License Agreements and Clinical Research Support Agreements (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
|
Research and development - licenses acquired | $ 300 | $ 0 | $ 2,375 | $ 0 |
IL13Ra2 [Member] | ||||
Research and development - licenses acquired | 0 | 0 | 250 | 0 |
IV/ICV [Member] | ||||
Research and development - licenses acquired | 0 | 0 | 125 | 0 |
PSCA [Member] | ||||
Research and development - licenses acquired | 0 | 0 | 300 | 0 |
HER2 [Member] | ||||
Research and development - licenses acquired | 0 | 0 | 600 | 0 |
CS1 [Member] | ||||
Research and development - licenses acquired | 0 | 0 | 600 | 0 |
UCLA [Member] | ||||
Research and development - licenses acquired | 0 | 0 | 200 | 0 |
Fred Hutch CD20 [Member] | ||||
Research and development - licenses acquired | $ 300 | $ 0 | $ 300 | $ 0 |