Quarterly report pursuant to Section 13 or 15(d)

Nature of Business (Details)

v3.20.2
Nature of Business (Details)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Feb. 23, 2017
$ / shares
shares
Sep. 30, 2020
ft²
item
Jun. 30, 2020
segment
Jan. 13, 2016
USD ($)
Dec. 31, 2015
Nature of Business [Line Items]          
Number of Operating Segments | segment     2    
Number Of Lines Of Business | item   3      
iBio CMO          
Nature of Business [Line Items]          
Noncontrolling Interest, Ownership Percentage by Parent 99.99%       100.00%
Noncontrolling Interest, Amount Represented by Preferred Stock | $       $ 15  
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners   30.00%   70.00%  
Shares exchanged for ownership interest 29,990,000        
BRAZIL | Ibio Do Brasil Biofarmatcutica Ltda          
Nature of Business [Line Items]          
Equity Method Investment, Ownership Percentage   99.00%      
Second Eastern Affiliate          
Nature of Business [Line Items]          
Area of Land | ft²   130,000      
Second Eastern Affiliate | iBio CMO          
Nature of Business [Line Items]          
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners       30.00%  
Second Eastern Affiliate | Ibio CDMO          
Nature of Business [Line Items]          
Lease Term   34 years      
Eastern Affiliate | iBio CMO          
Nature of Business [Line Items]          
Noncontrolling Interest, Ownership Percentage by Parent 70.00%        
Preferred Tracking Stock          
Nature of Business [Line Items]          
Shares exchanged for ownership interest 1        
Preferred Stock, Par or Stated Value Per Share | $ / shares $ 0.001        
Preferred Tracking Stock | Eastern Affiliate | iBio CMO          
Nature of Business [Line Items]          
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners 30.00%        
iBio CDMO LLC          
Nature of Business [Line Items]          
Shares exchanged for ownership interest 1