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License and Collaboration Agreements (Details) - USD ($) |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Nov. 05, 2015 | Apr. 30, 2017 | Feb. 28, 2017 | Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025 | Dec. 31, 2015
License and Collaboration Agreements |  |  |  |  |  |  |  |
R&D expense |  |  |  | $ 15,964,000 | $ 7,873,000 | $ 27,139,000 | $ 15,326,000 |
Licensing Agreement | Scripps Research Institute |  |  |  |  |  |  |  |
License and Collaboration Agreements |  |  |  |  |  |  |  |
R&D expense |  |  |  |  |  |  |  | $ 10,000
Annual licensing fee |  |  |  |  |  | 25,000 |  |
Milestone payments |  |  |  |  |  | $ 0 |  |
Early termination notice period |  |  |  |  |  | 90 days |  |
Licensing Agreement | Vernalis (R&D) Limited |  |  |  |  |  |  |  |
License and Collaboration Agreements |  |  |  |  |  |  |  |
R&D expense | $ 1,000,000 |  |  |  |  |  |  |
Milestone payments |  |  | $ 3,000,000 |  |  | $ 0 | 0 |
Early termination notice period |  |  |  |  |  | 90 days |  |
Licensing Agreement | Monash University |  |  |  |  |  |  |  |
License and Collaboration Agreements |  |  |  |  |  |  |  |
R&D expense |  | $ 275,000 |  |  |  |  |  |
Annual licensing fee |  | $ 25,000 |  |  |  |  |  |
Milestone payments |  |  |  |  |  | $ 0 | $ 0 |
Early termination notice period |  |  |  |  |  | 30 days |  |
Licensing Agreement | Aggregate potential milestone payments | Scripps Research Institute |  |  |  |  |  |  |  |
License and Collaboration Agreements |  |  |  |  |  |  |  |
Milestone payments |  |  |  |  |  | $ 2,500,000 |  |
Licensing Agreement | Aggregate potential milestone payments | Vernalis (R&D) Limited |  |  |  |  |  |  |  |
License and Collaboration Agreements |  |  |  |  |  |  |  |
Milestone payments |  |  |  |  |  | 220,000,000 |  |
Licensing Agreement | Aggregate potential milestone payments | Monash University |  |  |  |  |  |  |  |
License and Collaboration Agreements |  |  |  |  |  |  |  |
Milestone payments |  |  |  |  |  | $ 45,100,000 |  |

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- Definition Term of the research and development arrangement contract termination notice period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The amount of costs incurred under a research and development arrangement accounted for as a contract to perform research and development for others. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 730 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483041/730-20-50-1 + Details
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