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

(table only in thousands)

 

September 30, 2019

 

 

December 31, 2018

 

Raw materials

 

$

15,794

 

 

$

15,819

 

Work in process

 

 

5,983

 

 

 

6,098

 

Finished goods

 

 

574

 

 

 

807

 

Obsolescence allowance

 

 

(2,692

)

 

 

(1,907

)

Total inventories

 

$

19,659

 

 

$

20,817