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Note 5 - Non-operating Income (Tables)
9 Months Ended
Sep. 30, 2025
Notes Tables  
Schedule of Other Nonoperating Income, by Component [Table Text Block]
  

Three Months Ended

September 30

  

Nine Months Ended

September 30

 
  

2025

  

2024

  

2025

  

2024

 

Dividends and net realized gains and losses on sales of securities

 $2,089  $1,683  $5,971  $5,462 

Interest income

  2,676   2,603   7,388   7,790 

Equity in earnings/(loss) of unconsolidated investments

  (105)  (62)  512   589 

Gain on sale of unconsolidated company

  -   -   -   1,024 

Total non-operating income

 $4,660  $4,224  $13,871  $14,865