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Note 3 - Summary of Significant Accounting Policies (Details) - shares | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Anti-dilutive securities | 9,978,530 | 4,710,056
Stock Options |  |
Anti-dilutive securities | 0 | 3
Warrant |  |
Anti-dilutive securities | 221,041 | 106,650
Convertible Notes Payable |  |
Anti-dilutive securities | 9,065,262 | 3,911,176
Series J |  |
Anti-dilutive securities | 692,220 | 692,220
Series C |  |
Anti-dilutive securities | 7 | 7

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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