Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2011	Dec. 31, 2010
Common stock, Authorised	300,000,000	300,000,000
Common stock, par value	$ 0.001	$ 0.001
Common stock, Issued	109,912,589	88,703,868
Common stock, outstanding	109,912,589	88,703,868