Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details Textual)

v2.4.1.9
Basis of Presentation (Details Textual) (USD $)
 9 Months Ended 0 Months Ended 1 Months Ended 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
May 15, 2015
Apr. 28, 2015
Mar. 31, 2015
Jun. 30, 2014
Jun. 30, 2013
Aug. 25, 2014
Basis of Presentation [Line Items]                
Accumulated deficit $ (45,942,000)us-gaap_RetainedEarningsAccumulatedDeficit       $ (45,942,000)us-gaap_RetainedEarningsAccumulatedDeficit $ (41,202,000)us-gaap_RetainedEarningsAccumulatedDeficit    
Net Cash Used in Operating Activities (3,518,000)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations (3,432,000)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations            
Cash 8,080,000us-gaap_CashAndCashEquivalentsAtCarryingValue 4,333,000us-gaap_CashAndCashEquivalentsAtCarryingValue     8,080,000us-gaap_CashAndCashEquivalentsAtCarryingValue 3,590,000us-gaap_CashAndCashEquivalentsAtCarryingValue 4,414,000us-gaap_CashAndCashEquivalentsAtCarryingValue  
Proceeds from Issuance of Common Stock 7,302,000us-gaap_ProceedsFromIssuanceOfCommonStock 480,000us-gaap_ProceedsFromIssuanceOfCommonStock            
Stock Issued During Period, Value, New Issues 7,301,000us-gaap_StockIssuedDuringPeriodValueNewIssues              
Subsequent Event [Member]                
Basis of Presentation [Line Items]                
Term Of Stock Purchase Agreement     36 months          
Aspire Capital Fund, LLC [Member]                
Basis of Presentation [Line Items]                
Aggregate Common Stock Purchased               10,000,000ibio_AggregateCommonStockPurchased
/ dei_LegalEntityAxis
= ibio_AspireCapitalFundLlcMember
Proceeds from Issuance of Common Stock       10,000,000us-gaap_ProceedsFromIssuanceOfCommonStock
/ dei_LegalEntityAxis
= ibio_AspireCapitalFundLlcMember 		10,000,000us-gaap_ProceedsFromIssuanceOfCommonStock
/ dei_LegalEntityAxis
= ibio_AspireCapitalFundLlcMember 		     
Stock Issued During Period, Shares, New Issues 6,084,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ dei_LegalEntityAxis
= ibio_AspireCapitalFundLlcMember 		      6,084,354us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ dei_LegalEntityAxis
= ibio_AspireCapitalFundLlcMember 		     
Stock Issued During Period, Value, New Issues 7,301,000us-gaap_StockIssuedDuringPeriodValueNewIssues
/ dei_LegalEntityAxis
= ibio_AspireCapitalFundLlcMember 		      7,301,786us-gaap_StockIssuedDuringPeriodValueNewIssues
/ dei_LegalEntityAxis
= ibio_AspireCapitalFundLlcMember 		     
Term Of Stock Purchase Agreement         3 years      
Aspire Capital Fund, LLC [Member] | Subsequent Event [Member]                
Basis of Presentation [Line Items]                
Stock Issued During Period, Shares, New Issues 2,684,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ dei_LegalEntityAxis
= ibio_AspireCapitalFundLlcMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember 		             
Stock Issued During Period, Value, New Issues 2,698,000us-gaap_StockIssuedDuringPeriodValueNewIssues
/ dei_LegalEntityAxis
= ibio_AspireCapitalFundLlcMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember 		             
Aspire Capital Fund, LLC [Member] | Subsequent Event [Member] | Maximum [Member]                
Basis of Presentation [Line Items]                
Sale of Stock, Consideration Received on Transaction     15,000,000us-gaap_SaleOfStockConsiderationReceivedOnTransaction
/ dei_LegalEntityAxis
= ibio_AspireCapitalFundLlcMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember