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Inventory (Tables)
12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventory
Inventory consisted of the following (in thousands):
 
December 31,
 
20212020
Raw materials$8,867 $7,773 
Work in process27,717 20,610 
Finished goods12,927 7,291 
Total$49,511 $35,674 
Balance Sheet classification:
Current portion included in inventory$27,493 $20,973 
Long-term portion included in other long-term assets22,018 14,701 
Total$49,511 $35,674