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Note 6 - Goodwill (Tables)
12 Months Ended
Jun. 30, 2020
Notes Tables  
Schedule of Goodwill [Table Text Block]
   

2020

   

2019

 
Balance at beginning of year   $ 273,843     $ 204,091  
Acquisitions     (1,699 )     68,392  
Foreign currency translation     (923 )     1,360  

Balance at end of year

  $ 271,221     $ 273,843