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Inventory (Tables)
 6 Months Ended
Nov. 30, 2013
Summary of Inventory

A summary of inventory as of November 30, 2013 and May 31, 2013 is as follows (in thousands):

 

     November 30, 2013      May 31, 2013  
     (unaudited)         

Raw materials

    $ 3,237       $ 3,460   

Work in progress

      1,037         845   

Finished goods

      22,359         22,202   
  

 

 

     

 

 

  

Total

    $ 26,633       $ 26,507