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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)
Jun. 30, 2011
Dec. 31, 2010
Stockholders' Equity    
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares authorized 195,000,000 195,000,000
Common stock, shares outstanding 46,006,625 45,981,625