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Inventory (Tables)
 12 Months Ended
May 31, 2013
Summary of Inventory

A summary of inventory as of May 31, 2013 and 2012 is as follows (in thousands):

 

     May 31,  
     2013      2012  

Raw materials

    $ 3,460       $ 3,529   

Work in progress

      845         937   

Finished goods

      22,202         20,520   
  

 

 

     

 

 

  

Total

    $ 26,507       $ 24,986