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Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
Sep. 30, 2011
Dec. 31, 2010
Condensed Consolidated Balance Sheets  
Preferred stock, par value (in dollars per share)$ 0.0001$ 0.0001
Preferred stock, shares Authorized5,000,0005,000,000
Preferred stock, shares issued00
Preferred stock, shares outstanding00
Common stock, par value (in dollars per share)$ 0.0001$ 0.0001
Common stock, shares Authorized100,000,000100,000,000
Common stock, shares issued49,498,35042,090,205
Common stock, shares outstanding49,498,35042,090,205