Quarterly report pursuant to Section 13 or 15(d)

Inventories (Tables)

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Inventories (Tables)
6 Months Ended
Jan. 31, 2022
Inventories [Abstract]  
Schedule of Inventories
    January 31,
2022
    July 31,
2021
 
Raw materials   $ 1,349     $ 1,062  
Work in process     2,802       2,534  
Finished products     9,700       9,056  
    $ 13,851     $ 12,652