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Balance Sheets (Unaudited) (Parentheticals) (USD $)
Jun. 30, 2013
Dec. 31, 2012
Common stock, par value (in Dollars per share) $ 0 $ 0
Common stock shares authorized 3,000,000 3,000,000
Common stock shares issued 2,100,000 2,100,000
Treasury stock, shares 157,505 157,505
Accumulated Depreciation [Member]
    
Accumulated depreciation, building and equipment (in Dollars) $ 80,847 $ 77,504
Accumulated Depletion [Member]
    
Accumulated depreciation, building and equipment (in Dollars) $ 712,055 $ 700,564