Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Preferred stock par value (in Dollars per share)	$ 1	$ 1
Preferred stock, shares authorized (in Shares)	300,000	300,000
Preferred stock, shares issued (in Shares)	0	0
Common stock par value (in Dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in Shares)	50,000,000	50,000,000
Common stock, shares issued (in Shares)	6,346,071	6,115,907
Common stock, shares outstanding (in Shares)	6,346,071	6,115,907