Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Summary of Significant Accounting Policies - Antidilutive Securities Excluded From Computation of Earnings Per Share (Details)

v3.20.2
Note 3 - Summary of Significant Accounting Policies - Antidilutive Securities Excluded From Computation of Earnings Per Share (Details) - shares
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Total potentially dilutive shares (in shares) 57,852,957 273,938,433
Options [Member]    
Total potentially dilutive shares (in shares) 20,212,174 20,716,557
Warrant [Member]    
Total potentially dilutive shares (in shares) 1,770,000 61
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) 35,755,783 253,106,815