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Inventories
6 Months Ended
Jun. 30, 2022
Inventory Disclosure [Abstract]  
Inventories

(4) Inventories

 

Inventories consist of the following (in thousands):

 

   June 30, 2022   December 31, 2021 
Raw materials  $5,034   $5,613 
Work in process   856    571 
Finished goods   10,571    11,761 
Total  $16,461   $17,945