Annual report pursuant to Section 13 and 15(d)

Note 4 - Marketable Securities (Tables)

v3.22.0.1
Note 4 - Marketable Securities (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Fair Value, Marketable Securities Measured on a Recurring Basis [Table Text Block]
           

Fair Value Measurements as of December 31, 2021

Using Inputs Considered as

 
   

Fair Value

   

Level 1

   

Level 2

   

Level 3

 

Commercial paper and corporate bonds

  $ 29,421     $     $ 29,421     $  

Government securities

    10,984             10,984        

Total marketable securities

  $ 40,405     $     $ 40,405     $  
           

Fair Value Measurements as of December 31, 2020

Using Inputs Considered as

 
   

Fair Value

   

Level 1

   

Level 2

   

Level 3

 

Commercial paper and corporate bonds

  $ 10,678     $     $ 10,678     $  

Bank certificates of deposit

    496             496        

Government securities

    8,924             8,924        

Total marketable securities

  $ 20,098     $     $ 20,098     $