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Inventories (Tables)
 9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Components of Inventories

The components of inventories consisted of the following:

 

 

 

September 30,

 

 

December 31,

 

(in thousands)

 

2020

 

 

2019

 

Raw materials

 

$

10,796

 

 

$

11,788

 

Finished goods

 

 

5,500

 

 

 

5,481

 

Inventories

 

$

16,296

 

 

$

17,269