General form of registration statement for all companies including face-amount certificate companies

License, Clinical Trial and Sponsored Research Agreements (License Agreements) (Details)

v3.24.4
License, Clinical Trial and Sponsored Research Agreements (License Agreements) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
License, Clinical Trial and Sponsored Research Agreements    
Research and development for licenses acquired $ 527,000 $ 1,474,000
License agreements    
License, Clinical Trial and Sponsored Research Agreements    
Research and development for licenses acquired 527,000 1,474,000
CSL Behring (Calimmune) | License agreements    
License, Clinical Trial and Sponsored Research Agreements    
Research and development for licenses acquired 50,000 40,000
Leiden University Medical Center | License agreements    
License, Clinical Trial and Sponsored Research Agreements    
Research and development for licenses acquired 50,000 40,000
Fortress Annual Stock Dividend | License agreements    
License, Clinical Trial and Sponsored Research Agreements    
Research and development for licenses acquired 477,000 1,109,000
Fortress Biotech, Inc    
License, Clinical Trial and Sponsored Research Agreements    
Research and development for licenses acquired $ 500,000 1,100,000
IV/ICV | City of Hope National Medical Center | License agreements    
License, Clinical Trial and Sponsored Research Agreements    
Research and development for licenses acquired   125,000
HER2 (MB 103) | City of Hope National Medical Center | License agreements    
License, Clinical Trial and Sponsored Research Agreements    
Research and development for licenses acquired   $ 200,000