Share capital - Schedule of changes in number of warrants outstanding (Details) - $ / shares |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
Disclosure of Share based compensation and warrant reserve [Abstract] | |||
Warrants outstanding, Opening balance | 6,956,795 | 6,749,109 | 467,451 |
Warrants, Issued | 212,162 | 6,335,758 | |
Warrants, Expired | (474,702) | (4,476) | (54,100) |
Warrants outstanding, Closing Balance | 6,482,093 | 6,956,795 | 6,749,109 |
Weighted average exercise price, Warrants outstanding opening balance | $ 5.5 | $ 5.62 | $ 10.2 |
Weighted average exercise price warrants issued | 1.93 | 5.27 | |
Weighted average exercise price warrants expired | 8.54 | 5.43 | 4.97 |
Weighted average exercise price, Warrants outstanding closing balance | $ 5.48 | $ 5.5 | $ 5.62 |