License and Collaboration Agreements (Details) - USD ($)
|
12 Months Ended |
|
|
Dec. 31, 2016 |
Dec. 31, 2015 |
Feb. 28, 2017 |
Feb. 13, 2017 |
| Scripps Research Institute |
|
|
|
|
| License and Collaboration Agreements |
|
|
|
|
| Milestone payments made |
$ 0
|
|
|
|
| Vernalis (R&D) Limited | Subsequent Events |
|
|
|
|
| License and Collaboration Agreements |
|
|
|
|
| Milestone payments made |
|
|
$ 3,000,000
|
$ 0
|
| Licensing Agreement | Scripps Research Institute |
|
|
|
|
| License and Collaboration Agreements |
|
|
|
|
| Minimum annual fee |
|
$ 25,000
|
|
|
| Aggregate potential milestone payments |
$ 2,600,000
|
|
|
|
| Period of written notice to terminate |
90 days
|
|
|
|
| Licensing Agreement | Scripps Research Institute | Research and development |
|
|
|
|
| License and Collaboration Agreements |
|
|
|
|
| One-time cash payment |
|
$ 10,000
|
|
|
| Licensing Agreement | Vernalis (R&D) Limited |
|
|
|
|
| License and Collaboration Agreements |
|
|
|
|
| Period of written notice to terminate |
90 days
|
|
|
|
| Licensing Agreement | Vernalis (R&D) Limited | Minimum |
|
|
|
|
| License and Collaboration Agreements |
|
|
|
|
| Aggregate potential milestone payments |
$ 200,000,000
|
|
|
|
| Licensing Agreement | Vernalis (R&D) Limited | Research and development |
|
|
|
|
| License and Collaboration Agreements |
|
|
|
|
| One-time cash payment |
$ 1,000,000
|
|
|
|