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Convertible loans - Valuation of Derivative (Details) |  | 9 Months Ended
--- | --- | ---
May 19, 2020 $ / shares | Sep. 30, 2023 period $ / shares
Initial Public Offering |  |
Disclosure of detailed information about borrowings [line items] |  |
Offering price per share (in USD per share) | $ 19.00 |
Facility Agreement With Deerfield Partners, L.P., Tranche One |  |
Disclosure of detailed information about borrowings [line items] |  |
Conversion percentage |  | 130.00%
Written put options (in USD per share) | Derivatives | Facility Agreement With Deerfield Partners, L.P., Tranche One |  |
Disclosure of detailed information about borrowings [line items] |  |
Key inputs for valuations |  | 24.70
Written put options (in USD per share) | Derivatives | Facility Agreement With Deerfield Partners, L.P., Tranche Two |  |
Disclosure of detailed information about borrowings [line items] |  |
Key inputs for valuations |  | 28.07
Forced Conversion Price (in USD per share) | Derivatives | Facility Agreement With Deerfield Partners, L.P., Tranche One |  |
Disclosure of detailed information about borrowings [line items] |  |
Key inputs for valuations |  | 67.93
Forced Conversion Price (in USD per share) | Derivatives | Facility Agreement With Deerfield Partners, L.P., Tranche Two |  |
Disclosure of detailed information about borrowings [line items] |  |
Key inputs for valuations |  | 77.19
Share Price (in USD per share) | Derivatives | Facility Agreement With Deerfield Partners, L.P., Tranche One |  |
Disclosure of detailed information about borrowings [line items] |  |
Key inputs for valuations |  | 10.33
Share Price (in USD per share) | Derivatives | Facility Agreement With Deerfield Partners, L.P., Tranche Two |  |
Disclosure of detailed information about borrowings [line items] |  |
Key inputs for valuations |  | 10.33
Risk Free, Interest Rate | Derivatives | Facility Agreement With Deerfield Partners, L.P., Tranche One |  |
Disclosure of detailed information about borrowings [line items] |  |
Key inputs for valuations |  | 0.032
Risk Free, Interest Rate | Derivatives | Facility Agreement With Deerfield Partners, L.P., Tranche Two |  |
Disclosure of detailed information about borrowings [line items] |  |
Key inputs for valuations |  | 0.032
Expected Volatility | Derivatives | Facility Agreement With Deerfield Partners, L.P., Tranche One |  |
Disclosure of detailed information about borrowings [line items] |  |
Key inputs for valuations |  | 0.85
Expected Volatility | Derivatives | Facility Agreement With Deerfield Partners, L.P., Tranche Two |  |
Disclosure of detailed information about borrowings [line items] |  |
Key inputs for valuations |  | 0.85
Expected Term | Derivatives | Facility Agreement With Deerfield Partners, L.P., Tranche One |  |
Disclosure of detailed information about borrowings [line items] |  |
Key inputs for valuations | period |  | 32.5
Expected Term | Derivatives | Facility Agreement With Deerfield Partners, L.P., Tranche Two |  |
Disclosure of detailed information about borrowings [line items] |  |
Key inputs for valuations | period |  | 32.5
Dividend yield | Derivatives | Facility Agreement With Deerfield Partners, L.P., Tranche One |  |
Disclosure of detailed information about borrowings [line items] |  |
Key inputs for valuations |  | 0
Dividend yield | Derivatives | Facility Agreement With Deerfield Partners, L.P., Tranche Two |  |
Disclosure of detailed information about borrowings [line items] |  |
Key inputs for valuations |  | 0
Recovery Rate [Member] | Derivatives | Facility Agreement With Deerfield Partners, L.P., Tranche One |  |
Disclosure of detailed information about borrowings [line items] |  |
Key inputs for valuations |  | 0.05
Recovery Rate [Member] | Derivatives | Facility Agreement With Deerfield Partners, L.P., Tranche Two |  |
Disclosure of detailed information about borrowings [line items] |  |
Key inputs for valuations |  | 0.05
Implied Bond Yield [Member] | Derivatives | Facility Agreement With Deerfield Partners, L.P., Tranche One |  |
Disclosure of detailed information about borrowings [line items] |  |
Key inputs for valuations |  | 0.120
Implied Bond Yield [Member] | Derivatives | Facility Agreement With Deerfield Partners, L.P., Tranche Two |  |
Disclosure of detailed information about borrowings [line items] |  |
Key inputs for valuations |  | 0.120

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