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Acquisitions, Licensing and Other Arrangements - Kinnate Acquisition (Details) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Apr. 03, 2024 USD ($) Right $ / shares shares | Feb. 27, 2024 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Jun. 30, 2023 USD ($) | Mar. 31, 2023 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Dec. 31, 2023 USD ($) | Nov. 10, 2023 USD ($)
Asset acquisition |  |  |  |  |  |  |  |  |  |  |
Exarafenib milestone asset |  |  | $ 2,922 | $ 2,922 |  |  |  | $ 2,922 |  |  |
Exarafenib milestone contingent consideration |  |  | 2,922 | 2,922 |  |  |  | 2,922 |  |  |
Operating lease liabilities |  |  | 1,131 | 1,131 |  |  |  | 1,131 |  | $ 400 | $ 400
Purchase consideration |  |  |  |  |  |  |  |  |  |  |
Operating lease right-of-use assets |  |  | 349 | 349 |  |  |  | 349 |  | 378 | $ 400
Allocation of purchase consideration |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  | 143,904 | 143,904 |  |  |  | 143,904 |  | 153,290 |
Prepaid expenses and other current assets |  |  | 2,820 | 2,820 |  |  |  | 2,820 |  | 483 |
Exarafenib milestone asset |  |  | 2,922 | 2,922 |  |  |  | 2,922 |  |  |
Accrued and other liabilities |  |  | (4,869) | (4,869) |  |  |  | (4,869) |  | (2,768) |
Operating lease liabilities |  |  | (421) | (421) |  |  |  | (421) |  | (54) |
Long-term operating lease liabilities |  |  | (710) | (710) |  |  |  | (710) |  | (335) |
Less: Gain on the acquisition of Kinnate |  |  | (19,316) |  |  |  |  | (19,316) |  |  |
Net Income (Loss) |  |  | 15,985 |  | $ (8,595) | $ (5,400) | $ (9,813) | 7,390 | $ (15,213) |  |
Revenues |  |  | 11,086 |  |  | $ 1,658 |  | 12,576 | $ 2,095 |  |
Exarafenib and related IP | CVR Agreement | Kinnate |  |  |  |  |  |  |  |  |  |  |
Asset acquisition |  |  |  |  |  |  |  |  |  |  |
Percentage of further net proceeds from sale |  | 100.00% |  |  |  |  |  |  |  |  |
Percentage of net proceeds from any license or other disposition |  | 85.00% |  |  |  |  |  |  |  |  |
Exarafenib and related IP | Disposed of by Sale, Not Discontinued Operations | Kinnate |  |  |  |  |  |  |  |  |  |  |
Asset acquisition |  |  |  |  |  |  |  |  |  |  |
Cash consideration received |  | $ 500 |  |  |  |  |  |  |  |  |
Contingent consideration from the Exarafenib Sale payable from Pierre Fabre to the Company |  | 30,500 |  |  |  |  |  |  |  |  |
Kinnate |  |  |  |  |  |  |  |  |  |  |
Asset acquisition |  |  |  |  |  |  |  |  |  |  |
Asset acquisition, Share price (in dollars per share) | $ / shares | $ 2.5879 |  |  |  |  |  |  |  |  |  |
Number of non-transferable contractual CVR per share of Kinnate common stock | Right | 1 |  |  |  |  |  |  |  |  |  |
Contingent consideration from the Exarafenib Sale payable from Pierre Fabre to the Company | $ 30,500 |  |  |  |  |  |  |  |  |  |
Exarafenib milestone asset | 2,922 |  | 2,900 | 2,900 |  |  |  | 2,900 |  |  |
Exarafenib milestone contingent consideration |  |  | 2,900 | 2,900 |  |  |  | 2,900 |  |  |
Operating lease liabilities | 800 |  |  |  |  |  |  |  |  |  |
Purchase consideration |  |  |  |  |  |  |  |  |  |  |
Closing cash payment | 122,646 |  |  |  |  |  |  |  |  |  |
Estimated fair value of the Exarafenib milestone contingent consideration | 2,922 |  |  |  |  |  |  |  |  |  |
Transaction costs | 809 |  |  |  |  |  |  |  |  |  |
Total purchase consideration | $ 126,377 |  |  |  |  |  |  |  |  |  |
Kinnate common stock tendered | shares | 47,232,737 |  |  |  |  |  |  |  |  |  |
Total number of underlying shares | shares | 2,510,552 |  |  |  |  |  |  |  |  |  |
Fair value of the IPR&D asset | $ 0 |  |  |  |  |  |  |  |  |  |
Intangible assets | 0 |  |  |  |  |  |  |  |  |  |
Operating lease right-of-use assets | 0 |  |  |  |  |  |  |  |  |  |
Allocation of purchase consideration |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents | 142,381 |  |  |  |  |  |  |  |  |  |
Prepaid expenses and other current assets | 3,223 |  |  |  |  |  |  |  |  |  |
Exarafenib milestone asset | 2,922 |  | $ 2,900 | 2,900 |  |  |  | 2,900 |  |  |
Accrued and other liabilities | (2,009) |  |  |  |  |  |  |  |  |  |
Operating lease liabilities | (322) |  |  |  |  |  |  |  |  |  |
Long-term operating lease liabilities | (502) |  |  |  |  |  |  |  |  |  |
Net assets acquired | 145,693 |  |  |  |  |  |  |  |  |  |
Less: Gain on the acquisition of Kinnate | (19,316) |  |  |  |  |  |  |  |  |  |
Total purchase consideration | 126,377 |  |  |  |  |  |  |  |  |  |
Severance charges |  |  |  | $ 3,600 |  |  |  |  |  |  |
Severance charges paid |  |  |  |  |  |  |  | 3,600 |  |  |
Kinnate | Pro forma |  |  |  |  |  |  |  |  |  |  |
Allocation of purchase consideration |  |  |  |  |  |  |  |  |  |  |
Net Income (Loss) |  |  |  |  |  |  |  | 7,400 |  | 25,100 |
Kinnate | Adjustment |  |  |  |  |  |  |  |  |  |  |
Allocation of purchase consideration |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  | $ 0 |  | $ 0 |
Kinnate | CVR Agreement |  |  |  |  |  |  |  |  |  |  |
Asset acquisition |  |  |  |  |  |  |  |  |  |  |
Contingent consideration from the Exarafenib Sale payable from the Company to the Kinnate CVR Holders under the CVR Agreement | $ 30,500 |  |  |  |  |  |  |  |  |  |
Kinnate | Exarafenib and related IP | Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |  |  |  |
Asset acquisition |  |  |  |  |  |  |  |  |  |  |
Contingent consideration from the Exarafenib Sale payable from Pierre Fabre to the Company |  | $ 30,500 |  |  |  |  |  |  |  |  |

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