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Inventories
3 Months Ended
Oct. 31, 2011
Inventories [Abstract]  
Inventories

5. Inventories

Inventories consist of the following (in thousands):

 

     October 31,     July 31,  
     2011     2011  

Raw materials and purchased components

   $ 1,834      $ 1,612   

Finished goods

     6,288        6,088   
  

 

 

   

 

 

 

Total

     8,122        7,700   

Obsolescence reserve

     (2,210     (2,184
  

 

 

   

 

 

 

Inventories

   $ 5,912      $ 5,516