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Inventories (Tables)
3 Months Ended
Mar. 31, 2020
Inventory Disclosure [Abstract]  
Schedule of inventories for the period The following table summarizes the components of inventories:
(in thousands)March 31, 2020December 31, 2019
Raw materials$5,322  $6,544  
Work-in-process2,900  3,660  
Finished goods4,609  3,837  
Total inventories$12,831  $14,041