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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)
Sep. 30, 2011
Dec. 31, 2010
SHAREHOLDERS' EQUITY  
Preferred stock, par value (in dollars per share)$ 0.01$ 0.01
Preferred stock, Shares authorized (in shares)10,000,00010,000,000
Common stock, par value (in dollars per share)$ 0.01$ 0.01
Common stock, Shares authorized (in shares)40,000,00040,000,000
Common stock, Shares issued (in shares)11,377,20711,373,207
Common stock, Shares outstanding (in shares)8,918,6079,414,607
Treasury stock, shares (in shares)2,458,6001,958,600