Annual report pursuant to Section 13 and 15(d)

Note 8 - Stock Warrants - Summary of Stock Warrants (Details)

v3.22.2.2
Note 8 - Stock Warrants - Summary of Stock Warrants (Details) - Warrants [Member] - $ / shares
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Balance, shares (in shares) 2,000,000 2,000,000  
Balance, weighted average price (in dollars per share) $ 1.05 $ 1.05  
Balance, weighted average fair value (in dollars per share) $ 0.003 $ 0.003  
Outstanding, weighted average remaining contractual term (Year) 1 year 8 months 12 days 2 years 4 months 24 days 3 years 4 months 24 days
Outstanding, aggregate intrinsic value (in dollars per share) $ 0 $ 0.75 $ 0.05
Issued, shares (in shares) 550,000 0  
Issued, weighted average price (in dollars per share) $ 0.95 $ 0  
Exercised, shares (in shares) 0 0  
Exercised, weighted average price (in dollars per share) $ 0 $ 0  
Cancelled, shares (in shares) 0 0  
Cancelled, weighted average price (in dollars per share) $ 0 $ 0  
Expired, shares (in shares) 0 0  
Expired, weighted average price (in dollars per share) $ 0 $ 0  
Issued, weighted average fair value (in dollars per share) $ 0.023    
Balance, shares (in shares) 2,550,000 2,000,000 2,000,000
Balance, weighted average price (in dollars per share) $ 1.03 $ 1.05 $ 1.05
Balance, weighted average fair value (in dollars per share) $ 0.007 $ 0.003 $ 0.003
Exercisable, shares (in shares) 2,087,500    
Exercisable, weighted average price (in dollars per share) $ 1.05    
Exercisable, weighted average fair value (in dollars per share) $ 0.004    
Exercisable, weighted average remaining contractual term (Year) 1 year 3 months 18 days    
Exercisable, aggregate intrinsic value (in dollars per share) $ 0