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Common Stock (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended
Nov. 30, 2016
Sep. 30, 2016
Aug. 31, 2016
Jul. 31, 2016
May 31, 2016
Dec. 31, 2016
Dec. 31, 2016
Dec. 31, 2015
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           10,845,566 10,845,566   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           $ 1.86 $ 1.86    
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 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    
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.    
Equity, Fair Value Disclosure 4,400,000                
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                
Warrant [Member]                  
Common Stock [Line Items]                  
Equity, Fair Value Disclosure 4,200,000                
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