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)

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Note 3 - Summary of Significant Accounting Policies - Antidilutive Securities Excluded From Computation of Earnings Per Share (Details) - shares
9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Total potentially dilutive shares (in shares) 169,248,473 103,428,981
Options [Member]    
Total potentially dilutive shares (in shares) 2,883,379 284,166
Warrant [Member]    
Total potentially dilutive shares (in shares) 1,061 65,228
Series A Convertible Preferred Stock [Member]    
Total potentially dilutive shares (in shares) 115,000 115,000
Series B Convertible Preferred Stock [Member]    
Total potentially dilutive shares (in shares) 41,842,241
Convertible Debt Securities [Member]    
Total potentially dilutive shares (in shares) 166,249,033 61,122,346