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Inventory (Tables)
9 Months Ended
Sep. 30, 2021
Inventory  
Summary of Inventory

Inventory consisted of the following (in thousands):

    

September 30, 

December 31, 

    

2021

    

2020

Raw materials

$

10,315

$

6,754

Work in process

 

689

 

1,190

Finished goods

 

3,163

 

1,021

Total

$

14,167

$

8,965