Annual report pursuant to Section 13 and 15(d)

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

v3.23.1
License, Clinical Trial and Sponsored Research Agreements (Sponsored Research and Clinical Trial Agreements) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
License, Clinical Trial and Sponsored Research Agreements    
Research and development expense $ 62,475 $ 49,864
Sponsored Research and Clinical Trial Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development expense 6,989 6,591
City of Hope National Medical Center ("COH") [Member] | Sponsored Research and Clinical Trial Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development expense 0 0
Mayo Clinic [Member] | Sponsored Research and Clinical Trial Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development expense 968 695
CD123 (MB-102) [Member] | City of Hope National Medical Center ("COH") [Member] | Sponsored Research and Clinical Trial Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development expense 166 301
IL13Ra2 (MB-101) [Member] | City of Hope National Medical Center ("COH") [Member] | Sponsored Research and Clinical Trial Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development expense 1,486 1,169
CS1 (MB-104) [Member] | City of Hope National Medical Center ("COH") [Member] | Sponsored Research and Clinical Trial Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development expense 482 608
HER2 (MB 103) [Member] | City of Hope National Medical Center ("COH") [Member] | Sponsored Research and Clinical Trial Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development expense 784 697
PSCA (MB-105) [Member] | City of Hope National Medical Center ("COH") [Member] | Sponsored Research and Clinical Trial Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development expense 103 107
CD20 (MB-106) [Member] | Fred Hutchinson Cancer Center [Member] | Sponsored Research and Clinical Trial Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development expense 1,987 1,979
ST. Jude - XSCID [Member] | St. Jude Children's Research Hospital [Member] | Sponsored Research and Clinical Trial Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development expense 508 865
RAG1 SCID (MB-110) [Member] | Leiden University Medical Centre [Member] | Sponsored Research and Clinical Trial Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development expense $ 505 $ 170