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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Jun. 30, 2011
Dec. 31, 2010
CONSOLIDATED BALANCE SHEETS    
Preferred stock, par value (in dollars per share) $ 1.00 $ 1.00
Preferred stock, shares authorized 4,000,000 4,000,000
Preferred stock, shares issued 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized 25,000,000 25,000,000
Common stock, shares issued 19,277,770 19,242,251
Treasury stock, shares 37,803 37,803