Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
License, Clinical Trial and Sponsored Research Agreements - Licenses (Details)
€ in Millions
 1 Months Ended 3 Months Ended 9 Months Ended
Aug. 23, 2019
USD ($)
Jul. 03, 2017
USD ($)
item
May 31, 2017
USD ($)
item
Jun. 30, 2020
USD ($)
Feb. 28, 2017
USD ($)
item
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
item
Sep. 30, 2020
EUR (€)
item
Sep. 30, 2019
USD ($)
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                    
Research and development - licenses acquired           $ 287,000 $ 700,000 $ 1,837,000   $ 1,350,000
Research and development           7,987,000 7,309,000 27,131,000   21,092,000
License Agreements [Member]                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                    
Research and development - licenses acquired           287,000 700,000 1,837,000   1,350,000
Sponsored Research And Clinical Trial Agreements                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                    
Research and development           734,000 1,176,000 4,900,000   4,441,000
City Of Hope National Medical Center ("COH") [Member] | License Agreements [Member] | CD123 Product Or Process [Member]                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                    
Research and development - licenses acquired           0 0 334,000   250,000
Number of milestones | item         8          
Milestones payable         $ 14,500,000     300,000    
City Of Hope National Medical Center ("COH") [Member] | License Agreements [Member] | CS1 Product Or Process [Member]                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                    
Research and development - licenses acquired           0 0 0   200,000
City Of Hope National Medical Center ("COH") [Member] | License Agreements [Member] | PSCA Product Or Process [Member]                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                    
Research and development - licenses acquired           0 200,000 0   200,000
City Of Hope National Medical Center ("COH") [Member] | License Agreements [Member] | IL13Ra2 Product [Member]                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                    
Research and development - licenses acquired           0 0 333,000   0
Number of milestones | item         8          
Milestones payable         $ 14,500,000     300,000    
City Of Hope National Medical Center ("COH") [Member] | License Agreements [Member] | Spacer Technology Product or Process [Member]                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                    
Research and development - licenses acquired           0 0 333,000   0
Number of milestones | item         1          
Milestones payable               300,000    
City Of Hope National Medical Center ("COH") [Member] | License Agreements [Member] | HER2 Product Or Process [Member]                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                    
Research and development - licenses acquired           0 0 250,000   0
Number of milestones | item     10              
Milestones payable     $ 14,900,000         300,000    
City Of Hope National Medical Center ("COH") [Member] | Sponsored Research And Clinical Trial Agreements | CD123 Product Or Process [Member]                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                    
Research and development           48,000 269,000 344,000   1,028,000
City Of Hope National Medical Center ("COH") [Member] | Sponsored Research And Clinical Trial Agreements | CS1 Product Or Process [Member]                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                    
Research and development       $ 800,000   65,000 0 835,000   0
City Of Hope National Medical Center ("COH") [Member] | Sponsored Research And Clinical Trial Agreements | IL13Ra2 Product [Member]                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                    
Research and development           96,000 244,000 422,000   811,000
CSL Behring [Member] | License Agreements [Member]                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                    
Research and development - licenses acquired           170,000 200,000 170,000   200,000
UCLA [Member] | License Agreements [Member]                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                    
Research and development - licenses acquired           0 300,000 0   300,000
Nationwide Childrens Hospital [Member] | License Agreements [Member] | Nationwide C134 [Member]                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                    
Research and development - licenses acquired           0 0 0   200,000
Calimmune [Member] | License Agreements [Member]                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                    
Upfront fees paid $ 200,000                  
Milestones payable $ 1,000,000.0                  
Research and development           200,000   200,000    
Fred Hutchinson Cancer Research Center[Member] | License Agreements [Member] | Fred Hutch CD 20 [Member]                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                    
Research and development - licenses acquired           0 0 300,000   0
Upfront fees paid   $ 300,000                
Number of milestones | item   11                
Milestones payable   $ 39,100,000           300,000    
Annual maintenance fee payable   $ 50,000                
Fred Hutchinson Cancer Research Center[Member] | Sponsored Research And Clinical Trial Agreements | Fred Hutch CD 20 [Member]                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                    
Research and development           418,000 49,000 1,134,000   690,000
Sirion Biotech LentiBOOST [Member] | License Agreements [Member]                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                    
Research and development - licenses acquired           117,000 $ 0 117,000   $ 0
Upfront fees paid           $ 100,000   $ 100,000 € 0.1  
Number of milestones | item               3 3  
Milestones payable               $ 5,600,000 € 4.7  
Additional milestone payments               $ 4,100,000 € 3.5  
Number of milestones payments | item               5 5