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v3.23.1

Share based payments - Incentive stock options outstanding (Details) - Stock options | 12 Months Ended
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Dec. 31, 2022 item $ / shares | Dec. 31, 2021 item $ / shares
Share based payments |  |
Balance at the beginning (in dollars per share) | $ / shares | $ 5.940 | $ 5.940
Balance at the end (in dollars per share) | $ / shares | $ 4.947 | $ 5.940
Balance at the beginning | 834,352 | 844,630
Grant | 461,162 | 51,389
Balance at the end | 991,960 | 834,352
$7.290 |  |
Share based payments |  |
Grant (in dollars per share) | $ / shares |  | $ 7.290
Grant |  | 5,556
$2.520 |  |
Share based payments |  |
Exercised (in dollars per share) | $ / shares |  | $ 2.520
Exercised |  | (58,889)
$6.210 |  |
Share based payments |  |
Grant (in dollars per share) | $ / shares |  | $ 6.210
Grant |  | 31,944
$6.300 |  |
Share based payments |  |
Grant (in dollars per share) | $ / shares |  | $ 6.300
Grant |  | 13,889
$2.880 |  |
Share based payments |  |
Expiries (in dollars per share) | $ / shares |  | $ 2.880
Expiries |  | (2,778)
$5.400, one |  |
Share based payments |  |
Grant (in dollars per share) | $ / shares | $ 5.400 |
Grant | 222,274 |
$6.300 |  |
Share based payments |  |
Cancelled (in dollars per share) | $ / shares | $ 6.300 |
Cancelled | (13,889) |
$11.880 |  |
Share based payments |  |
Expiries (in dollars per share) | $ / shares | $ 11.880 |
Expiries | (83,333) |
$2.520, one |  |
Share based payments |  |
Exercised (in dollars per share) | $ / shares | $ 2.520 |
Exercised | (35,184) |
$2.520, two |  |
Share based payments |  |
Exercised (in dollars per share) | $ / shares | $ 2.520 |
Exercised | (20,370) |
$5.760 |  |
Share based payments |  |
Grant (in dollars per share) | $ / shares | $ 5.760 |
Grant | 19,444 |
$4.630 |  |
Share based payments |  |
Grant (in dollars per share) | $ / shares | $ 4.630 |
Grant | 19,444 |
$4.900 |  |
Share based payments |  |
Grant (in dollars per share) | $ / shares | $ 4.900 |
Grant | 40,000 |
$4.380 |  |
Share based payments |  |
Grant (in dollars per share) | $ / shares | $ 4.380 |
Grant | 30,000 |
$12.420 |  |
Share based payments |  |
Expiries (in dollars per share) | $ / shares | $ 12.420 |
Expiries | (66,667) |
$2.520, three |  |
Share based payments |  |
Expiries (in dollars per share) | $ / shares | $ 2.520 |
Expiries | (9,259) |
$2.520, four |  |
Share based payments |  |
Expiries (in dollars per share) | $ / shares | $ 2.520 |
Expiries | (20,370) |
$5.400, two |  |
Share based payments |  |
Expiries (in dollars per share) | $ / shares | $ 5.400 |
Expiries | (32,258) |
$3.210 |  |
Share based payments |  |
Grant (in dollars per share) | $ / shares | $ 3.210 |
Grant | 130,000 |
$4.860 |  |
Share based payments |  |
Expiries (in dollars per share) | $ / shares | $ 4.860 |
Expiries | (22,223) |

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