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Note 5 - Non-operating Income (Tables)
3 Months Ended
Mar. 31, 2025
Notes Tables  
Schedule of Other Nonoperating Income, by Component [Table Text Block]
  

Three Months Ended

March 31

 
  

2025

  

2024

 

Dividends and net realized gains and losses on sales of securities

 $1,954  $2,056 

Interest income

  2,125   2,538 

Equity in earnings of unconsolidated investments

  -   67 

Gain on sale of unconsolidated company

  -   1,024 

Total non-operating income

 $4,079  $5,685