Quarterly report pursuant to Section 13 or 15(d)

Inventories (Tables)

v3.10.0.1
Inventories (Tables)
3 Months Ended
Oct. 31, 2018
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block] Inventories consist of the following:

    October 31,
2018
    July 31,
2018
 
Raw materials   $ 797     $ 754  
Work in process     2,338       2,174  
Finished products     4,453       4,350  
    $ 7,588     $ 7,278