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Note 3 - Summary of Significant Accounting Policies (Details Textual) - USD ($) |  | 12 Months Ended
--- | --- | ---
Feb. 12, 2016 | Dec. 31, 2016 | Dec. 31, 2015
Cash Equivalents, at Carrying Value |  | $ 0 | $ 0
Goodwill, Fair Value Disclosure | $ 0 |  |
Goodwill, Impairment Loss |  | $ 404,169 |
Fair Value Assumptions, Expected Dividend Rate |  | 0.00% |
Derivative, Gain (Loss) on Derivative, Net |  | $ (29,445) |
Private Placement [Member] | Series B Preferred Stock [Member] | Strategic Bio Partners [Member] | Debt Settlement [Member] |  |  |
Class of Warrant or Right, Issued | 295,945 |  |
Private Placement [Member] | Series B Preferred Stock [Member] | Placement Agent Warrants [Member] |  |  |
Class of Warrant or Right, Issued | 127,346 |  |
Protagenic Therapeutics Inc [Member] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net | $ 0 |  |
Equipment [Member] |  |  |
Property, Plant and Equipment, Useful Life |  | 3 years |

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