Quarterly report [Sections 13 or 15(d)]

Note 8 - Common Stock Warrants (Tables)

v3.25.2
Note 8 - Common Stock Warrants (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
   

October 2022

 
   

Warrants

 

Fair value of warrants outstanding as of December 31, 2024

  $ 16  

Change in fair value of warrants

    (15 )

Fair value of warrants outstanding as of March 31, 2025

  $ 1  

Change in fair value of warrants

    (1 )

Fair value of warrants outstanding as of June 30, 2025

  $ -  
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
   

June 30,

   

December 31,

 
   

2025

   

2024

 

Stock price

  $ 0.20     $ 2.00  

Risk-free interest rate

    3.72 %     4.27 %

Expected dividend yield

           

Expected term in years

    2.3       2.8  

Expected volatility

    132 %     155 %