| Line Item | Dec 31, 2025 | Dec 31, 2024 | Dec 31, 2023 | Dec 31, 2022 | Dec 31, 2021 | Dec 31, 2020 | Dec 31, 2019 | Dec 31, 2018 |
|---|---|---|---|---|---|---|---|---|
| Statement of profit or loss and other comprehensive income [abstract] | ||||||||
| Product net sales | ||||||||
| Other operating income | ||||||||
| Total operating income | ||||||||
| Cost of sales | ||||||||
| Research and development expenses | ||||||||
| Selling, general and administrative expenses | ||||||||
| Loss from investment in a joint venture | ||||||||
| Total operating expenses | ||||||||
| Operating profit/(loss) | ||||||||
| Financial income | ||||||||
| Financial expense | ||||||||
| Exchange gains/(losses) | ||||||||
| Profit/(Loss) for the year before taxes | ||||||||
| Income tax benefit | ||||||||
| Profit/(Loss) for the year | ||||||||
| Profit/(Loss) for the year attributable to: | ||||||||
| Owners of the parent | ||||||||
| Basic profit/(loss) per share (in USD per share) | ||||||||
| Diluted profit/(loss) per share (in USD per share) |