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Note 3 - Fair Value of Financial Instruments (Tables)
3 Months Ended
Mar. 31, 2024
Notes Tables  
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
   

March 31, 2024

 

Assets

Classification

 

Level 1

  

Level 2

  

Level 3

  

Total

 

Money market funds

Cash and cash equivalents

 $32,702  $  $  $32,702 

Total assets measured at fair value

 $32,702  $  $  $32,702 
   

December 31, 2023

 

Assets

Classification

 

Level 1

  

Level 2

  

Level 3

  

Total

 

Money market funds

Cash and cash equivalents

 $41,184  $  $  $41,184 

Total assets measured at fair value

 $41,184  $  $  $41,184