Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) - $ / shares	Sep. 30, 2015	Jun. 30, 2015
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	191,474	191,474
Preferred stock, shares outstanding (in shares)	191,474	191,474
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	125,000,000	125,000,000
Common stock, shares issued (in shares)	89,084,777	89,021,443
Common stock, shares outstanding (in shares)	89,018,550	88,955,216
Treasury stock shares (in shares)	66,227	66,227