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Inventories, net
 3 Months Ended
Mar. 31, 2019
Inventories, net [Abstract]  
Inventories, net
3. Inventories, net

The components of inventories, net were:

 
 
March 31,
2019
  
December 31,
2018
 
 
 
(In thousands)
 
 
      
Raw materials and purchased component parts
 
$
7,386
  
$
6,593
 
Work-in-process
  
140
   
29
 
Finished goods
  
6,861
   
6,213
 
 
 
$
14,387
  
$
12,835