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Inventories (Tables)
6 Months Ended
Jun. 30, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventories

Inventories consist of the following (in thousands):

 

 

June 30,
2022

 

 

December 31,
2021

 

Finished goods

 

$

22,835

 

 

$

21,527

 

Parts and materials

 

 

26,613

 

 

 

20,965

 

Work in progress

 

 

3,103

 

 

 

2,951

 

Total inventories

 

$

52,551

 

 

$

45,443