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Inventory (Tables)
3 Months Ended
Mar. 31, 2020
Inventory Disclosure [Abstract]  
Inventory
Inventory consists of the following (in thousands):
March 31, 2020December 31, 2019
Raw materials$1,198  $1,673  
Work-in-process11,463  8,267  
Finished goods1,659  2,725  
Total inventory$14,320  $12,665