v3.25.2
Note 4 - Marketable Securities (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Marketable Securities [Table Text Block]
   

Fair Value Measurements as of June 30, 2025 Using:

 
   

Amortized Cost

   

Unrealized gains

   

Unrealized Losses

   

Fair Value

 

Assets

                               

Corporate bonds

  $ 60,981     $ 199     $ (5 )   $ 61,175  

Commercial paper

    9,414       2       (1 )     9,415  

Certificates of deposit

    918                   918  

U.S. government treasuries

    2,737             (3 )     2,734  

Asset-backed securities

    3,835       16             3,851  

Total assets

  $ 77,885     $ 217     $ (9 )   $ 78,093  
   

Fair Value Measurements as of December 31, 2024 Using:

 
   

Amortized Cost

   

Unrealized gains

   

Unrealized Losses

   

Fair Value

 

Assets

                               

Corporate bonds

  $ 44,794     $ 175     $ (6 )   $ 44,963  

Commercial paper

    12,081       5       (2 )     12,084  

Certificates of deposit

    15,262       8       (1 )     15,269  

U.S. government treasuries

    4,408       2       (11 )     4,399  

Asset-backed securities

    6,484       40             6,524  

Total assets

  $ 83,029     $ 230     $ (20 )   $ 83,239  
Investments Classified by Contractual Maturity Date [Table Text Block]
   

As of

 
   

June 30, 2025

   

December 31, 2024

 

Maturing in one year or less

  $ 42,338     $ 56,386  

Maturing after one year through two years

    35,755       26,853  

Total

  $ 78,093     $ 83,239