CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $)
Sep. 30, 2012
Dec. 31, 2011
Common stock, par value (in dollars per share) $ 0.00005 $ 0.00005
Common stock, shares authorized 800,000,000 800,000,000
Common stock, shares issued 150,085,035 126,444,309
Common stock, shares outstanding 150,085,035 126,444,309