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Note 15 - Income Taxes (Tables)
 3 Months Ended
Sep. 30, 2017
Notes Tables  
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
   
Three Months Ended
  
   
September 30
  
   
201
7
    
201
6
  
Reconciliation to effective tax rate:
  
 
 
 
  
 
 
 
                 
Provision for income taxes at the anticipated annual tax rate
    
33.7
%
    
32.0
%
Uncertain tax positions
    
(0.2
)
    
(1.3
)
Difference betwe
en deferred and current tax rate related to the impairment of goodwill
    
4.8
      
--
  
Deferred tax asset adjustment
    
--
      
(6.7
)
Other
    
(0.3
)
    
(0.8
)
Effective tax rate
    
38.0
%
    
23.2
%