v3.23.3

Promissory Note Receivable (Narrative) (Details) - USD ($) |  | 12 Months Ended |
--- | --- | --- | ---
Oct. 01, 2020 | Jun. 30, 2023 | Jun. 30, 2022 | Jun. 19, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Interest income |  | $ 213,000 | $ 177,000 |
Convertible Promissory Note Receivable [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Amount invested |  |  |  | $ 1,500,000
Interest rate | 5.00% |  |  |
Interest rate for first one year extension | 7.00% |  |  |
Interest rate for second one year extension | 9.00% |  |  |
Interest income |  | 75,000 | 75,000 |
Note balance and accrued interest |  | $ 1,706,000 | $ 1,631,000 |

X
- Definition Represents the face amount of notes receivable invested. + References No definition available. + Details
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Namespace Prefix: | ibio_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage of fixed rate of interest on notes. + References No definition available. + Details
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Namespace Prefix: | ibio_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of rate of interest on notes receivable for first one year extension. + References No definition available. + Details
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Namespace Prefix: | ibio_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of rate of interest on notes receivable for second one year extension. + References No definition available. + Details
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Namespace Prefix: | ibio_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- 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
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, after allowance for credit loss, of financing receivable, classified as noncurrent. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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