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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)
Jun. 30, 2011
Dec. 31, 2010
SHAREHOLDERS' EQUITY    
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 10,000,000 10,000,000
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 40,000,000 40,000,000
Common stock, shares issued (in shares) 11,377,207 11,373,207
Common stock, shares outstanding (in shares) 8,963,457 9,414,607
Treasury stock, shares (in shares) 2,413,750 1,958,600