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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Sep. 30, 2011
Dec. 31, 2010
Preferred stock, par value$ 0.01$ 0.01
Preferred stock, Authorized1,000,0001,000,000
Preferred stock, issued00
Common stock, par value$ 0.01$ 0.01
Common stock, Authorized5,000,0005,000,000
Common stock, issued3,164,4203,164,420
Treasury stock, shares378,727377,119