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Note 3 - Fair Value of Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
   

June 30, 2025

 

Assets

Classification

 

Level 1

  

Level 2

  

Level 3

  

Total

 

Money market funds

Cash and cash equivalents

 $103,606  $  $  $103,606 

Total assets measured at fair value

 $103,606  $  $  $103,606 
   

December 31, 2024

 

Assets

Classification

 

Level 1

  

Level 2

  

Level 3

  

Total

 

Money market funds

Cash and cash equivalents

 $113,776  $  $  $113,776 

Total assets measured at fair value

 $113,776  $  $  $113,776