v3.26.1
Note 3 - Fair Value of Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2026
Notes Tables  
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
  

Level 1

  

Level 2

  

Level 3

  

Total

 

June 30, 2026

                

Financial assets:

                

Money market funds

 $43,545  $—  $—  $43,545 

U.S. Treasury securities

  —   8,390   —   8,390 

Commercial paper

  —   7,479   —   7,479 

Total assets

 $43,545  $15,869  $—  $59,414 
  

Level 1

  

Level 2

  

Level 3

  

Total

 

December 31, 2025

                

Financial assets:

                

Money market funds

 $46,164  $—  $—  $46,164 

U.S. Treasury securities

  —   14,060   —   14,060 

Total assets

 $46,164  $14,060  $—  $60,224