Quarterly report [Sections 13 or 15(d)]

Note 8 - Long-term Investments (Tables)

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Note 8 - Long-term Investments (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

June 30, 2025

       

Balance, beginning of period

  $ 1,200,000  

Transfer in

    -  

Unrealized loss

    (44,000 )

Ending balance

    1,156,000  

Amount of unrealized loss for the period included in income relating to assets held at the end of the reporting period

    (44,000 )

December 31, 2024

       

Balance, beginning of period

  $ -  

Transfer in

    1,200,000  

Unrealized loss

    -  

Ending balance

    1,200,000  

Amount of unrealized loss for the period included in income relating to assets held at the end of the reporting period

    -