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Note 14 - Employee Benefit Plans (Tables)
3 Months Ended
Apr. 03, 2016
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]
 
 
Three Months Ended
 
 
 
April 3,
 
 
April 5,
 
 
 
2016
 
 
2015
 
 
 
(Unaudited)
 
Service cost
  $ 3     $ 4  
Interest cost on projected benefit obligation
    426       434  
Net amortizations of actuarial loss
    174       170  
Expected return on plan assets
    (496 )     (564 )
    $ 107     $ 44