CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Balance Sheet Parenthetical [Abstract]
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	52,123,528	51,642,520
Common stock, shares outstanding	52,123,528	51,642,520