Condensed Statements of Earnings (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenue:
Operating revenue	$ 1,997,370	$ 1,706,923	$ 3,722,204	$ 3,199,086
Other income	11,862	14,985	27,390	31,230
Total revenue	2,009,232	1,721,908	3,749,594	3,230,316
Costs and expenses:
Production cost	1,238,410	933,668	2,283,803	1,888,586
Depreciation, depletion and amortization	109,055	106,384	218,110	212,768
General and administrative	138,406	135,478	291,572	283,350
Impairment in value of oil and gas property	0	60,000	0	125,000
Interest	567	1,224	1,507	2,519
Doubtful account expense	17,449	8,281	26,507	15,937
Total costs and expenses	1,503,887	1,245,035	2,821,499	2,528,160
Earnings before taxes	505,345	476,873	928,095	702,156
Federal and state taxes:
Provision for federal income tax	167,889	158,770	308,222	230,717
Provision for state margin tax	11,553	9,901	21,560	18,574
Net earnings	$ 325,903	$ 308,202	$ 598,313	$ 452,865
Weighted average number of shares outstanding (in Shares)	1,416,587	1,416,587	1,416,587	1,416,587
Basic earnings per share (in Dollars per share)	$ 0.23	$ 0.22	$ 0.42	$ 0.32
Diluted earnings per share (in Dollars per share)	$ 0.23	$ 0.22	$ 0.42	$ 0.32