XML 32 R21.htm IDEA: XBRL DOCUMENT v3.24.3
Note 7 - Marketable Securities (Tables)
9 Months Ended
Sep. 30, 2024
Notes Tables  
Debt Securities, Available-for-Sale [Table Text Block]
  

September 30, 2024

 
  

Adjusted Cost

  

Unrealized Gains

  

Unrealized Losses

  

Fair Value

 

Level 2:

                

U.S. treasury securities

 $37,357  $48  $(1) $37,404 

Total

 $37,357  $48  $(1) $37,404 
  

December 31, 2023

 
  

Adjusted Cost

  

Unrealized Gains

  

Unrealized Losses

  

Fair Value

 

Level 2:

                

U.S. treasury securities

 $30,791  $10  $(1) $30,800 

Total

 $30,791  $10  $(1) $30,800