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Note 8 - Investment in Joint Ventures (Tables)
12 Months Ended
Dec. 31, 2024
Notes Tables  
Equity Method Investments [Table Text Block]
  

December 31,

 
  

2024

  

2023

 

CETS

 $70,696  $62,704 

PVD-Expro

  2,316   3,698 

Total

 $73,012  $66,402