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CONDENSED CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $)
Sep. 30, 2011
Dec. 31, 2010
Common stock, par value (in dollars per share)$ 0.001$ 0.001
Common stock, shares authorized110,000,000110,000,000
Common stock, shares issued62,930,87362,690,873
Common stock, shares outstanding62,930,87362,690,873