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Note 10 - Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2024
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
   

Fair Value as of September 30, 2024

 

Assets (Liabilities) (in thousands)

 

Level 1

   

Level 2

   

Level 3

   

Total

 

Interest rate swap agreement

  $ -     $ (223 )   $ -     $ (223 )
   

Fair Value as of December 31, 2023

 
   

Level 1

   

Level 2

   

Level 3

   

Total

 

Equity securities - common stock

  $ 3,511     $ -     $ -     $ 3,511  

Interest rate swap agreement

  $ -     $ (199 )   $ -     $ (199 )