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BALANCE SHEETS (Parenthetical) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Statement of Financial Position [Abstract]    
Common stock, par value (in dollars per share) $ 2.50us-gaap_CommonStockParOrStatedValuePerShare $ 2.50us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized 4,000,000us-gaap_CommonStockSharesAuthorized 4,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares outstanding 2,339,139us-gaap_CommonStockSharesIssued 2,339,139us-gaap_CommonStockSharesIssued