Annual report pursuant to Section 13 and 15(d)

Financial Instruments and Fair Value Measurement (Details)

v3.24.3
Financial Instruments and Fair Value Measurement (Details) - USD ($)
 3 Months Ended 12 Months Ended
May 31, 2024
Dec. 31, 2023
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Sep. 30, 2023
Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Fixed asset impairment charge       $ 3,100,000 $ 17,900,000    
Discontinued Operations | iBio CDMO, LLC              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Fixed asset impairment charge       3,100,000 17,900,000    
Loss on sale of fixed assets       4,816,000 (773,000)    
Discontinued Operations | iBio CDMO, LLC | 2024 Purchase and Sale Agreement - The Board of Regents              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Loss on sale of fixed assets       4,800,000      
Facility              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Carrying value, fixed assets held for sale     $ 16,124,000 0 16,124,000   $ 16,350,000
Facility | Discontinued Operations | iBio CDMO, LLC | 2024 Purchase and Sale Agreement - The Board of Regents              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Proceeds from sale of building $ 8,500,000            
Loss on sale of fixed assets       $ 4,800,000      
Equipment              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Carrying value, fixed assets held for sale             $ 2,100,000
Fair Value, Nonrecurring | Level 1 | Facility | Purchase and Sale Agreement - Majestic Realty              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Fair value, fixed assets held-for-sale (Quoted prices)           $ 17,250,000  
Fair Value, Nonrecurring | Level 3 | Discontinued Operations | iBio CDMO, LLC              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Fixed asset impairment charge         17,900,000    
Fair Value, Nonrecurring | Level 3 | Facility | Discontinued Operations | iBio CDMO, LLC              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Fixed asset impairment charge   $ 3,100,000 $ 300,000   6,300,000    
Fair Value, Nonrecurring | Level 3 | Equipment | Discontinued Operations | iBio CDMO, LLC              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Fixed asset impairment charge         $ 11,300,000