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Inventories (Tables)
6 Months Ended
Jun. 30, 2022
Inventories  
Schedule of inventories

(In thousands)

    

At June 30, 2022

    

At December 31, 2021

Finished goods

$

7,718

$

8,242

Component parts and work-in-process

 

12,252

 

10,975

Total inventories

$

19,970

$

19,217