CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Preferred Stock, par value	$ 0.001	$ 0.001
Preferred Stock, shares authorized	10,000,000	10,000,000
Preferred Stock, shares issued
Preferred Stock, shares outstanding
Common Stock, par value	$ 0.001	$ 0.001
Common Stock, shares authorized	200,000,000	200,000,000
Common Stock, shares issued	58,493,920	58,325,169
Common Stock, shares outstanding	58,493,920	58,325,169