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Inventories
9 Months Ended
Sep. 30, 2019
Inventory Disclosure [Abstract]  
INVENTORIES
INVENTORIES

Inventories consist of the following (in thousands):
 
September 30, 2019
 
December 31, 2018
Raw material
$
48,158

 
$
57,845

Work-in-process
7,658

 
6,930

Finished goods
27,232

 
34,138

Total inventories
$
83,048

 
$
98,913