Condensed Balance Sheets - USD ($)	Dec. 31, 2015	Sep. 30, 2015
Current assets:
Cash and cash equivalents	$ 1,503,691	$ 603,915
Oil, NGL and natural gas sales receivables (net of allowance for uncollectable accounts)	5,540,926	7,895,591
Refundable income taxes		345,897
Refundable production taxes	474,839	476,001
Derivative contracts, net	636,114	4,210,764
Other	911,340	252,016
Total current assets	9,066,910	13,784,184
Properties and equipment at cost, based on successful efforts accounting:
Producing oil and natural gas properties	441,316,100	441,141,337
Non-producing oil and natural gas properties	7,694,635	8,293,997
Other	1,055,935	1,393,559
Gross properties and equipment, at cost, based on successful efforts accounting	450,066,670	450,828,893
Less accumulated depreciation, depletion and amortization	(234,432,151)	(228,036,803)
Net properties and equipment	215,634,519	222,792,090
Investments	173,423	2,248,999
Total assets	224,874,852	238,825,273
Current liabilities:
Accounts payable	2,397,076	2,028,746
Deferred income taxes	863,100	1,517,100
Income taxes payable	1,073,551
Accrued liabilities and other	1,491,077	1,330,901
Total current liabilities	5,824,804	4,876,747
Long-term debt	57,000,000	65,000,000
Deferred income taxes	36,025,907	39,118,907
Asset retirement obligations	2,861,160	2,824,944
Stockholders' equity:
Class A voting common stock, $.0166 par value; 24,000,000 shares authorized, 16,863,004 issued at December 31, 2015, and September 30, 2015	280,938	280,938
Capital in excess of par value	2,915,219	2,993,119
Deferred directors' compensation	3,170,219	3,084,289
Retained earnings	121,309,373	125,446,473
Stockholders' Equity	127,675,749	131,804,819
Less treasury stock, at cost; 284,593 shares at December 31, 2015, and 302,623 shares at September 30, 2015	(4,512,768)	(4,800,144)
Total stockholders' equity	123,162,981	127,004,675
Total liabilities and stockholders' equity	$ 224,874,852	$ 238,825,273