Quarterly report [Sections 13 or 15(d)]

Note 4 - Fair Value Measurements (Tables)

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Note 4 - Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2025
Notes Tables  
Debt Securities, Available-for-Sale [Table Text Block]
     

March 31, 2025

   

December 31, 2024

 
 

Fair Value Level1

 

Adjusted Cost

   

Gross Unrealized Losses

   

Fair Value

   

Adjusted Cost

   

Gross Unrealized Losses

   

Fair Value

 

Money market funds

Level 1

  $ 7,873     $     $ 7,873     $ 2,092     $     $ 2,092  

Municipal debt securities

Level 2

    8,746       (2 )     8,744       3,458             3,458  

Corporate debt securities

Level 2

    17,507       (15 )     17,492       30,491       (26 )     30,465  

Total investments

  $ 34,126     $ (17 )   $ 34,109     $ 36,041     $ (26 )   $ 36,015