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Note 13 - Warrants (Details Textual) - USD ($) |  | 1 Months Ended | 6 Months Ended
--- | --- | --- | ---
Dec. 15, 2020 | Jul. 31, 2020 | Dec. 31, 2020
Class of Warrant or Right, Issued During Period (in shares) |  |  | 403,760
Warrants Issued in Connection with March Offerings [Member] |  |  |
Class of Warrant or Right, Issued During Period (in shares) |  | 92,302 |
Class of Warrant or Right, Issued During Period, Exercise Price (in dollars per share) |  | $ 15.99 |
Warrants and Rights Outstanding, Term (Year) |  | 1 year |
Warrants and Rights Outstanding |  | $ 356,000 |
December 15, 2020 Offering [Member] |  |  |
Class of Warrant or Right, Issued During Period (in shares) | 311,458 |  |
Class of Warrant or Right, Issued During Period, Exercise Price (in dollars per share) | $ 7.50 |  |
Warrants and Rights Outstanding | $ 1,300,000 |  |

X
- Definition The number of warrants or rights issued during period. + References No definition available. + Details
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Namespace Prefix: | aytu_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise price per share of warrants or rights issued during period. + References No definition available. + Details
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Namespace Prefix: | aytu_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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Namespace Prefix: | us-gaap_
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Period Type: | instant

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=aytu_December152020OfferingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |