Consolidated Balance Sheets (Parentheticals) - $ / shares	Jun. 30, 2015	Jun. 30, 2014
Preferred stock, par value per share	$ 0.001	$ 0.001
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares outstanding	0	0
Common stock, par value per share	$ 0.001	$ 0.001
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares, issued	259,007,000	257,542,000
Common stock, shares, outstanding	157,851,000	165,448,000