v3.25.2
Note 6 - Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
   

Asset

Balance

         
   

June 30, 2025

   

December 31, 2024

   

Input Level

 

Trading investments

  $ 35.2     $ 33.9       1