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Nature of the business and organization (Details) treatmentCourse in Millions, $ in Millions | 12 Months Ended
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Dec. 31, 2022 USD ($) segment treatmentCourse product category productCandidate Category
Asset Acquisition [Line Items] |
Number of categories of public health threats | category | 5
Number of revenue generating products | product | 13
Number of product candidates | productCandidate | 1
Number of product and service categories | Category | 3
Number of reportable segments | segment | 2
Number of operating segments | segment | 2
Chimerix Asset Acquisition |
Asset Acquisition [Line Items] |
Payments to acquire productive assets | $ 238.0
Finite-lived intangible assets acquired | 156.9
Asset acquisition, inventory acquired | $ 82.3
Asset acquisition, domestic royalty percentage | 20.00%
Asset acquisition, treatment volume threshold | treatmentCourse | 1.7
Asset acquisition, international royalty percentage | 15.00%
Chimerix Asset Acquisition | Milestone Payments |
Asset Acquisition [Line Items] |
Asset acquisition, consideration transferred, contingent consideration | $ 124.0
Chimerix Asset Acquisition | Regulatory Milestones |
Asset Acquisition [Line Items] |
Asset acquisition, consideration transferred, contingent consideration | $ 12.5

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- Definition Amount of contingent consideration recognized as part of consideration transferred in asset acquisition. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 30 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=126928898&loc=d3e9212-128498 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 25 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=127000608&loc=d3e9135-128495 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 30 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126928898&loc=d3e9215-128498 + Details
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8672-108599 + Details
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