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CONSOLIDATED CONDENSED BALANCE SHEETS Parentheticals (Unaudited) (USD $)
Jun. 30, 2011
Dec. 31, 2010
Preferred Stock, par or stated value $ 0.01 $ 0.01
Preferred Stock, shares authorized 500,000 500,000
Common stock, par or stated value $ 0.01 $ 0.01
Common stock, shares authorized 100,000,000 100,000,000
Common Stock, shares issued 31,299,203 31,299,203
Treasury Stock, shares 2,741,168 3,077,377