v3.26.1
Note 6 - Warrants (Tables)
3 Months Ended
Mar. 31, 2026
Notes Tables  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
  

Warrants outstanding

  

Weighted average price per share

  

Weighted average remaining life

  

Aggregate intrinsic value(1)

 

Balance, December 31, 2024

  31,615,616  $0.29         

Expired

  (316,304) $0.12         

Vested Balance, March 31, 2025

  31,299,312  $0.29         
                 

Balance, December 31, 2025

  31,244,078  $0.29         

Issued

  1,198,832  $0.24         

Expired

  (225,000) $0.16         

Vested Balance, March 31, 2026

  32,217,910  $0.29   1.5  $ 
Schedule Of Assumptions Used To Determine Fair Value Of Warrants [Table Text Block]
  

2026

  

2025

 

Risk free interest rate

  3.64 - 3.77%  %

Expected volatility

  62 - 66%  %

Expected dividend yield

      

Forfeiture rate

      

Expected life in years

  .5 - 5