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Property and Equipment
12 Months Ended
Jan. 31, 2013
Property and Equipment  
Property and Equipment

(3) Property and Equipment

        Property and equipment are stated at cost, net of accumulated depreciation and amortization. These assets are depreciated and amortized using the straight-line method over their estimated useful lives. Property and equipment consisted of the following (in thousands):

 
  As of January 31,  
 
   2013    2012  

Computer equipment and software

  $ 16,077   $ 10,712  

Furniture and fixtures

    2,714     1,964  

Leasehold improvements

    4,129     1,903  
           

 

    22,920     14,579  

Less: accumulated depreciation and amortization

    (9,715 )   (5,660 )
           

Property and equipment, net

  $ 13,205   $ 8,919  
           

        Depreciation and amortization expense was $4.7 million, $2.1 million and $1.0 million for the fiscal years ended January 31, 2013, 2012 and 2011 respectively.