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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) (Parentheticals) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Share issuance costs |  | $ 16,900
Shares and warrants issuance costs | $ 80,628 |
Series F Preferred Stock |  |
Conversion of preferred stock price per share |  | $ 0.10
Series D Preferred Stock |  |
Conversion of preferred stock price per share |  | 0.10
Series B Preferred Stock |  |
Conversion of preferred stock price per share |  | 0.10
Conversion liability into common stock per share |  | $ 0.001

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