Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.3
License, Clinical Trial and Sponsored Research Agreements - Sponsored (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]        
Research and development $ 7,309 $ 5,316 $ 21,092 $ 13,165
Sponsored Research And Clinical Trial Agreements [Member]        
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]        
Research and development 1,176 1,407 4,441 4,087
City Of Hope National Medical Center ("COH") [Member] | Sponsored Research And Clinical Trial Agreements [Member]        
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]        
Research and development 500 500 1,500 1,500
City Of Hope National Medical Center ("COH") [Member] | Manufacturing | Sponsored Research And Clinical Trial Agreements [Member]        
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]        
Research and development 114 114 343 344
City Of Hope National Medical Center ("COH") [Member] | Il13r2 Product [Member] | Sponsored Research And Clinical Trial Agreements [Member]        
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]        
Research and development 244 346 811 849
City Of Hope National Medical Center ("COH") [Member] | CD123 Product Or Process [Member] | Sponsored Research And Clinical Trial Agreements [Member]        
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]        
Research and development 269 123 1,028 387
Fred Hutchinson Cancer Research Center [Member] | Sponsored Research And Clinical Trial Agreements [Member]        
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]        
Research and development 49 255 690 938
Beth Israel Deaconess Medical Center Inc. ("BIDMC") [Member] | Sponsored Research And Clinical Trial Agreements [Member]        
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]        
Research and development $ 0 $ 69 $ 69 $ 69