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Inventory (Tables)
6 Months Ended
Jun. 30, 2021
Inventory  
Schedule of inventory

  

As of

As of

  

December 31,

June 30,

(in thousands)

2020

2021

Raw materials

$

952

$

1,379

Work in process

 

4,608

 

7,014

Finished goods

 

263

 

1,721

Total Inventory

$

5,823

$

10,113