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Inventories (Tables)
9 Months Ended
Sep. 30, 2019
Inventory Disclosure [Abstract]  
Components of Inventories

The components of inventories consisted of the following:

 

 

 

September 30,

 

 

December 31,

 

(in thousands)

 

2019

 

 

2018

 

Raw materials

 

$

10,656

 

 

$

12,368

 

Finished goods

 

 

5,667

 

 

 

4,261

 

Inventories

 

$

16,323

 

 

$

16,629