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Common Stock (Details Textual) - USD ($) | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2016 | Aug. 31, 2016 | Jul. 31, 2016 | May 31, 2016 | Sep. 30, 2016 | Sep. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Common Stock [Line Items] |  |  |  |  |  |  |  |
Common Stock, Shares Authorized | 100,000,000 |  |  |  | 100,000,000 |  | 100,000,000 | 100,000,000
Common Stock, Par or Stated Value Per Share | $ 0.0001 |  |  |  | $ 0.0001 |  | $ 0.0001 | $ 0.0001
Preferred Stock, Shares Authorized | 50,000,000 |  |  |  | 50,000,000 |  | 50,000,000 | 50,000,000
Preferred Stock, Par or Stated Value Per Share | $ 0.0001 |  |  |  | $ 0.0001 |  | $ 0.0001 | $ 0.0001
Common Stock, Shares, Outstanding | 5,110,591 |  |  |  | 5,110,591 |  | 3,741,944 | 1,188,307
Stockholders' Equity, Reverse Stock Split |  |  |  |  | On June 8, 2015, we reincorporated as a domestic Delaware corporation under Delaware General Corporate Law and changed our name from Rosewind Corporation to Aytu BioScience, Inc., and effected a reverse stock split in which each common stockholder received one share of common stock for every 12.174 shares outstanding. On June 30, 2016, Aytu effected another reverse stock split in which each common stockholder received one share of common stock for every 12 shares outstanding (herein referred to collectively as the Reverse Stock Splits). All share and per share amounts in this report have been adjusted to reflect the effect of these Reverse Stock Splits. |  | On June 8, 2015, we reincorporated as a domestic Delaware corporation under Delaware General Corporate Law and changed our name from Rosewind Corporation to Aytu BioScience, Inc., and effected a reverse stock split in which each common stockholder received one share of common stock for every 12.174 shares outstanding. On June 30, 2016, Aytu effected another reverse stock split in which each common stockholder received one share of common stock for every 12 shares outstanding (herein referred to collectively as the Reverse Stock Splits). |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  |  |  | 441,999 |  | 326,469 |
Warrants and Rights Outstanding |  |  |  | $ 20,000 |  |  |  |
Stock Issued During Period, Value, New Issues |  |  |  |  | $ 607,234 |  |  |
Payments of Stock Issuance Costs |  |  |  |  | 24,247 | $ 0 | $ 904,914 | $ 0
Proceeds from Issuance of Common Stock |  |  |  |  | 631,481 | $ 0 | $ 7,520,493 | $ 0
Executive Officer [Member] |  |  |  |  |  |  |  |
Common Stock [Line Items] |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, Issued for Services |  | 142,457 |  |  |  |  |  |
Director [Member] |  |  |  |  |  |  |  |
Common Stock [Line Items] |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures |  |  | 1,000,000 |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date |  |  | Jul. 07, 2026 |  |  |  |  |
Lincoln Park Capital Fund LLC Purchase Agreement [Member] |  |  |  |  |  |  |  |
Common Stock [Line Items] |  |  |  |  |  |  |  |
Stock Issued During Period, Value, New Issues | $ 131,000 |  |  |  |  |  |  |
Payments of Stock Issuance Costs |  |  |  |  | 24,000 |  |  |
Common Stock, Shares Agreed To Purchase |  |  | 133,690 |  |  |  |  |
Common Stock, Value Agreed To Purchase |  |  | $ 500,000 |  |  |  |  |
Stock Issued During Period, Shares, Issued for Services |  |  | 52,500 |  |  |  |  |
Stock Issued During Period, Shares, New Issues | 40,000 |  |  |  |  |  |  |
Proceeds from Issuance of Common Stock |  |  |  |  | $ 607,000 |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |
Common Stock [Line Items] |  |  |  |  |  |  |  |
Stockholders' Equity, Reverse Stock Split |  |  |  |  | On June 30, 2016, Aytu effected a reverse stock split in which each common stock holder received one share of common stock for each 12 shares. All share and per share amounts for all periods presented in this report have been adjusted to reflect the effect of this reverse stock split |  | one share of common stock for each 12 shares |
Equity, Fair Value Disclosure |  |  |  | 4,200,000 |  |  |  |
Stock Issued During Period, Value, New Issues |  |  |  |  | $ 23 |  |  |
Stock Issued During Period, Shares, Issued for Services |  |  |  |  | 142,457 |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  |  | 226,190 |  |  |
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures |  |  |  |  | 1,000,000 |  |  |
Warrant [Member] |  |  |  |  |  |  |  |
Common Stock [Line Items] |  |  |  |  |  |  |  |
Equity, Fair Value Disclosure |  |  |  | 2,100,000 |  |  |  |
IPO [Member] |  |  |  |  |  |  |  |
Common Stock [Line Items] |  |  |  |  |  |  |  |
Proceeds from Issuance Initial Public Offering |  |  |  | $ 6,300,000 |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  | $ 6.00 |  |  |  |
Warrants Expiration Term |  |  |  | 5 years |  |  |  |
Stock Issued During Period, Value, New Issues |  |  |  | $ 7,500,000 |  |  |  |
Payments of Stock Issuance Costs |  |  |  | $ 1,200,000 |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  | 1,562,500 |  |  |  |
Over-Allotment Option [Member] |  |  |  |  |  |  |  |
Common Stock [Line Items] |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  | $ 0.12 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  |  | 234,375 |  |  |  |
Underwriters Exercised of Over-Allotment Option |  |  |  | 170,822 |  |  |  |

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