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Note 6 - Commitments and Contingencies (Tables)
 6 Months Ended
Jul. 29, 2017
Notes Tables  
Schedule of Product Warranty Liability [Table Text Block]
Three Months Ended
 
Balance
Beginning of
Period
 
 
Additions
and
Adjustments
 
 
Deductions
 
 
Balance End
of Period
 
July 29, 2017
   $
727
     $
112
     $
(143
)
   $
696
  
July 30, 2016
   $
960
     $
143
     $
(151
)
   $
952
  
Six
Months Ended
 
Balance
Beginning of
Period
 
 
Additions
and
Adjustments
 
 
Deductions
 
 
Balance End
of Period
 
July 29, 2017
   $
783
     $
196
     $
(283
)
   $
696
  
July 30, 2016
   $
959
     $
282
     $
(289
)
   $
952