Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Fair Value Measurements (Tables)

v3.22.2.2
Note 4 - Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Debt Securities, Available-for-Sale [Table Text Block]
     

September 30, 2022

   

December 31, 2021

 
 

Fair Value Level1

 

Adjusted Cost

   

Gross Unrealized Losses

   

Fair Value

   

Adjusted Cost

   

Gross Unrealized Losses

   

Fair Value

 

Money market funds

Level 1

  $ 10,956     $     $ 10,956     $ 20,711     $     $ 20,711  

Government and municipal debt securities

Level 2

    10,658       (2 )     10,656       14,006       (2 )     14,004  

Corporate debt securities

Level 2

    37,008       (37 )     36,971       31,863       (16 )     31,847  

Total investments

  $ 58,622     $ (39 )   $ 58,583     $ 66,580     $ (18 )   $ 66,562