Quarterly report pursuant to Section 13 or 15(d)

Inventories (Tables)

v3.20.1
Inventories (Tables)
9 Months Ended
Apr. 30, 2020
Inventory Disclosure [Abstract]  
Schedule of inventory current
    April 30,
2020
    July 31,
2019
 
Raw materials   $ 907     $ 876  
Work in process     2,652       2,566  
Finished products     4,459       4,400  
    $ 8,018     $ 7,842