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Note 8 - Software, equipment and leasehold improvements
12 Months Ended
Jan. 28, 2012
Property, Plant and Equipment Disclosure [Text Block]
8.            Software, equipment and leasehold improvements

Software, equipment and leasehold improvements consist of the following (in thousands):

   
January 28, 2012
   
January 29, 2011
 
Software
 
$
47,471
   
$
33,160
 
Equipment
   
14,486
     
10,824
 
Office equipment and furniture
   
8,144
     
7,306
 
Leasehold improvements
   
3,520
     
3,159
 
Total
 
$
73,621
   
$
54,449
 
Accumulated depreciation and amortization
   
(37,708
)    
(26,057
)
Total
 
$
35,913
   
$
28,392
 

Software includes intellectual property that we purchase for incorporation into our product designs.  We begin amortizing such intellectual property at the time that we begin shipment of the associated products into which it is incorporated.  We amortize the intellectual property over the estimated useful life of the associated products, which is generally two to three years.  As of January 28, 2012 and January 29, 2011, we had $13.8 million and $9.1 million, respectively, of such software which we have not yet begun to amortize.  Software, equipment and leasehold improvement depreciation and amortization expense for fiscal 2012, 2011 and 2010 was $12.8 million, $9.3 million and $6.4 million, respectively.