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Business, Basis of Presentation, Merger and Business Combinations (Details Textual)
CAD / shares in Units, $ / shares in Units, CAD in Millions
 1 Months Ended 12 Months Ended
May 31, 2017
USD ($)
shares
Mar. 31, 2017
USD ($)
Jan. 31, 2017
USD ($)
Oct. 31, 2016
USD ($)
Apr. 28, 2016
USD ($)
$ / shares
shares
Oct. 31, 2015
USD ($)
May 31, 2015
USD ($)
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
May 05, 2017
USD ($)
Apr. 28, 2016
CAD
CAD / shares
Oct. 05, 2015
USD ($)
May 20, 2015
USD ($)
Business Acquisition [Line Items]                          
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; On August 25, 2017, Aytu effected another reverse stock split in which each common stockholder received one share of common stock for every 20 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.          
Business Combination, Contingent Consideration, Liability, Noncurrent               $ 7,386,782 $ 3,869,122        
Amortization of Intangible Assets               1,708,771 664,707        
Accretion Expense                 6,000,000        
Third Upfront [Member]                          
Business Acquisition [Line Items]                          
Business Combination, Consideration Transferred, Liabilities Incurred     $ 4,000,000                    
Prosta Scint [Member]                          
Business Acquisition [Line Items]                          
Amortization of Intangible Assets               159,000 159,000        
Prostascint Business [Member]                          
Business Acquisition [Line Items]                          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets, Total             $ 2,400,000           $ 2,391,000
Business Combination, Contingent Consideration, Liability, Noncurrent             227,000            
Payments to Acquire Businesses, Gross             1,000,000            
Business Combination, Contingent Consideration Arrangements, Change in Range of Outcomes, Contingent Consideration, Liability, Value, High             $ 2,500,000            
Business Combination Contingent Consideration Percentage             8.00%            
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Asset             $ 664,000            
Business Combination Consideration Transferred Product Inventory             $ 500,000            
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total                         1,590,000
Prostascint Business [Member] | Developed Technology Rights [Member]                          
Business Acquisition [Line Items]                          
Amortization of Intangible Assets               54,000          
Prostascint Business [Member] | Trade Names [Member]                          
Business Acquisition [Line Items]                          
Amortization of Intangible Assets               7,000          
Prostascint Business [Member] | Customer Contracts [Member]                          
Business Acquisition [Line Items]                          
Amortization of Intangible Assets               0          
Jazz Pharmaceuticals Inc [Member] | Prosta Scint [Member] | Developed Technology Rights [Member]                          
Business Acquisition [Line Items]                          
Finite-Lived Intangible Assets, Gross                         790,000
Jazz Pharmaceuticals Inc [Member] | Prosta Scint [Member] | Trade Names [Member]                          
Business Acquisition [Line Items]                          
Finite-Lived Intangible Assets, Gross                         80,000
Jazz Pharmaceuticals Inc [Member] | Prosta Scint [Member] | Customer Contracts [Member]                          
Business Acquisition [Line Items]                          
Finite-Lived Intangible Assets, Gross                         $ 720,000
Primsol Business [Member]                          
Business Acquisition [Line Items]                          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets, Total                   $ 3,839,000   $ 1,799,000  
Payments to Acquire Businesses, Gross           $ 500,000              
Business Combination, Consideration Transferred, Liabilities Incurred           142,000              
Amortization of Intangible Assets               184,000 174,000        
Business Combination Consideration Transferred Inventory           102,000   102,000          
Business Combination Consideration Transferred Product Inventory           40,000              
Business Combination Consideration Transferred Work In Process Inventory               80,000          
Proceeds from Divestiture of Businesses   $ 1,750,000                      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total                   $ 1,540,000   $ 1,470,000  
Primsol Business [Member] | Selling, General and Administrative Expenses [Member]                          
Business Acquisition [Line Items]                          
Gain (Loss) on Disposition of Business   $ 428,000                      
Primsol Business [Member] | Developed Technology Rights [Member]                          
Business Acquisition [Line Items]                          
Amortization of Intangible Assets               520,000          
Primsol Business [Member] | Trade Names [Member]                          
Business Acquisition [Line Items]                          
Amortization of Intangible Assets               140,000          
Primsol Business [Member] | Customer Contracts [Member]                          
Business Acquisition [Line Items]                          
Amortization of Intangible Assets               810,000          
Primsol Business [Member] | Paid on April 1, 2016 [Member]                          
Business Acquisition [Line Items]                          
Business Combination, Consideration Transferred, Liabilities Incurred           500,000              
Primsol Business [Member] | No Later Than July 01, 2016 [Member]                          
Business Acquisition [Line Items]                          
Business Combination, Consideration Transferred, Liabilities Incurred           500,000              
Primsol Business [Member] | No Later Than September 30, 2016 [Member]                          
Business Acquisition [Line Items]                          
Business Combination, Consideration Transferred, Liabilities Incurred           $ 250,000              
