Finance Lease ROU Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023
Finance Lease, Right Of Use Asset, Disclosure [Line Items]
Accumulated amortization	$ (271)	$ (204)
Net finance lease ROU assets	543	610
Facility [Member]
Finance Lease, Right Of Use Asset, Disclosure [Line Items]
ROU, gross	$ 814	$ 814

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

+ Details

Name:	ibio_FinanceLeaseRightOfUseAssetDisclosureLineItems
Namespace Prefix:	ibio_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Gross amount of lessee's right to use underlying asset under finance lease, before accumulated amortization.

+ References

No definition available.

+ Details

Name:	ibio_FinanceLeaseRightOfUseAssetGross
Namespace Prefix:	ibio_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, after accumulated amortization, of right-of-use asset from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-1

+ Details

Name:	us-gaap_FinanceLeaseRightOfUseAsset
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of accumulated amortization of right-of-use asset from finance lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (a)
-SubTopic 20
-Topic 842
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-4

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-SubTopic 20
-Topic 842
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-4

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=ibio_FacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: