Annual report pursuant to Section 13 and 15(d)

Note 6 - Common Stock, Preferred Stock, Warrants and Options - Warrants (Details)

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Note 6 - Common Stock, Preferred Stock, Warrants and Options - Warrants (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Outstanding, number of warrants (in shares) 1,061  
Outstanding, weighted-average exercise price (in dollars per share) $ 6,589  
Outstanding, weighted-average remaining life (Year) 4 years 306 days 94 days
Granted, number of warrants (in shares) 570,000  
Granted, weighted-average exercise price (in dollars per share) $ 0.052  
Expired, number of warrants (in shares) (1,061)  
Expired, weighted-average exercise price (in dollars per share) $ (6,589)  
Exercised, number of warrants (in shares)  
Exercised, weighted-average exercise price (in dollars per share)  
Outstanding, number of warrants (in shares) 570,000 1,061
Outstanding, weighted-average exercise price (in dollars per share) $ 0.052 $ 6,589
Outstanding, aggregate intrinsic value  
Exercisable, number of warrants (in shares) 570,000  
Exercisable, weighted-average exercise price (in dollars per share) $ 570,000  
Exercisable, weighted-average remaining life (Year) 4 years 306 days  
Exercisable, aggregate intrinsic value