v3.25.2
License Agreements - Vaccine Products License (Details) - Vaccine license and development agreement with TDT - Vaccine Products and Vaccine Diagnostics
$ in Millions
Apr. 10, 2020
USD ($)
Apr. 10, 2020
USD ($)
Apr. 10, 2020
USD ($)
Apr. 10, 2020
USD ($)
Milestone
Apr. 10, 2020
USD ($)
item
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Upfront payment of license agreement fees   $ 4.0      
Annual maintenance fees   0.4      
Unpaid annual maintenance fees, short term debt interest rate (%)     1.50%    
Number of developmental and regulatory milestone payments for first product development       4 4
Maximum aggregate milestone commitment fund for first product development $ 12.0 12.0 $ 12.0 $ 12.0 $ 12.0
Number of developmental and regulatory milestone payments for each additional product development       4 4
Maximum milestone commitment fund for each additional product development $ 6.0 $ 6.0 $ 6.0 $ 6.0 $ 6.0
Maximum          
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Number of years from first commercial sale of products (in years) 10 years        
Net sales of period from first commercial sale until patent expires | Minimum          
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Percentage of royalty fees (%)     10.00%    
Net sales of period from first commercial sale until patent expires | Maximum          
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Percentage of royalty fees (%)     15.00%    
10 years from first commercial sale of products          
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Number of years from first commercial sale of products (in years) 10 years        
10 years from first commercial sale of products | Minimum          
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Percentage of royalty fees (%)     5.00%    
10 years from first commercial sale of products | Maximum          
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Percentage of royalty fees (%)     9.00%