Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

v2.4.0.8
Document And Entity Information (USD $)
12 Months Ended
Jun. 30, 2013
Sep. 10, 2013
Dec. 31, 2012
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   56,692,095  
Document Type 10-K/A    
Amendment Flag true    
Amendment Description Amendment Description    
Document Period End Date Jun. 30, 2013    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2013    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 18,250,000