CONDENSED CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $)	Dec. 31, 2011	Dec. 31, 2010
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	75,000,000	75,000,000
Common stock, shares issued	70,291,062	39,050,590
Common stock, shares outstanding	70,291,062	39,050,590