Annual report pursuant to Section 13 and 15(d)

Note 1 - Summary of Significant Accounting Policies - Antidilutive Securities Excluded From Computation of Earnings Per Share (Details)

v3.20.1
Note 1 - Summary of Significant Accounting Policies - Antidilutive Securities Excluded From Computation of Earnings Per Share (Details) - shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Total potentially dilutive shares (in shares) 35,523,014 290,137,401
Options [Member]    
Total potentially dilutive shares (in shares) 21,716,557 216,557
Warrant [Member]    
Total potentially dilutive shares (in shares) 570,000 1,061
Series A Convertible Preferred Stock [Member]    
Total potentially dilutive shares (in shares) 115,000 115,000
Convertible Debt Securities [Member]    
Total potentially dilutive shares (in shares) 1,311,457 289,804,783