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Inventories (Tables)
 12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Schedule of Components of Inventory The components of inventory as of December 31, 2021 and 2020 are summarized below:

 

 

December 31,

 

 

 

2021

 

 

2020

 

 

 

(in thousands)

 

Raw materials

 

$

2,314

 

 

$

2,080

 

Work in process

 

 

2,196

 

 

 

2,467

 

Finished goods

 

 

982

 

 

 

733

 

Total Inventories, net

 

$

5,492

 

 

$

5,280