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Note 1 - Organization and Nature of Business (Details Textual) |  |  |  |  |  |  | 2 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 27, 2016 $ / shares shares | Jun. 27, 2016 $ / shares shares | Apr. 15, 2016 USD ($) $ / shares shares | Mar. 02, 2016 USD ($) shares | Feb. 13, 2016 | Feb. 12, 2016 USD ($) $ / shares shares | Apr. 15, 2016 USD ($) $ / shares shares | Dec. 31, 2016 shares | Sep. 30, 2016 USD ($) $ / shares shares | Sep. 30, 2015 USD ($) | Dec. 31, 2015 $ / shares shares | Dec. 31, 2014 $ / shares shares | Jul. 26, 2016 shares | Jun. 26, 2016 $ / shares shares | Oct. 02, 2015 $ / shares shares | Oct. 01, 2015 shares
Preferred Stock, Par or Stated Value Per Share | $ / shares | $ 0.000001 |  |  |  |  |  |  |  | $ 0.000001 |  | $ 0.000001 |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  |  |  |  |  |  |  | 1,974,445 |  | 490,000 | 240,000 |  |  |  |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares |  |  |  |  |  |  |  |  | $ 1.25 |  | $ 1.25 | $ 1 |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
Common Stock, Par or Stated Value Per Share | $ / shares | $ 0.0001 | $ 0.0001 |  |  |  | $ 0.0001 |  |  | $ 0.0001 |  | $ 0.0001 | $ 0.001 |  | $ 0.000001 | $ 0.001 |
Number of Wholly-Owned Subsidiaries Split Off |  |  |  |  | 29 |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Value, New Issues | $ |  |  |  |  |  |  |  |  | $ 4,761,797 |  |  |  |  |  |  |
Stock Issued During Period, Value, Conversion of Convertible Securities | $ |  |  |  |  |  |  |  |  | 75,265 |  |  |  |  |  |  |
Warrants Issued for Settlement and Conversion of Debt | $ |  |  |  |  |  |  |  |  | $ 340,784 |  |  |  |  |  |  |
Stock Shares Authorized | 120,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock, Shares Authorized | 100,000,000 | 100,000,000 |  |  |  |  |  |  | 100,000,000 |  | 20,000,000 | 20,000,000 |  | 100,000,000,000 | 20,000,000 | 10,000,000
Preferred Stock, Shares Authorized | 20,000,000 | 20,000,000 |  |  |  |  |  |  | 20,000,000 |  | 20,000,000 |  |  | 5,000,000,000 |  |
Stock Conversion from Series B Preferred Stock to Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible Preferred Stock, Shares Issued upon Conversion | 1 | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of Stock, Shares Converted |  |  |  |  |  |  |  |  | 8,221,837 |  |  |  |  |  |  |
Conversion of Stock, Shares Issued |  |  |  |  |  |  |  |  | 8,221,837 |  |  |  |  |  |  |
Reverse Stock Split [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio |  | 15,463.7183 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Scenario, Forecast [Member] | Stock Conversion from Series B Preferred Stock to Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of Stock, Shares Converted |  |  |  |  |  |  |  | 1,924,163 |  |  |  |  |  |  |  |
Private Placement [Member] | Placement Agent Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares |  |  | $ 1.25 |  |  |  | $ 1.25 |  |  |  |  |  |  |  |  |
Private Placement [Member] | Commissions [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments of Stock Issuance Costs | $ |  |  | $ 159,183 |  |  |  |  |  |  |  |  |  |  |  |  |
Private Placement [Member] | Expense Allowance [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments of Stock Issuance Costs | $ |  |  | 15,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Private Placement [Member] | Legal and Miscellaneous Fees [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments of Stock Issuance Costs | $ |  |  | $ 266,727 |  |  |  |  |  |  |  |  |  |  |  |  |
Momspot LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent |  |  |  |  |  | 51.00% |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners |  |  |  |  |  | 49.00% |  |  |  |  |  |  |  |  |  |
Interest Ownership Split Off |  |  |  |  | 51.00% |  |  |  |  |  |  |  |  |  |  |
Investors in the Private Offering [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Common Stock Held As Converted Basis |  |  |  |  |  | 2,775,000 |  |  |  |  |  |  |  |  |  |
Debt Principal Conversion to Predecessor Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Original Debt, Amount | $ |  |  |  |  |  | $ 665,000 |  |  |  |  |  |  |  |  |  |
Debt Interest Conversion to Predecessor Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Original Debt, Amount | $ |  |  |  |  |  | 35,000 |  |  |  |  |  |  |  |  |  |
Conversion of Outstanding Stockholder Debt [Member] | Chairman and Board Member Garo H. Armen [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Value, Conversion of Convertible Securities | $ |  |  |  |  |  | 350,000 |  |  |  |  |  |  |  |  |  |
Conversion of Outstanding Stockholder Debt [Member] | Predecessor's Stockholder [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Value, Conversion of Convertible Securities | $ |  |  |  |  |  | $ 150,000 |  |  |  |  |  |  |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, Reverse Stock Split, Post-split |  |  |  |  |  | 25,867 |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Value, New Issues | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Value, Conversion of Convertible Securities | $ |  |  |  |  |  |  |  |  | $ 6 |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  |  |  |  |  |  |  |  | 0 | 0 |  |  |  |
