Condensed Balance Sheets (Unaudited June 30,2013) (USD $)	Jun. 30, 2013	Sep. 30, 2012
Current assets:
Cash and cash equivalents	$ 1,381,705	$ 1,984,099
Oil, NGL and natural gas sales receivables	12,234,870	8,349,865
Derivative contracts	814,978
Deferred income taxes	55,900	121,900
Refundable income taxes		325,715
Refundable production taxes	620,590	585,454
Other	124,617	255,812
Total current assets	15,232,660	11,622,845
Properties and equipment, at cost, based on successful efforts accounting:
Producing oil and natural gas properties	297,124,313	275,997,569
Non-producing oil and natural gas properties	9,504,728	10,150,561
Furniture and fixtures	720,565	668,004
	307,349,606	286,816,134
Less accumulated depreciation, depletion and amortization	(181,919,478)	(165,199,079)
Net properties and equipment	125,430,128	121,617,055
Investments	1,509,609	1,034,870
Refundable production taxes	623,776	911,960
Total assets	142,796,173	135,186,730
Current liabilities:
Accounts payable	6,648,091	6,447,692
Derivative contracts		172,271
Accrued liabilities and other	978,063	1,007,779
Total current liabilities	7,626,154	7,627,742
Long-term debt	13,565,237	14,874,985
Deferred income taxes	29,293,907	26,708,907
Asset retirement obligations	2,332,949	2,122,950
Stockholders' equity:
Class A voting common stock, $.0166 par value; 24,000,000 shares authorized, 8,431,502 issued at June 30, 2013, and September 30, 2012	140,524	140,524
Capital in excess of par value	2,479,619	2,020,229
Deferred directors' compensation	2,667,765	2,676,160
Retained earnings	91,316,131	84,821,395
	96,604,039	89,658,308
Less treasury stock, at cost; 211,155 shares at June 30, 2013, and 181,310 shares at September 30, 2012	(6,626,113)	(5,806,162)
Total stockholders' equity	89,977,926	83,852,146
Total liabilities and stockholders' equity	$ 142,796,173	$ 135,186,730