Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $)	Dec. 31, 2013	Jun. 30, 2013
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	18,289,729	17,673,983
Common stock, shares outstanding	17,585,420	16,969,674
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)	$ 25,000	$ 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