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Note 9 - Other Income and Expense (Tables)
 12 Months Ended
Jun. 30, 2015
Notes Tables  
Schedule of Other Nonoperating Income (Expense) [Table Text Block]
 
 
2015
 
 
2014
 
 
2013
 
Interest income
   $ 828     $ 951     $ 786  
Interest expense
     (713
)
     (800
)
     (968
)
Foreign currency gain (loss), net
     705       (840
)
     1,086  
Gain from equity investment
     203       257       470  
Brazil recovery of export taxes
     232       -       -  
Sale of scrap material
     93       126       167  
Gain on resolution of contingency
     -       89       501  
Other income (expense), net
     (9
)
     359       32  
    $ 1,339     $ 142     $ 2,074