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Inventory
12 Months Ended
Dec. 31, 2018
Inventory, Net [Abstract]  
Inventory INVENTORY

Our inventory consisted of the following:
 
 
As of December 31,
 
 
2018
 
2017
 
 
(In thousands)
Raw materials
 
$
4,856

 
$
5,484

Work-in-process
 
13,901

 
7,442

Finished goods
 
56,622

 
70,669

Total inventory
 
$
75,379

 
$
83,595