Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Preferred stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Preferred stock, Authorized shares	5,000,000	5,000,000
Preferred stock, Issued shares	0	0
Preferred stock, Outstanding shares	0	0
Common stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Common stock, Authorized shares	50,000,000	50,000,000
Common stock, Issued shares	21,842,507	22,349,780
Common stock, Outstanding shares	21,842,507	22,349,780