The amount of additional gross proceeds available upon exercise of warrants.

No definition available.

Name:	ibio_AdditionalGrossProceedsAvailableUponExerciseOfWarrants
Namespace Prefix:	ibio_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of warrants or rights issued.

+ References

No definition available.

+ Details

Name:	ibio_ClassOfWarrantOrRightIssued
Namespace Prefix:	ibio_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of warrants exercised.

+ References

No definition available.

+ Details

Name:	ibio_ClassOfWarrantOrRightNumberWarrantsExercised
Namespace Prefix:	ibio_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The effective ownership of the outstanding shares of the Company's common stock immediately after exercise of warrants - threshold percentage for which warrant holders may not exceed.

+ References

No definition available.

+ Details

Name:	ibio_OwnershipThresholdPercentage
Namespace Prefix:	ibio_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of business days following the each calendar quarter within which placement agent fee is required to pay.

+ References

No definition available.

+ Details

Name:	ibio_PlacementAgentFeeQuarterlyPaymentDuePeriod
Namespace Prefix:	ibio_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Per share amount for each unit which includes 1 pre-funded warrant and 1 common share warrant.

+ References

No definition available.

+ Details

Name:	ibio_SaleOfStockPricePerUnitPreFundedWarrantsAndCommonShareWarrants
Namespace Prefix:	ibio_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Period during which the Company is obligated to pay placement agent fees related to cash exercises of warrants, measured from the closing of the related transaction, as specified in the underwriting agreement.

+ References

No definition available.

+ Details

Name:	ibio_UnderwritingArrangementWarrantExerciseRelatedFeeTerm
Namespace Prefix:	ibio_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Underwriting fee paid to agent for the sale of stock, expressed as a percentage of gross proceeds received.

+ References

No definition available.

+ Details

Name:	ibio_UnderwritingDiscountFeePercentage
Namespace Prefix:	ibio_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h)(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

+ Details

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Specific incremental costs directly attributable to a proposed or actual offering of securities which are deferred at the end of the reporting period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 340
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.A)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480341/340-10-S99-1

+ Details

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

- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

+ Details

Name:	us-gaap_PaymentsOfStockIssuanceCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash inflow associated with the amount received from holders exercising their stock warrants.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 14
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-14

+ Details

Name:	us-gaap_ProceedsFromWarrantExercises
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockConsiderationReceivedOnTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of consideration received by subsidiary or equity investee in exchange for shares of stock issued or sold. Includes amount of cash received, fair value of noncash assets received, and fair value of liabilities assumed by the investor.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockConsiderationReceivedPerTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

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.

+ References

No definition available.

+ Details

Name:	us-gaap_SubsidiarySaleOfStockLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- 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
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_WarrantsAndRightsOutstandingTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=ibio_SeriesHWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=ibio_PreFundedSeriesGWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=ibio_PreFundedSeriesHWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=ibio_LeerinkUnderwritingAgreement2025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=ibio_SeriesGAndSeriesHWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=ibio_SeriesGWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=ibio_PreFundedWarrants2025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=ibio_PreFundedWarrantsAndSeriesGWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Stockholders' Equity - Leerink Underwriting (Details) - USD ($)		3 Months Ended		9 Months Ended
	Aug. 19, 2025	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2026	Mar. 31, 2025
Stockholders' Equity
Transaction costs				$ 5,710,000	$ 0
Proceeds from warrant exercises				13,800,000
Series H Warrants
Stockholders' Equity
Number of shares which may be issued upon conversion of warrants	35,770,000
Pre-funded Series G Warrants
Stockholders' Equity
Number of shares which may be issued upon conversion of warrants	35,770,000
Pre-funded Series H Warrants
Stockholders' Equity
Number of shares which may be issued upon conversion of warrants	35,770,000
2025 Underwriting Agreement
Stockholders' Equity
Number of common stock shares issued	71,540,000		5,000
Ownership threshold percentage	19.99%
Gross proceeds from sale of equity	$ 50,000,000
Underwriting discounts and commissions and offering expenses payable	3,600,000
Transaction costs		$ 150,000		$ 507,000
Net proceeds from sale of equity	$ 46,400,000
Underwriting discount percentage	6.00%
All cash exercises of warrants, period	30 months
Placement agent fee, quarterly payment due period	5
2025 Underwriting Agreement \| Series G and Series H Warrants
Stockholders' Equity
Warrants, exercise price	$ 0.7
Additional gross proceeds available upon exercise of warrants	$ 50,000,000
Proceeds from warrant exercises		$ 2,500,000
2025 Underwriting Agreement \| Series G Warrants
Stockholders' Equity
Number of shares which may be issued upon conversion of warrants	35,770,000
Warrants, exercisable term	5 years
Number of warrants exercised		3,570,000
Proceeds from warrant exercises			$ 3,000,000
2025 Underwriting Agreement \| Series H Warrants
Stockholders' Equity
Number of shares which may be issued upon conversion of warrants	35,770,000
Warrants, exercisable term	4 years
Number of warrants exercised		0	4,250,000
Warrants issued		3,570,000	4,255,000
Proceeds from warrant exercises			$ 3,000,000
2025 Underwriting Agreement \| 2025 Pre-Funded Warrants
Stockholders' Equity
Warrants, exercise price	$ 0.001	$ 0.001	$ 0.001	$ 0.001
Number of warrants exercised		1,079,391	3,141,003
Proceeds from warrant exercises		$ 1,079	$ 3,141
2025 Underwriting Agreement \| Pre-funded Series G Warrants
Stockholders' Equity
Number of shares which may be issued upon conversion of warrants	35,770,000
Warrants issued		3,570,000	4,250,000
2025 Underwriting Agreement \| Pre-funded Series H Warrants
Stockholders' Equity
Number of shares which may be issued upon conversion of warrants	35,770,000
Warrants issued			4,250,000
2025 Underwriting Agreement \| Pre Funded Warrants and Series G Warrants
Stockholders' Equity
Combined purchase price of each Pre-Funded Warrant and the accompanying Common Warrants	$ 0.699