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Note 9 - Commitments and Contingencies (Tables)
 6 Months Ended
Aug. 01, 2015
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
 
August 1, 2015
   $ 861     $ 150     $ (137
)
   $ 874  
August 2, 2014
   $ 630     $ 117     $ (107
)
   $ 640  
Six
Months Ended
 
Balance
Beginning of
Period
 
 
Additions
and
Adjustments
 
 
Deductions
 
 
Balance End
of Period
 
August 1, 2015
   $ 864     $ 290     $ (280
)
   $ 874  
August 2, 2014
   $ 620     $ 241     $ (221
)
   $ 640