Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details Textual)

v2.4.1.9
Basis of Presentation (Details Textual) (USD $)
 3 Months Ended 6 Months Ended 2 Months Ended
Dec. 31, 2014
Dec. 31, 2014
Dec. 31, 2013
Feb. 23, 2015
Jun. 30, 2014
Jun. 30, 2013
Aug. 25, 2014
Basis of Presentation [Line Items]              
Accumulated deficit $ (44,265,000)us-gaap_RetainedEarningsAccumulatedDeficit $ (44,265,000)us-gaap_RetainedEarningsAccumulatedDeficit     $ (41,202,000)us-gaap_RetainedEarningsAccumulatedDeficit    
Net Cash Used in Operating Activities   (2,193,000)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations (2,205,000)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations        
Cash 7,363,000us-gaap_CashAndCashEquivalentsAtCarryingValue 7,363,000us-gaap_CashAndCashEquivalentsAtCarryingValue 5,678,000us-gaap_CashAndCashEquivalentsAtCarryingValue   3,590,000us-gaap_CashAndCashEquivalentsAtCarryingValue 4,414,000us-gaap_CashAndCashEquivalentsAtCarryingValue  
Proceeds from Issuance of Common Stock 867,000us-gaap_ProceedsFromIssuanceOfCommonStock 5,212,000us-gaap_ProceedsFromIssuanceOfCommonStock 480,000us-gaap_ProceedsFromIssuanceOfCommonStock        
Aspire Capital Fund, LLC [Member]              
Basis of Presentation [Line Items]              
Aggregate Common Stock Purchased             10,000,000ibio_AggregateCommonStockPurchased
/ dei_LegalEntityAxis
= ibio_AspireCapitalFundLlcMember
Aspire Capital Fund, LLC [Member] | Subsequent Event [Member]              
Basis of Presentation [Line Items]              
Proceeds from Issuance of Common Stock       $ 7,200,000us-gaap_ProceedsFromIssuanceOfCommonStock
/ dei_LegalEntityAxis
= ibio_AspireCapitalFundLlcMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember