Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Marketable Securities (Tables)

v3.23.3
Note 4 - Marketable Securities (Tables)
9 Months Ended
Sep. 30, 2023
Notes Tables  
Fair Value, Marketable Securities Measured on a Recurring Basis [Table Text Block]
   

Fair Value Measurements Using Inputs Considered as of:

 
    September 30, 2023    

December 31, 2022

 
   

Total

   

Level 1

   

Level 2

   

Level 3

   

Total

   

Level 1

   

Level 2

   

Level 3

 

Commercial paper and corporate bonds

  $ 20,702     $     $ 20,702     $     $ 14,209     $     $ 14,209     $  

Government securities

    33,277             33,277             14,565             14,565        

Total

  $ 53,979     $     $ 53,979     $     $ 28,774     $     $ 28,774     $