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Inventory (Tables)
9 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Components of Inventory

Inventory is valued at the lower of cost or net realizable value and is comprised of the following (in thousands):

 

 

 

September 30,

 

 

December 31,

 

 

 

2021

 

 

2020

 

Raw materials

 

$

5,122

 

 

$

3,721

 

Work-in-process

 

 

1,784

 

 

 

1,158

 

Finished goods

 

 

7,156

 

 

 

6,278

 

Inventory

 

$

14,062

 

 

$

11,157