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Inventory
12 Months Ended
Dec. 31, 2019
Inventory Disclosure [Abstract]  
Inventory Inventory
Inventory consists of the following:
 
DECEMBER 31,
(in thousands)
2019
 
2018
Raw materials
$
1,400

 
$
836

Work-in-process
13,414

 
6,885

Finished goods
6,240

 
2,391

Total inventory
$
21,054

 
$
10,112