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Inventories (Tables)
6 Months Ended
Jun. 30, 2021
Inventories  
Schedule of inventories

As of June 30, 

As of December 31,

(in thousands)

    

2021

    

2020

Raw materials

$

20,502

$

19,716

Work in process

 

17,905

 

12,040

Finished goods

 

45,552

 

44,673

Total inventories

$

83,959

$

76,429