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

Inventories consisted of the following:

 

           
(Dollars in thousands)  June 30, 2022   December 31, 2021 
Raw materials  $3,680   $4,768 
Finished goods   1,551    1,742 
Total inventories  $5,231   $6,510