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Inventories
6 Months Ended
Jan. 31, 2015
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

Note 4 - Inventories


Inventories consist of the following:


  January 31,
2015
  July 31,
2014
 
Raw materials $ 1,086   $ 1,092  
Work in process   2,285     2,460  
Finished products   4,912     5,138  
  $ 8,283   $ 8,690