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Inventory (Tables)
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Inventory
Inventory consists of the following (in thousands):
September 30, 2020December 31, 2019
Raw materials$1,387 $1,673 
Work-in-process11,188 8,267 
Finished goods317 2,725 
Total inventory$12,892 $12,665