Quarterly report pursuant to Section 13 or 15(d)

Inventories (Tables)

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Inventories (Tables)
 3 Months Ended
Oct. 31, 2014
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block] Inventories consist of the following:

    October 31,
2014 		    July 31,
2014 		 
Raw materials   $ 1,090     $ 1,092  
Work in process     2,454       2,460  
Finished products     4,979       5,138  
    $ 8,523     $ 8,690