Balance Sheets - USD ($)	Sep. 30, 2018	Sep. 30, 2017
Current Assets:
Cash and cash equivalents	$ 532,502	$ 557,791
Oil, NGL and natural gas sales receivables (net of allowance for uncollectable accounts)	7,101,629	7,585,485
Refundable income taxes	33,165	489,945
Derivative contracts, net		544,924
Assets held for sale		557,750
Other	578,880	253,480
Total current assets	8,246,176	9,989,375
Properties and equipment at cost, based on successful efforts accounting:
Producing oil and natural gas properties	427,448,584	434,571,516
Non-producing oil and natural gas properties	12,563,519	7,428,927
Other	1,529,770	1,067,894
Gross properties and equipment, at cost, based on successful efforts accounting	441,541,873	443,068,337
Less accumulated depreciation, depletion and amortization	(243,257,472)	(246,483,979)
Net properties and equipment	198,284,401	196,584,358
Investments	219,109	170,486
Total assets	206,749,686	206,744,219
Current Liabilities:
Accounts payable	881,130	1,847,230
Derivative contracts, net	3,064,046
Accrued liabilities and other	1,791,950	1,690,789
Total current liabilities	5,737,126	3,538,019
Long-term debt	51,000,000	52,222,000
Deferred income taxes	18,088,007	31,051,007
Asset retirement obligations	2,809,378	3,196,889
Derivative contracts, net	349,970	28,765
Stockholders' equity:
Class A voting common stock, $0.0166 par value; 24,000,000 shares authorized; 16,896,881 issued at September 30, 2018; 16,863,004 issued at September 30, 2017	281,502	280,938
Capital in excess of par value	2,824,691	2,726,444
Deferred directors' compensation	2,950,405	3,459,909
Retained earnings	125,266,945	113,330,216
Stockholders' Equity	131,323,543	119,797,507
Treasury stock, at cost; 145,467 shares at September 30, 2018; 184,988 shares at September 30, 2017	(2,558,338)	(3,089,968)
Total stockholders' equity	128,765,205	116,707,539
Total liabilities and stockholders' equity	$ 206,749,686	$ 206,744,219