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Inventories, net (Tables)
6 Months Ended
Jun. 30, 2020
Inventories, net  
Summary of Inventories, net

June 30, 

December 31, 

    

2020

    

2019

(in thousands)

Component parts

$

6,295

$

7,429

Work-in-process and finished goods

 

10,148

 

12,390

Total

$

16,443

$

19,819