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Note 11 - Supplemental Cash Flow Information (Tables)
 6 Months Ended
Dec. 31, 2017
Notes Tables  
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
(In thousands)
  
Six Months Ended
December 31
  
   
2017
    
2016
  
Cash payments:
                
Interest
   $
767
     $
21
  
Income taxes
   $
1,232
     $
2,381
  
                 
Non-cash investing and finance activities:
                
Issuance of common shares as compensation
   $
156
     $
228
  
Issuance of common shares to fund deferred compensation plan
   $
261
     $
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