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Note 8 - Investment in Joint Ventures (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Equity Method Investments [Table Text Block]
   

June 30,

   

December 31,

 
   

2025

   

2024

 

CETS

  $ 77,797     $ 70,696  

PVD-Expro

    1,818       2,316  

Total

  $ 79,615     $ 73,012