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Inventories, net
 3 Months Ended
Mar. 31, 2020
Inventories, net [Abstract]  
Inventories, net
4. Inventories, net

The components of inventories, net were:

  
March 31,
2020
  
December 31,
2019
 
  
(In thousands)
 
       
Raw materials and purchased component parts
 
$
9,071
  
$
7,724
 
Work-in-process
  
7
   
–
 
Finished goods
  
3,508
   
4,375
 
  
$
12,586
  
$
12,099