Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Fair Value Measurements (Tables)

v3.22.2
Note 4 - Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2022
Notes Tables  
Debt Securities, Available-for-Sale [Table Text Block]
     

June 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   $ 28,282     $     $ 28,282     $ 20,711     $     $ 20,711  

Government and municipal debt securities

Level 2

    29,814       (4 )     29,810       14,006       (2 )     14,004  

Corporate debt securities

Level 2

    2,496       (1 )     2,495       31,863       (16 )     31,847  

Total investments

  $ 60,592     $ (5 )   $ 60,587     $ 66,580     $ (18 )   $ 66,562