Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $)	Jun. 30, 2013	Jun. 30, 2012
Common stock, par value (in Dollars per share)	$ 0.0	$ 0.0
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	17,673,983	16,814,103
Common stock, shares outstanding	16,969,674	16,109,794
Series B Preferred Stock [Member]
Par value (in Dollars per share)	$ 0.01	$ 0.01
Shares authorized	50,000	50,000
Shares issued	200	450
Shares outstanding	200	450
Liquidation preference (in Dollars per share)	$ 24,000	$ 49,500
Series A Preferred Stock [Member]
Par value (in Dollars per share)	$ 0.01	$ 0.01
Shares authorized	10,000	10,000
Shares issued	0	0
Shares outstanding	0	0
Series C Preferred Stock [Member]
Par value (in Dollars per share)	$ 0.01	$ 0.01
Shares authorized	60,000	60,000
Shares issued	0	300
Shares outstanding	0	300
Liquidation preference (in Dollars per share)	$ 0	$ 33,000