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Note 10. Product Warranty
9 Months Ended
Oct. 29, 2011
Product Warranty Disclosure [Text Block]
 
10.
Product warranty

In general, we sell products with a one-year limited warranty that our products will be free from defects in materials and workmanship.  Warranty cost is estimated at the time revenue is recognized based on historical activity, and additionally, for any specific known product warranty issues.  Accrued warranty cost includes hardware repair and/or replacement and software support costs and is included in accrued liabilities on the consolidated balance sheets.

Details of the change in accrued warranty as of October 29, 2011 and October 30, 2010 are as follows (in thousands):

   
Balance
               
Balance
 
   
Beginning
               
End of
 
Three Months Ended
 
of Period
   
Additions
   
Deductions
   
Period
 
October 29, 2011
 
$
1,327
    $
326
    $
(312)
    $
1,341
 
October 30, 2010
   
1,244
     
219
     
(163)
     
1,300
 

                         
                         
Nine Months Ended
                       
October 29, 2011
 
$
1,300
    $
856
    $
(815)
    $
1,341
 
October 30, 2010
   
1,100
     
673
     
(473)
     
1,300