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v3.22.4

Share-based compensation, Weighted Average Exercise Prices (Details) | 12 Months Ended
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Dec. 31, 2022 Options SFr / shares | Dec. 31, 2022 Options $ / shares SFr / shares | Dec. 31, 2021 Options SFr / shares | Dec. 31, 2021 Options SFr / shares $ / shares | Dec. 31, 2020 Options SFr / shares | Dec. 31, 2020 Options $ / shares SFr / shares | Dec. 31, 2019 Options SFr / shares
Number of options [Abstract] |  |  |  |  |  |  |
Outstanding at beginning of period (in shares) | 3,585,689 | 3,585,689 | 2,900,667 | 2,900,667 | 1,981,629 | 1,981,629 |
Forfeited during the year (in shares) | (304,738) | (304,738) | (207,331) | (207,331) | (53,591) | (53,591) |
Expired during the year (in shares) |  |  |  |  | (26,729) | (26,729) |
Exercised during the year (in shares) | (110,250) | (110,250) | (218,561) | (218,561) | (73,669) | (73,669) |
Granted during the year (in shares) | 1,090,316 | 1,090,316 | 1,110,914 | 1,110,914 | 1,073,027 | 1,073,027 |
Outstanding at end of period (in shares) | 4,261,017 | 4,261,017 | 3,585,689 | 3,585,689 | 2,900,667 | 2,900,667 | 1,981,629
Exercisable (in shares) | 2,345,648 | 2,345,648 | 1,613,242 | 1,613,242 | 1,099,015 | 1,099,015 |
Weighted average exercise price [Abstract] |  |  |  |  |  |  |
Outstanding at beginning of period (in CHF per share) | SFr / shares | SFr 6.21 |  | SFr 5.90 |  | SFr 5.93 |  |
Forfeited during the year (in CHF per share) | SFr / shares | 6.32 |  | 6.13 |  | 6.03 |  |
Expired during the year (in CHF per share) | SFr / shares |  |  |  |  | 4.38 |  |
Exercised during the year (in CHF per share) | SFr / shares | 0.15 |  | 4.97 |  | 2.00 |  |
Granted during the year (in CHF per share) | (per share) | 3.18 | $ 3.44 | 6.34 | $ 6.95 | 6.29 | $ 7.11 |
Outstanding at end of period (in CHF per share) | SFr / shares | 5.65 |  | 6.21 |  | 5.90 |  | SFr 5.93
Exercisable (in CHF per share) | SFr / shares | SFr 6.41 | $ 6.41 | SFr 6.13 | $ 6.13 | SFr 5.49 | $ 5.49 |
Weighted average remaining term (years) [Abstract] |  |  |  |  |  |  |
Weighted average remaining term (years), options outstanding | 7 years 7 months 6 days | 7 years 7 months 6 days | 7 years 9 months 18 days | 7 years 9 months 18 days | 8 years 2 months 12 days | 8 years 2 months 12 days | 8 years 3 months 18 days
Weighted average remaining term (years), options exercisable | 6 years 7 months 6 days | 6 years 7 months 6 days | 6 years 9 months 18 days | 6 years 9 months 18 days | 7 years | 7 years |

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