Series B Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Value, Conversion of Convertible Securities | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Convertible Preferred Stock | $ |  |  |  |  |  |  |  |  | $ 4,283,437 |  |  |  |  |  |  |
Potential Percentage of Common Stock Owned by Shareholder | 9.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of Stock, Shares Eligible for Conversion | 10,146,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Outstanding |  |  |  |  |  |  |  |  | 2,796,929 |  | 0 |  | 11,018,766 |  |  |
Conversion of Stock, Shares Eligible for Conversion, Shares to be Issued | 10,146,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of Stock, Remaining Shares to be Converted | 872,766 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Authorized |  |  |  |  |  |  |  |  | 18,000,000 |  | 18,000,000 |  |  |  |  |
Series B Preferred Stock [Member] | Reverse Stock Split [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio | 15,463.7183 |  |  |  |  | 15,463.7183 |  |  |  |  |  |  |  |  |  |
Series B Preferred Stock [Member] | Predecessor Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  |  |  |  |  | 295,945 |  |  |  |  |  |  |  |  |  |
Warrants Issued for Settlement and Conversion of Debt | $ |  |  |  |  |  | $ 340,784 |  |  |  |  |  |  |  |  |  |
Series B Preferred Stock [Member] | Private Placement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  |  |  |  |  | 423,291 |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares |  |  |  |  |  | $ 1.25 |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share | $ / shares |  |  |  |  |  | $ 1.25 |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Value, New Issues | $ |  |  |  |  |  | $ 3,468,750 |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  | 420,260 | 913,200 |  | 2,775,000 | 4,108,460 |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Convertible Preferred Stock | $ |  |  | $ 525,325 | $ 1,141,500 |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Private Placement | $ |  |  |  |  |  |  | $ 4,635,575 |  |  |  |  |  |  |  |  |
Proceeds From Issuance of Private Placement, Net of Issuance Costs | $ |  |  |  |  |  |  | 4,283,438 |  |  |  |  |  |  |  |  |
Series B Preferred Stock [Member] | Private Placement [Member] | Including Conversion of Principal and Interest [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Private Placement | $ |  |  |  |  |  |  | 5,135,575 |  |  |  |  |  |  |  |  |
Proceeds From Issuance of Private Placement, Net of Issuance Costs | $ |  |  |  |  |  |  | $ 4,783,438 |  |  |  |  |  |  |  |  |
Series B Preferred Stock [Member] | Private Placement [Member] | Placement Agent Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  |  | 127,346 |  |  |  | 127,346 |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Value of Securities Called by Warrants or Rights | $ |  |  | $ 146,641 |  |  |  | $ 146,641 |  |  |  |  |  |  |  |  |
Series B Preferred Stock [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Value, Conversion of Convertible Securities | $ |  |  |  |  |  |  |  |  | $ 822 |  |  |  |  |  |  |
Protagenic Therapeutics Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Conversion of Stock, Ratio |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |
Business Combination, Stock Warrant Conversion Ratio |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, Conversion of Series A Preferred Stock to Series B Preferred Stock |  |  |  |  |  | 297,468 |  |  |  |  |  |  |  |  |  |
Protagenic Therapeutics Inc [Member] | Placement Agent Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  |  |  |  |  | 127,346 |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares |  |  |  |  |  | $ 1.25 |  |  |  |  |  |  |  |  |  |
Protagenic Therapeutics Inc [Member] | Predecessor Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  |  |  |  |  | 295,945 |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares |  |  |  |  |  | $ 1.25 |  |  |  |  |  |  |  |  |  |
Protagenic Therapeutics Inc [Member] | Private Placement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  |  |  |  |  | 3,403,367 |  |  |  |  |  |  |  |  |  |
Protagenic Therapeutics Inc [Member] | Series B Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Shares Exchanged for Preferred Shares |  |  |  |  |  | 6,612,838 |  |  |  |  |  |  |  |  |  |
Preferred Stock, Par or Stated Value Per Share | $ / shares |  |  |  |  |  | $ 0.000001 |  |  |  |  |  |  |  |  |  |
Protagenic Therapeutics Inc [Member] | Series B Preferred Stock [Member] | New Options [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  |  |  |  | 1,807,744 |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares |  |  |  |  |  | $ 0.87 |  |  |  |  |  |  |  |  |  |
Protagenic Therapeutics Inc [Member] | Series B Preferred Stock [Member] | New Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  |  |  |  |  | 3,403,367 |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares |  |  |  |  |  | $ 1.03 |  |  |  |  |  |  |  |  |  |
Protagenic Therapeutics Inc [Member] | Series B Preferred Stock [Member] | Predecessor Options [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  |  |  |  | 17,784 |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares |  |  |  |  |  | $ 1.25 |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  |  |  |  |  | 295,945 |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares |  |  |  |  |  | $ 1.25 |  |  |  |  |  |  |  |  |  |

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