v3.26.3
Note 6 - Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2026
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
      

Fair Value Measurements Using

 
      

Quoted Prices

  

Significant

 
      

in Active

  

Other

 
  

Balance as of

  

Markets for

  

Observable

 
  

September 30,

  

Identical Assets

  

Inputs

 
  

2026

  

(Level 1)

  

(Level 2)

 

Assets:

            

Cash equivalents

            

Money market funds

 $1,367  $1,367  $— 

Marketable securities

            

U.S. government

  4,985   4,985   — 

Total assets at fair value

 $6,352  $6,352  $— 
      

Fair Value Measurements Using

 
      

Quoted Prices

  

Significant

 
      

in Active

  

Other

 
  

Balance as of

  

Markets for

  

Observable

 
  

December 31,

  

Identical Assets

  

Inputs

 
  

2025

  

(Level 1)

  

(Level 2)

 

Assets:

            

Cash equivalents

            

Money market funds

 $39,618  $39,618  $— 

Marketable securities

            

Corporate bonds

  6,058   —   6,058 

Commercial paper

  1,695   —   1,695 

Certificates of deposit

  1,958   —   1,958 

Total marketable securities

  9,711   —   9,711 

Total assets at fair value

 $49,329  $39,618  $9,711