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 6 Months Ended 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Jun. 30, 2014
Dec. 30, 2013
Commitments and Contingencies [Line Items]            
Research and Development Expense, Total $ 731,000us-gaap_ResearchAndDevelopmentExpense $ 585,000us-gaap_ResearchAndDevelopmentExpense $ 1,916,000us-gaap_ResearchAndDevelopmentExpense $ 1,137,000us-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
153,000us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= ibio_NoviciBiotechLlcMember
480,000us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= ibio_NoviciBiotechLlcMember
306,000us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= ibio_NoviciBiotechLlcMember
   
Commitments [Member]            
Commitments and Contingencies [Line Items]            
Research Services Agreements Value Fulfilling Commitment     2,000,000ibio_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     800,000us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_EligibleItemOrGroupForFairValueOptionAxis
= us-gaap_CommitmentsMember
  800,000us-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