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Document and Entity Information - USD ($)
 12 Months Ended
Jun. 30, 2018
Aug. 31, 2018
Dec. 31, 2017
Document and Entity Information [Abstract]      
Entity Registrant Name AYTU BIOSCIENCE, INC    
Entity Central Index Key 0001385818    
Trading Symbol AYTU    
Amendment Flag false    
Current Fiscal Year End Date --06-30    
Document Type 10-K    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Document Period End Date Jun. 30, 2018    
Document Fiscal Year Focus 2018    
Document Fiscal Period Focus FY    
Entity Filer Category Smaller Reporting Company    
Entity Public Float     $ 7,900,000
Entity Common Stock, Shares Outstanding   1,801,411