Condensed Statements of Operations (Unaudited) (USD $)	3 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Revenues:
Oil and natural gas (and associated natural gas liquids) sales	$ 11,744,277	$ 9,731,574
Lease bonuses and rentals	1,755,191	113,365
Gains (losses) on derivative contracts	(222,079)	(21,439)
Income from partnerships	126,944	78,048
Total revenues	13,404,333	9,901,548
Costs and expenses:
Lease operating expenses	2,264,912	2,197,870
Production taxes	438,499	344,644
Exploration costs	313,370	287,104
Depreciation, depletion and amortization	4,142,413	3,434,811
Provision for impairment	363,547
Loss (gain) on asset sales, interest and other	(77,041)	(5,727)
General and administrative	1,697,523	1,639,997
Total costs and expenses	9,143,223	7,898,699
Income before provision for income taxes	4,261,110	2,002,849
Provision for income taxes	849,000	576,000
Net income	$ 3,412,110	$ 1,426,849
Basic and diluted earnings per common share (Note 3)	$ 0.41	$ 0.17
Basic and diluted weighted average shares outstanding:
Common shares	8,256,171	8,301,811
Unissued, directors' deferred compensation shares	130,654	115,483
Total basic and diluted weighted average shares outstanding	8,386,825	8,417,294
Dividends declared per share of common stock and paid in period	$ 0.07	$ 0.07
Dividends declared per share of common stock and to be paid in quarter ended March 31	$ 0.07	$ 0.07