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CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $)
Dec. 31, 2011
Dec. 31, 2010
Preferred stock, par value (in dollars per share) $ 0.50 $ 0.50
Preferred stock, shares authorized 2,000,000 2,000,000
Preferred stock, shares Issued 0 0
Common Stock, par value (in dollars per share) $ 0.50 $ 0.50
Common Stock, shares authorized 20,000,000 20,000,000
Common Stock, shares issued 10,890,163 9,949,324
Treasury stock, shares 532,233 561,533