CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Sep. 30, 2011	Dec. 31, 2010
CONDENSED CONSOLIDATED BALANCE SHEETS
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, authorized shares	200,000,000	200,000,000
Common stock, issued shares	94,917,057	92,188,164
Common stock, outstanding shares	94,917,057	92,188,164