Natesto [Member]                          
Business Acquisition [Line Items]                          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets, Total               10,500,000          
Payments to Acquire Businesses, Gross       $ 2,000,000 $ 2,000,000                
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Asset               5,700,000 3,200,000        
Amortization of Intangible Assets               1,300,000 0        
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares         12,245,411                
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned | CAD                     CAD 2.5    
Business Acquisition, Share Price | (per share)         $ 0.16           CAD 0.207    
One Time Non-Refundable Payments         $ 0                
Accretion Expense               228,000 228,000        
Natesto [Member] | License And Supply Agreement [Member]                          
Business Acquisition [Line Items]                          
Cost Of Sale For Investment               92,000          
Proceeds from Sale of Available-for-sale Securities, Equity               1,100,000          
Available-for-sale Securities, Gross Unrealized Loss               62,000 972,000        
Natesto [Member] | First Milestone [Member] | License And Supply Agreement [Member]                          
Business Acquisition [Line Items]                          
One Time Non-Refundable Payments         2,500,000                
Sales Revenue Target         25,000,000                
Natesto [Member] | Second Milestone [Member] | License And Supply Agreement [Member]                          
Business Acquisition [Line Items]                          
One Time Non-Refundable Payments         5,000,000                
Sales Revenue Target         50,000,000                
Natesto [Member] | Third Milestone [Member] | License And Supply Agreement [Member]                          
Business Acquisition [Line Items]                          
One Time Non-Refundable Payments         7,500,000                
Sales Revenue Target         75,000,000                
Natesto [Member] | Forth Milestone [Member] | License And Supply Agreement [Member]                          
Business Acquisition [Line Items]                          
One Time Non-Refundable Payments         10,000,000                
Sales Revenue Target         100,000,000                
Natesto [Member] | Fifth Milestone [Member] | License And Supply Agreement [Member]                          
Business Acquisition [Line Items]                          
One Time Non-Refundable Payments         12,500,000                
Sales Revenue Target         125,000,000                
Natesto [Member] | Second Upfront [Member]                          
Business Acquisition [Line Items]                          
Business Combination, Contingent Consideration, Liability, Noncurrent         $ 2,000,000                
Nuelle, Inc. [Member]                          
Business Acquisition [Line Items]                          
Business Combination, Contingent Consideration Arrangements, Change in Range of Outcomes, Contingent Consideration, Liability, Value, High $ 6,900,000                        
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Asset $ 1,900,000                        
Amortization of Intangible Assets               22,000 0        
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares 125,000                        
Sales Revenue Target $ 100,000,000                        
Accretion Expense               12,000 $ 0        
Revenue Earn-Out Payments Equal to Designated Percentage of Net Sales 24,000,000                        
Liabilities Assumed               $ 47,000          
Nuelle, Inc. [Member] | First Milestone [Member]                          
Business Acquisition [Line Items]                          
One Time Non-Refundable Payments 1,000,000                        
Sales Revenue Target 10,000,000                        
Nuelle, Inc. [Member] | Second Milestone [Member]                          
Business Acquisition [Line Items]                          
One Time Non-Refundable Payments 1,800,000                        
Sales Revenue Target 17,500,000                        
Nuelle, Inc. [Member] | Third Milestone [Member]                          
Business Acquisition [Line Items]                          
One Time Non-Refundable Payments 2,500,000                        
Sales Revenue Target 25,000,000                        
Nuelle, Inc. [Member] | Forth Milestone [Member]                          
Business Acquisition [Line Items]                          
One Time Non-Refundable Payments 3,800,000                        
Sales Revenue Target 37,500,000                        
Nuelle, Inc. [Member] | Fifth Milestone [Member]                          
Business Acquisition [Line Items]                          
One Time Non-Refundable Payments 5,000,000                        
Sales Revenue Target 50,000,000                        
Nuelle, Inc. [Member] | Sixth Milestone [Member]                          
Business Acquisition [Line Items]                          
One Time Non-Refundable Payments 10,000,000                        
Sales Revenue Target $ 100,000,000                        
Nuelle, Inc. [Member] | Maximum [Member]                          
Business Acquisition [Line Items]                          
Finite-Lived Intangible Asset, Useful Life 12 years                        
Nuelle, Inc. [Member] | Minimum [Member]                          
Business Acquisition [Line Items]                          
Finite-Lived Intangible Asset, Useful Life 9 years                        
Nuelle, Inc. [Member] | Developed Technology Rights [Member]                          
Business Acquisition [Line Items]                          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total $ 1,300,000                        
Nuelle, Inc. [Member] | Trade Names [Member]                          
Business Acquisition [Line Items]                          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total 160,000                        
Nuelle, Inc. [Member] | Customer Contracts [Member]                          
Business Acquisition [Line Items]                          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total $ 80,000