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Inventory (Tables)
6 Months Ended
Jun. 30, 2022
Inventory Disclosure [Abstract]  
Schedule of inventories
Inventories, net consisted of the following (in thousands):
June 30, 2022December 31, 2021
Raw materials
$20,454 $17,160 
Work in process
1,945 1,976 
Finished goods
6,558 5,993 
Total
$28,957 $25,129