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Note F - Defined Benefit Pension Plan (Tables)
3 Months Ended
Sep. 30, 2015
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]
 
 
Three Months Ended
September 30,
 
 
 
2015
 
 
2014
 
Interest cost
  $ 23     $ 21  
Expected return on plan assets
    (10 )     (9 )
Net periodic expense
  $ 13     $ 12