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Equity Instruments (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended 12 Months Ended
May 31, 2018
Mar. 31, 2018
Jan. 31, 2018
Nov. 30, 2017
Sep. 30, 2017
Aug. 31, 2017
Feb. 28, 2017
Nov. 30, 2016
Oct. 31, 2016
May 31, 2016
Mar. 31, 2018
Dec. 31, 2017
Jun. 30, 2018
Jun. 30, 2017
Jun. 01, 2015
Equity Instruments (Textual)                              
Unrecognized expense share-based compensation expense                         $ 161,000    
Stock-based compensation expense                         348,515 $ 2,502,092  
Unrecognized share-based compensation expense                         $ 2,945,000    
Weighted-average period                         8 years 7 months 17 days    
Expense related to awards                         $ 139,000    
New warrant to purchase shares                         100,000    
Equity fair value               $ 4,200,000         $ 179,000    
Restricted stock for accelerated vesting                         2,000    
Exercise price             $ 300.00                
May 2016 Warrants [Member]                              
Equity Instruments (Textual)                              
Exercise price             $ 2,400.00                
Aggregate shares of common stock             4,334                
October 2016 Warrants [Member]                              
Equity Instruments (Textual)                              
Warrants to purchase of common stock             7,477                
Exercise price             $ 744                
Aggregate shares of common stock             15,051                
Proceeds from issuance of warrant             $ 2,200,000                
Restricted Stock [Member]                              
Equity Instruments (Textual)                              
Warrants exercise price                         $ 39.80    
Stock-based compensation expense                         $ 14,000    
IPO [Member]                              
Equity Instruments (Textual)                              
Unrecognized expense, shares               14,338              
Warrants issued                         5,750    
November 2016 Public Offering [Member]                              
Equity Instruments (Textual)                              
Warrants to purchase of common stock                         1,009    
Warrants exercise price                         $ 744.00    
Warrants exercise price term                         5 years    
November 2016 Public Offering One [Member]                              
Equity Instruments (Textual)                              
Warrants to purchase of common stock                         15,051    
Warrants exercise price                         $ 744.00    
Warrants exercise price term                         5 years    
Aytu Bioscience Inc [Member]                              
Equity Instruments (Textual)                              
Warrants to purchase of common stock   75,000                          
Warrants exercise price   $ 72.00                          
Aytu Bioscience Inc [Member] | Restricted Stock [Member]                              
Equity Instruments (Textual)                              
Restricted stock, Shares                     200        
Stock-based compensation expense                     $ 37,000        
Executive Officer [Member]                              
Equity Instruments (Textual)                              
Unrecognized expense, shares                         4,167    
2015 Stock Option and Incentive Plan [Member]                              
Equity Instruments (Textual)                              
Aggregate shares of common stock                         3,000,000   3,000,000
Unrecognized expense share-based compensation expense                         $ 1,593,000    
Grant purchase                         2,961,055    
Restricted stock, Shares     3,750 150 10,000           650 413 1,538    
Vesting expiry date                         10 years    
Stock-based compensation expense                       $ 36,000      
Vesting expiry date, description     January 2028   September 2027               July 2026    
2015 Stock Option and Incentive Plan [Member] | Aytu Bioscience Inc [Member]                              
Equity Instruments (Textual)                              
Restricted stock, Shares                     23,000        
Stock-based compensation expense                     $ 74,000        
2015 Stock Option and Incentive Plan [Member] | Executive Officer Director And Consultants [Member]                              
Equity Instruments (Textual)                              
Restricted stock, Shares       24,750                      
Vesting expiry date, description       November 2027                      
2015 Plan [Member]                              
Equity Instruments (Textual)                              
Restricted stock, Shares   650                          
Vesting expiry date, description   March 2028                          
2015 Plan [Member] | Officer [Member]                              
Equity Instruments (Textual)                              
Restricted stock, Shares     3,750                        
Vesting expiry date, description     January 2028                        
Common Stock [Member]                              
Equity Instruments (Textual)                              
Warrants to purchase of common stock                         80,750    
Equity fair value               $ 4,400,000              
Warrant [Member]                              
Equity Instruments (Textual)                              
Warrants to purchase of common stock           315,755               221  
Warrants exercise price $ 21,744.00 $ 10.80       $ 72.00 $ 300.00   $ 744.00 $ 2,400.00       $ 1,600.00  
Warrants exercise price term 5 years         5 years               5 years  
Warrants generated non-cash expense                           $ 596,000  
Net proceeds   $ 615,000                          
Unrecognized share-based compensation expense                         $ 1,288    
Equity fair value               $ 293,000              
Exercise price               $ 744.00              
Proceeds from issuance of warrant               $ 7,300,000              
Incremental fair value of warrant             $ 178,000           $ 23,000    
Warrant [Member] | IPO [Member]                              
Equity Instruments (Textual)                              
Warrants to purchase of common stock   1,533,356                          
Warrants exercise price   $ 10.80                          
Warrants exercise price term   5 years                          
Warrants issued   1,533,356                 1,533,356