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Collaborations (Tables) | 12 Months Ended
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Dec. 31, 2020
Organization Consolidation And Presentation Of Financial Statements [Abstract] |
Schedule of Transaction Price Performance Obligations | Based on the relative stand-alone selling price, the allocation of the transaction price to the separate performance obligations was as follows:
Performance obligation |  | Transaction price |
|  | (in thousands) |
Research activities |  |  | 6,405 |
Options to license druggable targets |  |  | 31,148 |
Options to license undruggable targets |  |  | 12,447 |
Total transaction price |  |  | 50,000 |

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- Definition Tabular disclosure of collaborative arrangement and arrangement other than collaborative applicable to revenue-generating activity or operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 808 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6931272&loc=SL5834143-161434 + Details
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