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Common Stock (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Nov. 30, 2016
Sep. 30, 2016
Jul. 31, 2016
May 31, 2016
Dec. 31, 2016
Dec. 31, 2016
Dec. 31, 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         10,845,566 10,845,566   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”).  
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 1.86 $ 1.86      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross           441,999      
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
Adjustments To Additional Paid In Capital Warrants Issued In Connection With Equity Financing To Placement Agents For Over Allotment Option           172,629   $ 20,493  
Proceeds from Issuance of Warrants $ 3,000         2,852      
Over Allotment Warrants [Member]                  
Common Stock [Line Items]                  
Equity, Fair Value Disclosure 208,000                
Equity Relative Fair Value 173,000                
Selling, General and Administrative Expenses [Member]                  
Common Stock [Line Items]                  
Allocated Share-based Compensation Expense         $ 75,000 157,000      
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 LIC Purchase Agreement [Member]                  
Common Stock [Line Items]                  
Stock Issued During Period, Value, New Issues   $ 131,000              
Stock Issued During Period, Shares, New Issues   40,000              
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            
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 4,400,000     4,200,000          
Stock Issued During Period, Value, New Issues           $ 23      
Stock Issued During Period, Shares, New Issues           226,190      
Stock Issued During Period, Shares, Issued for Services           142,457      
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures           1,000,000      
Adjustments To Additional Paid In Capital Warrants Issued In Connection With Equity Financing To Placement Agents For Over Allotment Option           $ 0   $ 0  
Equity Relative Fair Value 3,700,000                
Warrant [Member]                  
Common Stock [Line Items]                  
Equity, Fair Value Disclosure 4,200,000     2,100,000          
Equity Relative Fair Value 3,500,000                
IPO [Member]                  
Common Stock [Line Items]                  
Proceeds from Issuance Initial Public Offering $ 7,600,000     $ 6,300,000          
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 1.86     $ 6.00          
Warrants Expiration Term       5 years          
Stock Issued During Period, Value, New Issues $ 8,600,000     $ 7,500,000          
Stock Issued During Period, Shares, New Issues 5,735,000     1,562,500          
Payments of Stock Issuance Costs $ 998,000     $ 1,200,000          
Over-Allotment Option [Member]                  
Common Stock [Line Items]                  
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 0.01     $ 0.12          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 860,250     234,375          
Underwriters Exercised of Over-Allotment Option 285,245     170,822          
Adjustments To Additional Paid In Capital Warrants Issued In Connection With Equity Financing To Placement Agents For Over Allotment Option $ 293,000                
Proceeds from Issuance of Warrants $ 7,300,000