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Inventories (Tables)
12 Months Ended
Dec. 31, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventories for the Period The following table summarizes the components of inventories:

(in thousands)
 
December 31, 2019
 
December 31, 2018
Raw materials
 
$
6,544

 
$
1,291

Work-in-process
 
3,660

 
3,485

Finished goods
 
3,837

 
3,614

Total inventories
 
$
14,041

 
$
8,390