Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

v3.10.0.1
Document And Entity Information - shares
3 Months Ended
Sep. 30, 2018
Nov. 13, 2018
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Sep. 30, 2018  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q1  
Entity Registrant Name iBio, Inc.  
Entity Central Index Key 0001420720  
Current Fiscal Year End Date --06-30  
Entity Filer Category Non-accelerated Filer  
Trading Symbol IBIO  
Entity Common Stock, Shares Outstanding   18,636,792
Entity Emerging Growth Company false  
Entity Small Business true