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Inventory
3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Inventory Inventory
Inventory as of March 31, 2022 and December 31, 2021 consisted of the following (in thousands):
March 31,
2022
December 31,
2021
(unaudited)
Raw materials$7,898 $6,779 
Work in process2,181 1,772 
Finished goods7,541 7,857 
Total inventory$17,620 $16,408