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Note 3 - Inventories (Tables)
3 Months Ended
Mar. 31, 2024
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

March 31,
2024

   

December 31,
2023

 

Inventories, net:

               

Raw materials and in-process

  $ 36,194     $ 37,037  

Finished parts

    50,541       52,458  

Finished products

    14,318       14,661  

Total net inventories

  $ 101,053     $ 104,156