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Property and Equipment, net
12 Months Ended
Apr. 30, 2013
Property and Equipment, net  
Property and Equipment, net

5.     Property and Equipment, net

        Property and equipment consist of the following:

 
  April 30,  
 
  2013   2012  
 
  (In thousands)
 

Leasehold improvements

  $ 8,498   $ 8,471  

Machinery and equipment

    37,873     32,883  

Furniture and fixtures

    1,866     2,415  

Computer equipment and software

    23,432     14,894  

Construction in process

    7,142     9,103  
           

Property and equipment, gross

    78,811     67,766  

Less accumulated depreciation and amortization

    (54,382 )   (44,251 )
           

Property and equipment, net

  $ 24,429   $ 23,515