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Common Stock (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended
Feb. 28, 2017
Nov. 30, 2016
Sep. 30, 2016
Aug. 31, 2016
Jul. 31, 2016
May 31, 2016
Mar. 31, 2017
Sep. 30, 2016
Mar. 31, 2017
Mar. 31, 2016
Jun. 30, 2016
Common Stock [Line Items]                      
Common Stock, Shares Authorized             100,000,000   100,000,000   100,000,000
Common Stock, Par or Stated Value Per Share             $ 0.0001   $ 0.0001   $ 0.0001
Preferred Stock, Shares Authorized             50,000,000   50,000,000   50,000,000
Preferred Stock, Par or Stated Value Per Share             $ 0.0001   $ 0.0001   $ 0.0001
Common Stock, Shares, Outstanding             13,836,607   13,836,607   3,741,944
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.    
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 0.75                    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross                 441,999    
Warrants and Rights Outstanding   $ 173,000                  
Stock Issued During Period, Value, New Issues                 $ 607,234    
Payments of Stock Issuance Costs                 24,247 $ 0  
Proceeds from Issuance of Common Stock                 631,481 0  
Adjustments To Additional Paid In Capital Warrants Issued In Connection With Equity Financing To Placement Agents For Over Allotment Option                 172,629    
Proceeds from Issuance of Warrants $ 2,200,000 3,000             2,852 0  
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures                 655,416    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 2,991,041                    
Stock or Unit Option Plan Expense                 2,241,989 $ 547,109  
May 2016 Warrants [Member]                      
Common Stock [Line Items]                      
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 6.00                    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 1,733,322                    
October 2016 Warrants [Member]                      
Common Stock [Line Items]                      
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 1.86                    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 6,020,245                    
Restricted Stock [Member]                      
Common Stock [Line Items]                      
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures                 3,230,000    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options             $ 2,575,000   2,575,000    
Stock or Unit Option Plan Expense             430,000        
Over Allotment Warrants [Member]                      
Common Stock [Line Items]                      
Equity, Fair Value Disclosure   208,000                  
Selling, General and Administrative Expenses [Member]                      
Common Stock [Line Items]                      
Allocated Share-based Compensation Expense             $ 499,000   $ 655,000    
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            
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.    
Equity, Fair Value Disclosure   4,400,000       $ 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    
Adjustments To Additional Paid In Capital Warrants Issued In Connection With Equity Financing To Placement Agents For Over Allotment Option                 $ 0    
Equity Relative Fair Value   3,700,000                  
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures                 $ 100    
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          
Stock Issued During Period, Value, New Issues   $ 8,600,000       $ 7,500,000          
Payments of Stock Issuance Costs   $ 998,000       $ 1,200,000          
Stock Issued During Period, Shares, New Issues   5,735,000       1,562,500          
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       $ 20,000