Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Narrative) (Details)

v3.21.1
Related Party Transactions (Narrative) (Details)
3 Months Ended 9 Months Ended
Apr. 01, 2020
USD ($)
Oct. 29, 2019
shares
Feb. 23, 2017
USD ($)
shares
Feb. 23, 2016
shares
Mar. 31, 2021
USD ($)
Mar. 31, 2020
USD ($)
Mar. 31, 2021
USD ($)
item
shares
Mar. 31, 2020
USD ($)
Jun. 30, 2020
USD ($)
Jan. 13, 2016
Dec. 31, 2015
Related Party Transaction [Line Items]                      
Accounts payable, related parties         $ 100,000   $ 100,000   $ 6,000    
General and administrative expenses         5,313,000 $ 2,979,000 15,385,000 $ 8,198,000      
Interest expense             1,836,000 1,851,000      
Stock Issued During Period, Shares, New Issues | shares   4,500,000                  
Business support services amount per month         0 0 0 97,000      
Amount due to related party         842,000   842,000   705,000    
Operating expenses research and development, related party         0 0 0 97,000      
Preferred Tracking Stock [Member]                      
Related Party Transaction [Line Items]                      
Number of shares exchanged for ownership interest | shares     1                
Number of of shares potentially exchanged for ownership interest | shares     29,990,000                
Noncontrolling Interest, Amount Represented by Preferred Stock     $ 13,000,000                
KBI Consulting Service [Member]                      
Related Party Transaction [Line Items]                      
Business support services amount per month $ 5,800                    
Professional Fees         17,000 $ 0 52,000 $ 0      
Amount due to related party         5,800   5,800   $ 5,800    
Operating expenses research and development, related party $ 5,800                    
TechCXO LLC [Member]                      
Related Party Transaction [Line Items]                      
Professional Fees         285,000   791,000        
Amount due to related party         $ 94,000   $ 94,000        
iBio CDMO LLC [Member]                      
Related Party Transaction [Line Items]                      
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners         30.00%   30.00%     70.00%  
Number of shares exchanged for ownership interest | shares     29,990,000                
Noncontrolling Interest, Ownership Percentage by Parent     99.99% 70.00%             100.00%
iBio CDMO LLC [Member] | Preferred Tracking Stock [Member]                      
Related Party Transaction [Line Items]                      
Number of shares exchanged for ownership interest | shares     29,990,000                
Number of of shares potentially exchanged for ownership interest | shares       29,990,000              
Standstill Agreements [Member]                      
Related Party Transaction [Line Items]                      
Agreement Extension Period             2 years        
Eastern Capital Limited And Its Affiliates [Member]                      
Related Party Transaction [Line Items]                      
Number Of Agreements | item             2        
Eastern Capital Limited And Its Affiliates [Member] | iBio CDMO LLC [Member]                      
Related Party Transaction [Line Items]                      
Related Party Transaction, Due from (to) Related Party         $ 15,000,000   $ 15,000,000        
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners     0.01%   30.00%   30.00%        
Noncontrolling Interest, Ownership Percentage by Parent       30.00%              
Eastern Capital Limited And Its Affiliates [Member] | Retained Interest [Member] | iBio CDMO LLC [Member]                      
Related Party Transaction [Line Items]                      
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners         70.00%   70.00%        
Second Eastern Affiliate [Member] | iBio CDMO LLC [Member]                      
Related Party Transaction [Line Items]                      
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners                   30.00%  
Noncontrolling Interest, Ownership Percentage by Parent     70.00%                
Second Eastern Affiliate [Member] | iBio CDMO LLC [Member] | Preferred Tracking Stock [Member]                      
Related Party Transaction [Line Items]                      
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners     30.00%                
Stockholders [Member] | Standstill Agreements [Member]                      
Related Party Transaction [Line Items]                      
Stock Issued During Period, Shares, New Issues | shares             650,000        
Director [Member] | Standstill Agreements [Member] | iBio CDMO LLC [Member]                      
Related Party Transaction [Line Items]                      
Noncontrolling Interest, Ownership Percentage by Parent         48.00%   48.00%