XML 75 R64.htm IDEA: XBRL DOCUMENT v3.22.2.2
Note 13 - License and Collaboration Agreements (Details Textual) - USD ($)
$ in Millions
1 Months Ended 9 Months Ended
Jan. 31, 2021
Nov. 30, 2019
Sep. 30, 2022
Agenus Inc. [Member]      
Payments for License Agreement   $ 10  
License Agreement, Maximum Payable for Certain Clinical Development and Regulatory Milestones   115  
License Agreement, Maximum Payable for Certain Commercial Milestones   $ 85  
License Agreement, Expiration Term (Year)   15 years  
Agenus Inc. [Member] | Minimum [Member]      
License Agreement, Royalty, Percentage of Net Sales of Licensed Products   14.00%  
Agenus Inc. [Member] | Maximum [Member]      
License Agreement, Royalty, Percentage of Net Sales of Licensed Products   20.00%  
MD Anderson [Member]      
Collaboration Agreement, Term (Year) 3 years    
Research and Development Arrangement, Contract to Perform for Others, Costs Incurred, Gross     $ 2