Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Marketable Securities (Tables)

v3.22.2
Note 4 - Marketable Securities (Tables)
6 Months Ended
Jun. 30, 2022
Notes Tables  
Fair Value, Marketable Securities Measured on a Recurring Basis [Table Text Block]
   

Fair Value Measurements Using Inputs Considered as of:

 
   

June 30, 2022

   

December 31, 2021

 
   

Total

   

Level 1

   

Level 2

   

Level 3

   

Total

   

Level 1

   

Level 2

   

Level 3

 

Government securities

  $ 24,286     $     $ 24,286     $     $ 29,421     $     $ 29,421     $  

Commercial paper and corporate bonds

    11,095             11,095             10,984             10,984        

Total

  $ 35,381     $     $ 35,381     $     $ 40,405     $     $ 40,405     $