Note 10 - Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Current:
Federal
State
Foreign	$ (0.1)	$ (0.3)	$ 0.1
	$ (0.1)	$ (0.3)	$ 0.1
Deferred:
Federal
State
Foreign
Total tax (benefit) expense	$ (0.1)	$ (0.3)	$ 0.1