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INVENTORIES INVENTORIES (Tables)
12 Months Ended
Jul. 31, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories, net consisted of the following:
 
July 31,
2020
 
July 31,
2019
 
(In thousands)
Raw materials
$
14,216

 
$
21,322

Work-in-process
253

 
587

Finished goods
885

 
1,765

 
$
15,354

 
$
23,674