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Note 6 - Inventories (Tables)
9 Months Ended
Mar. 31, 2016
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
March 31,
   
June 30,
 
   
2016
   
2015
 
                 
Finished goods
  $ 125,909     $ 118,537  
Work in process
    10,830       10,537  
Raw materials
    30,429       25,943  
Valuation allowance
    (3,425 )     (3,101 )
    $ 163,743     $ 151,916