Quarterly report pursuant to Section 13 or 15(d)

Inventories (Tables)

v3.8.0.1
Inventories (Tables)
9 Months Ended
Apr. 30, 2018
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block] Inventories consist of the following:

    April 30,
2018
    July 31,
2017
 
Raw materials   $ 817     $ 852  
Work in process     2,065       1,905  
Finished products     4,396       4,290  
    $ 7,278     $ 7,047