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Inventories
9 Months Ended
Sep. 30, 2023
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories were as follows (in thousands):
September 30,
2023
December 31, 2022
Raw materials and manufacturing supplies$5,406 $4,977 
Finished products1,374 1,964 
  Total inventories$6,780 $6,941 
As of September 30, 2023 and December 31, 2022, no inventory valuation allowance was determined to be necessary.