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Inventories (Tables)
12 Months Ended
Dec. 31, 2023
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories consist of the following (in thousands):
 December 31,
 20232022
Raw materials$6,099 $5,351 
Work in progress839 336 
Finished goods5,740 5,475 
Consumable supplies2,605 2,394 
Inventories$15,283 $13,556