Quarterly report pursuant to Section 13 or 15(d)

Inventories (Tables)

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Inventories (Tables)
3 Months Ended
Oct. 31, 2015
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block] Inventories consist of the following:

    October 31,
2015
    July 31,
2015
 
Raw materials   $ 1,109     $ 1,013  
Work in process     1,984       2,002  
Finished products     4,489       4,381  
    $ 7,582     $ 7,396