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Note L - Restructuring of Operations (Tables)
 9 Months Ended
Mar. 31, 2017
Notes Tables  
Restructuring and Related Costs [Table Text Block]
Accrued restructuring liability, June 30, 2016
   $
801
 
Additions during the year
    
1,367
 
Payments and adjustments
    
(1,629
 )
Accrued restructuring liability, March 31, 2017
   $
539