Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

v2.4.0.6
Document And Entity Information (USD $)
12 Months Ended
Jun. 30, 2012
Sep. 14, 2012
Document and Entity Information [Abstract]    
Entity Registrant Name iBio, Inc.  
Document Type 10-K  
Current Fiscal Year End Date --06-30  
Entity Common Stock, Shares Outstanding   47,767,095
Entity Public Float $ 22,339,800  
Amendment Flag false  
Entity Central Index Key 0001420720  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Filer Category Smaller Reporting Company  
Entity Well-known Seasoned Issuer No  
Document Period End Date Jun. 30, 2012  
Document Fiscal Year Focus 2012  
Document Fiscal Period Focus FY