Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

v3.3.0.814
Document And Entity Information - USD ($)
12 Months Ended
Jun. 30, 2015
Oct. 05, 2015
Dec. 31, 2014
Document Information [Line Items]      
Entity Registrant Name iBio, Inc.    
Entity Central Index Key 0001420720    
Current Fiscal Year End Date --06-30    
Entity Filer Category Smaller Reporting Company    
Trading Symbol IBIO    
Entity Common Stock, Shares Outstanding   77,325,410  
Document Type 10-K    
Amendment Flag false    
Document Period End Date Jun. 30, 2015    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2015    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 33,200,000