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INVENTORY (Tables)
12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Summary of Inventory
A summary of inventory as of December 31, 2021 and 2020 is as follows (in thousands):
 
 December 31,
 20212020
Raw materials$7,641 $7,395 
Work in progress2,725 2,890 
Finished goods25,388 26,569 
Total$35,754 $36,854