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Inventory (Tables)
12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventory
Inventory consists of the following:
DECEMBER 31,
(in thousands)20212020
Raw materials$5,368 $1,875 
Work-in-process30,989 21,648 
Finished goods4,053 3,536 
Total inventory$40,410 $27,059