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Inventories
3 Months Ended
Oct. 31, 2012
Inventories [Abstract]  
Inventories
5. Inventories

Inventories consist of the following (in thousands):

 

                 
    October 31,
2012
    July 31,
2012
 

Raw materials and purchased components

  $ 1,189     $ 1,151  

Finished goods

    6,076       6,249  
   

 

 

   

 

 

 

Total

    7,265       7,400  

Obsolescence reserve

    (2,142     (2,139
   

 

 

   

 

 

 

Inventories

  $ 5,123     $ 5,261