STATEMENTS OF INCOME (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Operating Revenues:
Oil and Gas Sales	$ 12,949,108	$ 12,251,319
Lease Bonuses and Other	2,185,273	711,646
[OilAndGasRevenue]	15,134,381	12,962,965
Operating Costs and Expenses:
Production	2,414,761	2,038,933
Exploration	316,465	324,908
Depreciation, Depletion, Amortization and Valuation Provisions (Note 10)	5,158,215	3,179,534
General, Administrative and Other	1,603,639	1,418,477
[OperatingExpenses]	9,493,080	6,961,852
Income from Operations	5,641,301	6,001,113
Equity Income from Investee (Note 7)	73,003	35,884
Other Income, Net (Note 11)	491,362	1,057,904
Income Before Income Taxes	6,205,666	7,094,901
Provision for Income Taxes (Notes 2 & 6)	1,651,821	1,815,862
Net Income	$ 4,553,845	$ 5,279,039
Per Share Data:
Net Income, Basic and Diluted	$ 28.30	$ 32.77
Cash Dividends	$ 20.00	$ 10.00
Weighted Average Shares Outstanding, Basic and Diluted	160,933	161,117