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Note 5 - Inventories (Tables)
3 Months Ended
Mar. 31, 2025
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

March 31,

  

December 31,

 
  

2025

  

2024

 
         

Finished goods

 $85,515  $67,897 

Work-in-process

  19,800   13,337 

Truck chassis inventory

  22,054   10,146 

Raw material and supplies

  44,103   45,654 
  $171,472  $137,034