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Note 10 - Other Income and Expense (Tables)
 12 Months Ended
Jun. 30, 2016
Notes Tables  
Schedule of Other Nonoperating Income (Expense) [Table Text Block]
 
 
2016
 
 
2015
 
 
2014
 
Interest income
   $ 504       828     $ 951  
Interest expense
     (669
)
     (713
)
     (800
)
Foreign currency gain (loss), net
     (59
)
     705       (840
)
Income from equity investment
     118       203       257  
Brazil recovery of export taxes
     -       232       -  
Sale of scrap material
     95       93       126  
Gain on resolution of contingency
     -       -       89  
Other income (expense), net
     81       (9
)
     359  
    $ 70       1,339     $ 142