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Inventories
12 Months Ended
Jul. 31, 2012
Inventories

3.    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