Annual report pursuant to Section 13 and 15(d)

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

v3.23.1
License, Clinical Trial and Sponsored Research Agreements (License Agreements) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
License, Clinical Trial and Sponsored Research Agreements    
Research and development for licenses acquired $ 1,474,000 $ 5,842,000
License Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development for licenses acquired 1,474,000 5,842,000
CSL Behring (Calimmune) [Member] | License Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development for licenses acquired 40,000 30,000
Leiden University Medical Centre [Member] | License Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development for licenses acquired 0 350,000
Mayo Clinic [Member] | License Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development for licenses acquired 0 750,000
Fortress Biotech, Inc [Member] | License Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development for licenses acquired 1,109,000 4,212,000
CD123 (MB-102) [Member] | City of Hope National Medical Center ("COH") [Member] | License Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development for licenses acquired 0 250,000
IV/ICV Product or Process [Member] | City of Hope National Medical Center ("COH") [Member] | License Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development for licenses acquired 125,000 0
PSCA (MB-105) [Member] | City of Hope National Medical Center ("COH") [Member] | License Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development for licenses acquired 0 250,000
HER2 (MB 103) [Member] | City of Hope National Medical Center ("COH") [Member] | License Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development for licenses acquired $ 200,000 $ 0