Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

v3.19.2
Document And Entity Information - USD ($)
12 Months Ended
Jun. 30, 2019
Aug. 26, 2019
Dec. 31, 2018
Document And Entity Information      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Jun. 30, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Entity Registrant Name iBio, Inc.    
Entity Central Index Key 0001420720    
Current Fiscal Year End Date --06-30    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Shell Company false    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Filer Category Non-accelerated Filer    
Entity Public Float     $ 7,284,651
Trading Symbol IBIO    
Entity Common Stock, Shares Outstanding   24,152,455