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Note 10 - Income Taxes (Details) - Unrecognized Tax Benefits - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2013
Unrecognized Tax Benefits [Abstract]      
Beginning Balance $ 1,033 $ 1,286 $ 1,298
Additions based on tax positions related to the current year 17 25 77
Additions for tax positions of prior years 4   19
Reductions for tax positions of prior years   (278) (108)
Ending Balance $ 1,054 $ 1,033 $ 1,286