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Collaboration and License Agreements - Cyrus Biotechnology, Inc. (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 1 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 07, 2021 | Sep. 30, 2021 | Sep. 30, 2024 | Dec. 31, 2023
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |
Equity securities without readily determinable fair value, amount |  |  | $ 2,000 | $ 2,000
Cyrus Biotechnology, Inc. |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |
Milestone payment |  | $ 1,500,000 |  |
Equity securities, stock purchase agreement, shares purchased (in shares) | 2,326,934 |  |  |
Equity securities without readily determinable fair value, amount | $ 2,000 |  | $ 2,000 |
Cyrus Biotechnology, Inc. | Series B Preferred Stock Purchase Agreement |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |
Equity securities, stock purchase agreement, par value per share (in dollars per share) | $ 0.0001 |  |  |
Equity securities, stock purchase agreement, purchase price per share (in dollars per share) | $ 0.8595 |  |  |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 808 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479402/808-10-50-1 + Details
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