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

- Details

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X

- Details

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X

- Details

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X

- Details

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