v3.21.2

Basis of Presentation (Narrative) (Details) $ in Millions	Sep. 30, 2021 USD ($)
Basis of Presentation [Abstract]
Cash and cash equivalents and marketable securities	$ 82.3

X

- Definition

Represents the information pertaining to Basis of Presentation.

+ References

No definition available.

+ Details

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

X

- Definition

Cash and cash equivalents plus debt securities

+ References

No definition available.

+ Details

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