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Inventories
3 Months Ended
Oct. 31, 2011
inventories [Abstract]  
INVENTORIES
3. INVENTORIES
The Company’s inventory consisted of the following at October 31, 2011 and July 31, 2011 (in thousands):
                 
    October 31, 2011     July 31, 2011  
Work-in-progress, spare parts and accessories
  $ 4     $ 4  
Finished goods
    519       527  
 
           
Total inventories
  $ 523     $ 531