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Note 8 - Investment in Joint Ventures (Tables)
9 Months Ended
Sep. 30, 2024
Notes Tables  
Equity Method Investments [Table Text Block]
  

September 30,

  

December 31,

 
  

2024

  

2023

 

CETS

 $71,789  $62,704 

PVD-Expro

  3,748   3,698 

Total

 $75,537  $66,402