Consolidated Balance Sheets (unaudited) (Parentheticals) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Preferred stock, shares par value (in Dollars per share)	$ 0.0001	$ 0.0001
Preferred stock-shares authorized (in Shares)	50,000,000	50,000,000
Preferred stock-shares issued (in Shares)	0	0
Preferred stock-shares outstanding (in Shares)	0	0
Common stock, par value (in Dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in Shares)	250,000,000	250,000,000
Common stock, shares issued (in Shares)	36,205,323	34,341,360
Common stock, shares outstanding (in Shares)	36,205,323	34,341,360
Treasury stock, shares (in Shares)	905,349	905,349