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Business, Basis of Presentation and Business Combinations (Details Textual) |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |
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Oct. 05, 2015 USD ($) | Apr. 28, 2016 USD ($) $ / shares shares | Oct. 31, 2015 USD ($) | Sep. 30, 2015 USD ($) | May 31, 2015 USD ($) | Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($) | Apr. 28, 2016 CAD CAD / shares | May 20, 2015 USD ($)
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 (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. |  | 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). |  |  |
Payments to Acquire Businesses, Gross |  |  |  |  |  |  |  | $ 0 | $ 1,000,000 |  |
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Asset |  |  |  |  |  |  |  | 0 | 664,000 |  |
Amortization of Intangible Assets | $ 174,000 |  |  |  |  | $ 437,014 | $ 57,447 | 664,707 | 90,662 |  |
Business Combination, Contingent Consideration, Liability, Total |  |  |  |  |  |  |  | 701,000 |  |  |
Accretion Expense |  |  |  |  |  |  |  | 620,325 | $ 620,325 |  |
Developed Technology Rights [Member] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortization of Intangible Assets |  |  |  |  |  | 520,000 |  | 520,000 |  |  |
Trade Names [Member] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortization of Intangible Assets |  |  |  |  |  | 140,000 |  | 140,000 |  |  |
Customer Contracts [Member] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortization of Intangible Assets |  |  |  |  |  | 810,000 |  | 810,000 |  |  |
Prosta Scint [Member] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  | $ 500,000 |  |  |  |  |  |  |  |
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 |  |  |
Amortization expense |  |  |  |  |  |  |  | 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
Payments to Acquire Businesses, Gross |  |  |  |  | 1,000,000 |  |  |  |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred |  |  |  | $ 227,000 | 227,000 |  |  |  |  |  |
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 | 714,000 |  | 699,000 |  |  |
Amortization of Intangible Assets |  |  |  |  |  | 40,000 | 40,000 |  |  |  |
Business Combination Consideration Transferred Product Inventory |  |  |  |  | $ 500,000 |  |  |  |  |  |
Jazz Pharmaceuticals Inc [Member] | Prosta Scint [Member] | Developed Technology Rights [Member] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Gross |  |  |  |  |  | 790,000 |  | 790,000 |  |  |
Jazz Pharmaceuticals Inc [Member] | Prosta Scint [Member] | Trade Names [Member] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Gross |  |  |  |  |  | 80,000 |  | 80,000 |  |  |
Jazz Pharmaceuticals Inc [Member] | Prosta Scint [Member] | Customer Contracts [Member] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Gross |  |  |  |  |  | 720,000 |  | 720,000 |  |  |
Primsol Business [Member] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets, Total | $ 1,799,000 |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  | 500,000 |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred |  |  | 142,000 |  |  | 1,900,000 |  | 1,892,000 |  |  |
Amortization of Intangible Assets |  |  |  |  |  | 61,000 | $ 0 |  |  |  |
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 |  |  |  |  |
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 November 30, 2016 [Member] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred |  |  | 250,000 |  |  |  |  |  |  |  |
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 |  | 10,500,000 |  |  |
Payments to Acquire Businesses, Gross |  | $ 2,000,000 |  |  |  |  |  | 5,400,000 |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred |  |  |  |  |  | 3,200,000 |  | 3,200,000 |  |  |
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Asset |  |  |  |  |  | 3,200,000 |  | $ 3,200,000 |  |  |
Amortization of Intangible Assets |  |  |  |  |  | 330,000 |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares |  | 12,245,411 |  |  |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned |  | $ 2,000,000 |  |  |  |  |  |  |  | CAD 2,534,800 |
Business Acquisition, Share Price | (per share) |  | $ 0.16 |  |  |  |  |  |  |  | CAD 0.207 |
One Time Non-Refundable Payments |  | $ 37,500,000 |  |  |  |  |  |  |  |  |
Other Accrued Liabilities |  |  |  |  |  | 306,000 |  |  |  |  |
Accretion Expense |  |  |  |  |  | 46,000 |  |  |  |  |
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 |  |  |  | $ 5,700,000 |  |  |  |  |
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, Consideration Transferred, Liabilities Incurred |  | 2,000,000 |  |  |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned |  | 2,000,000 |  |  |  |  |  |  |  |  |
Natesto [Member] | Third Upfront [Member] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred |  | $ 4,000,000 |  |  |  |  |  |  |  |  |

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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the Current Period + References No definition available. + Details
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- Definition This element represents the amount of any change recognized during the period in the high-end of the estimated range of outcomes (undiscounted) of a liability assumed in a business combination arising from an item of contingent consideration. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479 + Details
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