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Note 3 - Summary of Significant Accounting Policies - Allocation of Consideration Transferred (Details) (Parentheticals) - shares | Jul. 27, 2016 | Feb. 12, 2016
--- | --- | ---
Stock Issued During Period, Shares, Reverse Stock Split, Post-split | 25,867 |
Protagenic Therapeutics Inc [Member] |  |
Stock Issued During Period, Shares, Conversion of Series A Preferred Stock to Series B Preferred Stock |  | 297,468
Common Stock [Member] | Protagenic Therapeutics Inc [Member] |  |
Stock Issued During Period, Shares, Reverse Stock Split, Post-split |  | 25,867
Preferred Stock [Member] | Protagenic Therapeutics Inc [Member] | Series B Preferred Stock [Member] |  |
Stock Issued During Period, Shares, Conversion of Series A Preferred Stock to Series B Preferred Stock |  | 297,468

X
- Definition Number of shares issued during the period as a result of the conversion of Series A Preferred Stock to Series B Preferred Stock. + References No definition available. + Details
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X
- Definition Number of shares remaining as a result of a reverse stock split. + References No definition available. + Details
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X
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- Details
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