Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

Document And Entity Information - USD ($)
12 Months Ended
Jun. 30, 2022
Oct. 10, 2022
Dec. 31, 2021
Document And Entity Information      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Jun. 30, 2022    
Entity File Number 001-35023    
Entity Registrant Name iBio, Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 26-2797813    
Entity Address, Address Line One 8800 HSC Parkway    
Entity Address, City or Town Bryan    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 77807-1107    
City Area Code 302    
Local Phone Number 355-0650    
Title of 12(b) Security Common Stock    
Trading Symbol IBIO    
Security Exchange Name NYSEAMER    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Central Index Key 0001420720    
Current Fiscal Year End Date --06-30    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Voluntary Filers No    
Entity Well-known Seasoned Issuer No    
Entity Common Stock, Shares Outstanding   9,006,583  
Entity Public Float     $ 119,731,492
Auditor Name CohnReznick LLP    
Auditor Firm ID 596    
Auditor Location Holmdel, New Jersey