Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details Textual)

v2.4.1.9
Commitments and Contingencies (Details Textual) (USD $)
3 Months Ended 9 Months Ended 1 Months Ended 12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2015
Mar. 31, 2014
Jan. 31, 2014
Jun. 30, 2014
Dec. 30, 2013
Commitments and Contingencies [Line Items]              
Research and Development Expense, Total $ 815,000us-gaap_ResearchAndDevelopmentExpense $ 343,000us-gaap_ResearchAndDevelopmentExpense $ 2,731,000us-gaap_ResearchAndDevelopmentExpense $ 1,480,000us-gaap_ResearchAndDevelopmentExpense      
Contractual Obligation 3,000,000us-gaap_ContractualObligation   3,000,000us-gaap_ContractualObligation        
Novici Biotech LLC [Member]              
Commitments and Contingencies [Line Items]              
Research and Development Expense, Total 258,000us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= ibio_NoviciBiotechLlcMember
124,000us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= ibio_NoviciBiotechLlcMember
738,000us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= ibio_NoviciBiotechLlcMember
430,000us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= ibio_NoviciBiotechLlcMember
     
Commitments [Member]              
Commitments and Contingencies [Line Items]              
Research Services Agreements Value Fulfilling Commitment     2,400,000ibio_ResearchServicesAgreementsValueFulfillingCommitement
/ us-gaap_EligibleItemOrGroupForFairValueOptionAxis
= us-gaap_CommitmentsMember
       
Termination of Research Services Agreement         1,500,000ibio_TerminationOfResearchServicesAgreement
/ us-gaap_EligibleItemOrGroupForFairValueOptionAxis
= us-gaap_CommitmentsMember
   
Research and Development Expense, Total     1,500,000us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_EligibleItemOrGroupForFairValueOptionAxis
= us-gaap_CommitmentsMember
  500,000us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_EligibleItemOrGroupForFairValueOptionAxis
= us-gaap_CommitmentsMember
   
Royalty Guarantees, Commitments, Amount 4,000,000us-gaap_RoyaltyGuaranteesCommitmentsAmount
/ us-gaap_EligibleItemOrGroupForFairValueOptionAxis
= us-gaap_CommitmentsMember
  4,000,000us-gaap_RoyaltyGuaranteesCommitmentsAmount
/ us-gaap_EligibleItemOrGroupForFairValueOptionAxis
= us-gaap_CommitmentsMember
       
License Costs           30,627us-gaap_LicenseCosts
/ us-gaap_EligibleItemOrGroupForFairValueOptionAxis
= us-gaap_CommitmentsMember
 
Initial license fee           20,000ibio_InitialLicenseFee
/ us-gaap_EligibleItemOrGroupForFairValueOptionAxis
= us-gaap_CommitmentsMember
 
Contractual Obligation, Due in Next Twelve Months             78,000us-gaap_ContractualObligationDueInNextTwelveMonths
/ us-gaap_EligibleItemOrGroupForFairValueOptionAxis
= us-gaap_CommitmentsMember
Contractual Obligation, Due in Second Year             161,754us-gaap_ContractualObligationDueInSecondYear
/ us-gaap_EligibleItemOrGroupForFairValueOptionAxis
= us-gaap_CommitmentsMember
Commitments [Member] | Minimum [Member]              
Commitments and Contingencies [Line Items]              
License Costs     25,000us-gaap_LicenseCosts
/ us-gaap_EligibleItemOrGroupForFairValueOptionAxis
= us-gaap_CommitmentsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
       
Commitments [Member] | Maximum [Member]              
Commitments and Contingencies [Line Items]              
License Costs     $ 150,000us-gaap_LicenseCosts
/ us-gaap_EligibleItemOrGroupForFairValueOptionAxis
= us-gaap_CommitmentsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember