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Inventories (Tables)
 12 Months Ended
Jul. 31, 2012
Inventories

Inventories consisted of the following at July 31, 2012 and 2011 (in thousands):

 

     2012      2011  

Raw materials

    $ 3,462       $ 4,398   

Work in process

      1,082         2,193   

Finished goods

      3,925         4,946   
  

 

 

     

 

 

  

Total

    $ 8,469       $ 11,537