Balance Sheets - USD ($)		Sep. 30, 2015	Sep. 30, 2014
Current Assets:
Cash and cash equivalents		$ 603,915	$ 509,755
Oil, NGL and natural gas sales receivables (net of allowance for uncollectable accounts)		7,895,591	16,227,469
Refundable income taxes		345,897
Refundable production taxes		476,001	625,996
Derivative contracts, net	[1]	4,210,764	1,650,563
Other		252,016	354,828
Total current assets		13,784,184	19,368,611
Properties and equipment at cost, based on successful efforts accounting:
Producing oil and natural gas properties		441,141,337	418,237,512
Non-producing oil and natural gas properties		8,293,997	10,260,717
Furniture and fixtures		1,393,559	1,317,725
Total properties and equipment, at cost, based on successful efforts accounting		450,828,893	429,815,954
Less accumulated depreciation, depletion and amortization		(228,036,803)	(204,731,661)
Net properties and equipment		222,792,090	225,084,293
Investments		2,248,999	1,936,421
Derivative contracts, net	[1]		251,279
Total assets		238,825,273	246,640,604
Current Liabilities:
Accounts payable		2,028,746	7,034,773
Deferred income taxes		1,517,100	600,100
Income taxes payable			523,843
Accrued liabilities and other		1,330,901	1,290,858
Total current liabilities		4,876,747	9,449,574
Long-term debt		65,000,000	78,000,000
Deferred income taxes		39,118,907	37,363,907
Asset retirement obligations		2,824,944	2,638,470
Stockholders' equity:
Class A voting common stock, $.0166 par value; 24,000,000 shares authorized, 16,863,004 issued at September 30, 2015 and 2014		280,938	280,938
Capital in excess of par value		2,993,119	2,861,343
Deferred directors' compensation		3,084,289	3,110,351
Retained earnings		125,446,473	118,794,188
Total stockholders' equity		131,804,819	125,046,820
Treasury stock, at cost; 302,623 shares at September 30, 2015, and 372,364 shares at September 30, 2014		(4,800,144)	(5,858,167)
Total stockholders' equity		127,004,675	119,188,653
Total liabilities and stockholders' equity		$ 238,825,273	$ 246,640,604

[1] See Fair Value Measurements section for further disclosures regarding fair value of financial instruments.