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Note 10 - Segment Information (Tables)
 3 Months Ended
Sep. 30, 2016
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
 
  
North American
Operations
    
International
Operations
    
Unallocated
    
Total
  
Three Months ended September 30, 2016
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Sales
1
  $ 28,403     $ 20,510     $ —     $ 48,913  
Operating Income (Loss)
   $ 152     $ (866
)
   $ (1,916
)
   $ (1,850
)
                                 
Three Months ended September 30, 2015
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Sales
2
                                
    $ 32,411     $ 18,627     $ —     $ 51,038  
Operating Income (Loss)
  $ 2,826     $ (1,048
)
   $ (1,599
)
  $ 179