes	(12,710,000)	(1,107,000)
Net income (loss)	$ 13,784,939	$ (2,238,392)
Basic and diluted earnings (loss) per common share	$ 0.81	$ (0.13)
Basic and diluted weighted average shares outstanding:
Common shares	16,685,032	16,604,149
Unissued, directors' deferred compensation shares	263,255	274,035
Basic and diluted weighted average shares outstanding	16,948,287	16,878,184
Dividends declared per share of common stock and paid in period	$ 0.04	$ 0.04
Dividends declared per share of common stock and to be paid in quarter ended March 31	$ 0.04	$ 0.04