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Significant agreements (Details) $ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2022 USD ($) tradingDay | Dec. 31, 2023 USD ($) | Jun. 09, 2021 USD ($)
Ligand UK Development Limited |  |  |
Capitalized Contract Cost [Line Items] |  |  |
Sublicense Payment | $ 2,000 |  |
Sublicense Payment, Equity Issuance, Threshold Trading Days | tradingDay | 10 |  |
Ligand UK Development Limited | Selling, General and Administrative Expenses |  |  |
Capitalized Contract Cost [Line Items] |  |  |
Sublicense Payment | $ 2,000 |  |
Ligand UK Development Limited | First Commercial Sale |  |  |
Capitalized Contract Cost [Line Items] |  |  |
Sublicense Payment | $ 15,000 |  |
Nuance (Shanghai) Pharma Co Ltd |  |  |
Capitalized Contract Cost [Line Items] |  |  |
Transaction price |  |  | $ 40,000
Accounts receivable |  |  | 25,000
Equity interest receivable |  | $ 15,000 | 15,000
Future eligible milestone payments |  |  | $ 179,000
Contract with Customer, Liability, Revenue Recognized |  | $ 500 |

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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-8 + Details
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- Definition Contract With Customer, Future Eligible Milestone Payments + References No definition available. + Details
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