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
Jan. 31, 2021
Jul. 31, 2020
Schedule of Inventories [Abstract]    
Raw materials $ 1,266 $ 1,019
Work in process 2,561 2,587
Finished products 5,431 4,178
Total inventories $ 9,258 $ 7,784