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Inventories (Tables)
12 Months Ended
Dec. 31, 2024
Inventory Disclosure [Abstract]  
Inventories
Inventories consist of:
 
     
2024
             2023  
Raw materials and supplies
  
$
1,672
 
      $ 1,861  
Work-in-process
  
 
446
 
        450  
Finished goods
  
 
664
 
        569  
Tooling and engineering
  
 
1,369
 
        1,726  
    
$
    4,151
 
            $     4,606  
Tooling and engineering inventory represents costs incurred on tooling and engineering services contracts in excess of billed and unbilled amounts included in accounts receivable.