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Inventory
6 Months Ended
Jun. 30, 2023
Inventory Disclosure [Abstract]  
Inventory

4. Inventory

 

Inventory consisted of the following at June 30, 2023 and December 31, 2022 (in thousands):

 

June 30, 2023

 

 

December 31, 2022

 

Finished goods

$

1,576

 

 

$

28

 

Work-in-process

 

4,431

 

 

 

2,341

 

Raw materials and supplies

 

62,029

 

 

 

55,669

 

Inventory

$

68,036

 

 

$

58,038