v3.26.1
Note 5 - Stockholders' Equity, Options, and Warrants - Option Activity (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Outstanding (in shares) 25,562,500  
Outstanding, weighted average exercise price (in dollars per share) $ 0.05  
Outstanding, weighted average remaining contractual life (Year) 4 years 10 months 24 days 5 years 1 month 6 days
Granted (in shares) 0  
Granted, weighted average exercise price (in dollars per share) $ 0  
Exercised (in shares) 0  
Expired (in shares) 0  
Forfeited (in shares) 50,000  
Forfeited, weighted average exercise price (in dollars per share) $ 0.04  
Outstanding (in shares) 26,512,500 25,562,500
Outstanding, weighted average exercise price (in dollars per share) $ 0.05 $ 0.05
Exercisable (in shares) 22,357,500  
Exercisable, weighted average exercise price (in dollars per share) $ 0.05  
Exercisable, weighted average remaining contractual life (Year) 4 years 3 months 18 days  
Weighted Average [Member]    
Outstanding, aggregate intrinsic value  
Exercisable, aggregate intrinsic value $ 552,275