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Inventories, net (Tables)
 12 Months Ended
Dec. 31, 2019
Inventories, net [Abstract]  
Inventories, net
The components of inventories, net are:
 
 
 
December 31,
 
(In thousands)
 
2019
  
2018
 
Raw materials and purchased component parts
 
$
7,724
  
$
6,593
 
Work-in-process
  
–
   
29
 
Finished goods
  
4,375
   
6,213
 
 
 
$
12,099
  
$
12,835