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Inventories
6 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
Inventories

5. Inventories

 

Inventories consisted of the following:

 

(Dollars in thousands)  June 30, 2021   December 31, 2020 
Raw materials  $5,013   $5,455 
Finished goods   1,270    1,273 
Total inventories  $6,283   $6,728