Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015
Current assets:
Allowance for doubtful accounts	$ 3,257	$ 2,396
Stockholders’ equity:
Convertible preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Convertible preferred stock, shares authorized	2,000,000	2,000,000
Convertible preferred stock, shares issued	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	750,000,000	750,000,000
Common stock, shares issued	104,942,665	100,284,106
Common stock, shares outstanding	104,942,665	100,284,106