v3.25.4
Note 2 - Fair Value of Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2025
Notes Tables  
Fair Value, Assets Measured on Recurring Basis [Table Text Block]

December 31, 2025

 

Level 1

  

Level 2

  

Level 3

  

Total

 

Money market securities

 $1,210  $  $  $1,210 

Commercial paper

     7,093      7,093 

Federal agency notes

     2,223      2,223 

Corporate notes

     923      923 

Total

 $1,210  $10,239  $  $11,449 

December 31, 2024

 

Level 1

  

Level 2

  

Level 3

  

Total

 

Money market securities

 $112  $  $  $112 

Commercial paper

     10,633      10,633 

U.S. treasuries

     9,192      9,192 

Federal agency notes

     5,317      5,317 

Total

 $112  $25,142  $  $25,254 
Investments Classified by Contractual Maturity Date [Table Text Block]
  

Maturities by Period

 
      

Less than

  1-5  5-10  

More than

 
  

Total

  

1 year

  

years

  

years

  

10 years

 

Cash equivalents and marketable securities

 $11,449  $11,449  $  $  $