Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details) - Schedule of inventories

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Inventories (Details) - Schedule of inventories - USD ($)
$ in Thousands
Apr. 30, 2022
Jul. 31, 2021
Schedule of inventories [Abstract]    
Raw materials $ 1,480 $ 1,062
Work in process 2,598 2,534
Finished products 10,856 9,056
Total inventories $ 14,934 $ 12,652