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INVENTORY (Tables)
3 Months Ended
Mar. 31, 2021
Inventory Disclosure [Abstract]  
Summary of Inventory
Inventory consisted of the following (in thousands): 
March 31, 2021December 31, 2020
 (unaudited) 
Raw materials$7,692 $7,395 
Work in progress2,967 2,890 
Finished goods25,942 26,569 
Total$36,601 $36,854