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INVENTORIES (Tables)
12 Months Ended
Dec. 31, 2020
INVENTORIES  
Schedule of inventory

As of December 31,

2020

 

2019

(in thousands)

Raw materials

$

16,701

$

12,365

Finished goods

 

16,683

 

24,724

Materials and supplies

 

 

453

Total

$

33,384

$

37,542