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Inventory (Tables)
6 Months Ended
Jun. 30, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventory
Inventory consists of the following:
(in thousands)JUNE 30, 2020DECEMBER 31, 2019
Raw materials$2,033  $1,400  
Work-in-process14,037  13,414  
Finished goods3,022  6,240  
Total inventory$19,092  $21,054