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INVENTORIES
 9 Months Ended
Apr. 30, 2020
Inventory Disclosure [Abstract]  
INVENTORIES
INVENTORIES
Inventories, net consisted of the following:
 
April 30,
2020
 
July 31,
2019
 
(In thousands)
Raw materials
$
18,060

 
$
21,322

Work-in-process
309

 
587

Finished goods
1,153

 
1,765

 
$
19,522

 
$
23,674