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Note 4 - Property, Plant and Equipment (Tables)
3 Months Ended
Mar. 31, 2024
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   

March 31,
2024

   

December 31,
2023

 

Land

  $ 6,172     $ 6,214  

Buildings

    121,809       121,517  

Machinery and equipment

    230,474       227,567  
    $ 358,455     $ 355,298  

Less accumulated depreciation

    (223,594 )     (220,426

)

Property, plant and equipment, net

  $ 134,861     $ 134,872