Condensed Balance Sheets (Unaudited) (USD $)	Jun. 30, 2012	Sep. 30, 2011
Current assets:
Cash and cash equivalents	$ 479,674	$ 3,506,999
Oil and natural gas sales receivables	6,165,551	8,811,404
Deferred income taxes	31,900
Refundable income taxes		354,246
Refundable production taxes	587,768	223,672
Derivative contracts	169,472	269,329
Other	133,987	95,408
Total current assets	7,568,352	13,261,058
Properties and equipment, at cost, based on successful efforts accounting:
Producing oil and natural gas properties	265,518,051	230,554,198
Non-producing oil and natural gas properties	10,845,809	11,100,350
Furniture and fixtures	664,508	628,929
Total properties and equipment, at cost, based on successful efforts accounting	277,028,368	242,283,477
Less accumulated depreciation, depletion and amortization	(159,795,938)	(146,147,514)
Net properties and equipment	117,232,430	96,135,963
Investments	908,245	667,504
Refundable production taxes	916,594	1,359,668
Total assets	126,625,621	111,424,193
Current liabilities:
Accounts payable	4,926,378	4,899,593
Deferred income taxes		7,100
Income taxes payable	690,951
Accrued liabilities and other	1,229,837	1,040,269
Total current liabilities	6,847,166	5,946,962
Long-term debt	8,000,000
Deferred income taxes	26,077,907	24,777,650
Asset retirement obligations	1,971,477	1,843,875
Derivative contracts		53,389
Stockholders' equity:
Class A voting common stock, $.0166 par value; 24,000,000 shares authorized, 8,431,502 issued at June 30, 2012 and September 30, 2011	140,524	140,524
Capital in excess of par value	1,943,555	1,924,507
Deferred directors' compensation	2,573,469	2,665,583
Retained earnings	85,219,018	79,771,563
Total stockholders' equity	89,876,566	84,502,177
Less treasury stock, at cost; 191,970 shares at June 30, 2012 and 175,331 shares at September 30, 2011	(6,147,495)	(5,699,860)
Total stockholders' equity	83,729,071	78,802,317
Total liabilities and stockholders' equity	$ 126,625,621	$ 111,424,193