Annual report pursuant to Section 13 and 15(d)

Licenses Acquired (Mustang - Narrative) (Details)

v3.22.1
Licenses Acquired (Mustang - Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Research and Development Arrangement, Contract to Perform for Others [Line Items]    
Research and development $ 113,240 $ 61,275
Research and development - licenses acquired 15,625 2,834
Licensing Agreements [Member]    
Research and Development Arrangement, Contract to Perform for Others [Line Items]    
Research and development - licenses acquired 15,625 2,834
Licensing Agreements [Member] | Mustang [Member]    
Research and Development Arrangement, Contract to Perform for Others [Line Items]    
Research and development - licenses acquired 1,630 2,489
CSL Behring [Member] | Licensing Agreements [Member] | Mustang [Member]    
Research and Development Arrangement, Contract to Perform for Others [Line Items]    
Research and development - licenses acquired 30 170
Leiden University Medical Centre [Member] | Licensing Agreements [Member] | Mustang [Member]    
Research and Development Arrangement, Contract to Perform for Others [Line Items]    
Research and development - licenses acquired 350 0
Fred Hutchinson Cancer Research Center [Member] | Licensing Agreements [Member] | Mustang [Member]    
Research and Development Arrangement, Contract to Perform for Others [Line Items]    
Research and development - licenses acquired 0 300
Mayo Clinic [Member] | Licensing Agreements [Member] | Mustang [Member]    
Research and Development Arrangement, Contract to Perform for Others [Line Items]    
Research and development - licenses acquired 750 0
SIRION Biotech [Member] | Licensing Agreements [Member] | Mustang [Member]    
Research and Development Arrangement, Contract to Perform for Others [Line Items]    
Research and development - licenses acquired 0 117
MB-102 (CD 123 CAR T for AML) [Member] | City of Hope (COH) [Member] | Licensing Agreements [Member] | Mustang [Member]    
Research and Development Arrangement, Contract to Perform for Others [Line Items]    
Research and development - licenses acquired 250 334
MB-104 (CS1 CAR T) [Member] | City of Hope (COH) [Member] | Licensing Agreements [Member] | Mustang [Member]    
Research and Development Arrangement, Contract to Perform for Others [Line Items]    
Research and development - licenses acquired 0 200
MB-105 (PSCA CAR T) [Member] | City of Hope (COH) [Member] | Licensing Agreements [Member] | Mustang [Member]    
Research and Development Arrangement, Contract to Perform for Others [Line Items]    
Research and development - licenses acquired 250 200
Spacer [Member] | City of Hope (COH) [Member] | Licensing Agreements [Member] | Mustang [Member]    
Research and Development Arrangement, Contract to Perform for Others [Line Items]    
Research and development - licenses acquired 0 334
MB-103 (HER2 CAR T) [Member] | City of Hope (COH) [Member] | Licensing Agreements [Member] | Mustang [Member]    
Research and Development Arrangement, Contract to Perform for Others [Line Items]    
Research and development - licenses acquired 0 500
MB-101 (IL13R2 CAR T for Glioblastoma) [Member] | City of Hope (COH) [Member] | Licensing Agreements [Member] | Mustang [Member]    
Research and Development Arrangement, Contract to Perform for Others [Line Items]    
Research and development - licenses acquired $ 0 $ 334