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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Jun. 30, 2011
Dec. 31, 2010
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, Authorized 1,000,000 1,000,000
Preferred stock, issued 0 0
Common stock, par value $ 0.01 $ 0.01
Common stock, Authorized 5,000,000 5,000,000
Common stock, issued 3,164,420 3,164,420
Treasury stock, shares 378,727 377,119