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Inventories (Tables)
6 Months Ended
Jun. 30, 2023
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories were as follows (in thousands):
June 30,
2023
December 31, 2022
Raw materials and manufacturing supplies$6,026 $4,977 
Finished products1,287 1,964 
  Total inventories$7,313 $6,941