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Revenue recognition - Narrative (Details) $ in Thousands | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2021 USD ($) Distributor segment | Mar. 31, 2020 USD ($) Distributor | Dec. 31, 2020 USD ($) | Jul. 17, 2020 USD ($) | Nov. 30, 2011 USD ($)
Collaboration and royalty revenue |  |  |  |  |
Number of operating segments | segment | 1 |  |  |  |
Number of distributors | Distributor | 2 | 3 |  |  |
Contract with Customer, Liability | $ 1,900 |  | $ 4,200 |  |
Performance obligations satisfied in period | 2,100 | $ 2,000 |  |  |
Remaining potential milestones that can be achieved |  |  |  | $ 335,000 |
Revenue | 117,942 | 68,259 |  |  |
United States |  |  |  |  |
Collaboration and royalty revenue |  |  |  |  |
Net product revenue | 43,500 | 27,500 |  |  |
Non-US |  |  |  |  |
Collaboration and royalty revenue |  |  |  |  |
Net product revenue | $ 47,800 | $ 40,700 |  |  |
Minimum |  |  |  |  |
Collaboration and royalty revenue |  |  |  |  |
Percentage of net product sales | 10.00% | 10.00% |  |  |
Collaboration revenue |  |  |  |  |
Collaboration and royalty revenue |  |  |  |  |
Revenue | $ 20,007 | $ 63 |  |  |
Royalty revenue |  |  |  |  |
Collaboration and royalty revenue |  |  |  |  |
Revenue | 6,655 | 0 |  |  |
Licensing And Collaboration Agreement |  |  |  |  |
Collaboration and royalty revenue |  |  |  |  |
Revenue | 20,000 | 100 |  |  |
Licensing And Collaboration Agreement | Collaboration revenue |  |  |  |  |
Collaboration and royalty revenue |  |  |  |  |
Revenue | 20,000 | 100 |  |  |
Licensing And Collaboration Agreement | Royalty revenue |  |  |  |  |
Collaboration and royalty revenue |  |  |  |  |
Revenue | 6,700 | 0 |  |  |
Research And Development Event Milestones | Licensing And Collaboration Agreement |  |  |  |  |
Collaboration and royalty revenue |  |  |  |  |
Remaining potential milestones that can be achieved | 10,000 |  |  |  |
Research And Development Event Milestones | Licensing And Collaboration Agreement | Maximum |  |  |  |  |
Collaboration and royalty revenue |  |  |  |  |
Remaining potential milestones that can be achieved |  |  |  |  | $ 135,000
Sales Milestones | Licensing And Collaboration Agreement |  |  |  |  |
Collaboration and royalty revenue |  |  |  |  |
Remaining potential milestones that can be achieved | 325,000 |  |  |  |
Milestone payments received | $ 20,000 | $ 0 |  |  |
Sales Milestones | Licensing And Collaboration Agreement | Maximum |  |  |  |  |
Collaboration and royalty revenue |  |  |  |  |
Remaining potential milestones that can be achieved |  |  |  |  | $ 325,000

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