Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $)	Mar. 31, 2014	Jun. 30, 2013
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	19,280,070	17,673,983
Common stock, shares outstanding	18,575,761	16,969,674
Common stock, par value (in Dollars per share)	$ 0	$ 0
Series B Preferred Stock [Member]
Par value (in Dollars per share)	$ 0.01	$ 0.01
Shares authorized	50,000	50,000
Shares issued	200	200
Shares outstanding	200	200
Liquidation preference (in Dollars per share)	$ 25,500	$ 24,000
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	0
Shares outstanding	0	0