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Spin-off of OmniAb - Schedule of revenue and expenses of the discontinued operations (Details) - Discontinued Operations - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Revenues: |  |  |
Total revenues | $ 26,564 | $ 35,589 | $ 22,857
Operating costs and expenses: |  |  |
Amortization of intangibles | 10,847 | 12,945 | 11,800
Research and development | 38,466 | 36,907 | 18,889
General and administrative | 13,383 | 10,693 | 3,823
Total operating costs and expenses | 62,696 | 60,545 | 34,512
Loss from operations | (36,132) | (24,956) | (11,655)
Other income (expense): |  |  |
Gain from short-term investments | 0 | 1,266 | 1,900
Interest expense | 0 | (7) | (5)
Other income (expense), net | 554 | (1,210) | (2,070)
Total other expense, net | 554 | 49 | (175)
Loss before income tax | (35,578) | (24,907) | (11,830)
Income tax benefit | 7,436 | 5,692 | 2,247
Net loss | (28,142) | (19,215) | (9,583)
Royalties |  |  |
Revenues: |  |  |
Total revenues | 1,289 | 0 | 0
Contract revenue |  |  |
Revenues: |  |  |
Total revenues | $ 25,275 | $ 35,589 | $ 22,857

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