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	100,000,000	100,000,000
Common stock,shares issued	45,598,029	45,598,029
Common stock, shares outstanding	46,001,404	46,001,404