Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.1
Clinical Trial and Sponsored Research Agreements (Sponsored Research and Clinical Trial Agreements) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
License, Clinical Trial and Sponsored Research Agreements    
Research and development expense $ 14,000 $ 16,289
Sponsored Research and Clinical Trial Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development expense 1,742 1,592
Mayo Clinic [Member] | Sponsored Research and Clinical Trial Agreements [Member]    
License, Clinical Trial and Sponsored Research Agreements    
Research and development expense 275 231
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 0 51
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 310 228
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 50 50
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 0 271
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 22 22
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 554 488
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 419 124
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 $ 112 $ 127