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Inventory
6 Months Ended
Jun. 30, 2022
Inventory  
Inventory

4. Inventory

Inventory consisted of the following (in thousands):

June 30, 

December 31, 

    

2022

    

2021

Raw materials

$

7,621

$

6,242

Work-in-progress

2,666

 

551

Finished goods

891

 

1,125

$

11,178

$

7,918