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Inventory (Tables)
 9 Months Ended
Feb. 28, 2013
Inventory

A summary of inventory as of February 28, 2013 and May 31, 2012 is as follows (in thousands):

 

     February 28, 2013      May 31, 2012  
     (unaudited)         

Raw materials

    $ 3,253       $ 3,529   

Work in progress

      948         937   

Finished goods

      22,610         20,520   
  

 

 

     

 

 

  

Total

    $ 26,811       $ 24,986