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INVENTORIES (Tables)
12 Months Ended
Jul. 31, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventories Inventories, net consisted of the following:
July 31,
2021
July 31,
2020
(In thousands)
Raw materials$8,299 $9,380 
Work-in-process76 253 
Finished goods668 885 
$9,043 $10,518