v3.25.2
Note 1 - Basis of Presentation and Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Debt Securities, Held-to-Maturity [Table Text Block]
  

June 30, 2025

  

December 31, 2024

 

Held to maturity U.S. Treasury securities

        

Amortized cost

 $-  $950 

Gross unrealized gain

  -   26 

Fair value

 $-  $977