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

 

(table only in thousands)

 

September 30, 2021

 

 

December 31, 2020

 

Raw materials

 

$

14,603

 

 

$

14,262

 

Work in process

 

 

5,916

 

 

 

5,594

 

Finished goods

 

 

945

 

 

 

496

 

Obsolescence allowance

 

 

(2,855

)

 

 

(3,009

)

Total inventories

 

$

18,609

 

 

$

17,343