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SHARE CAPITAL (Tables) | 12 Months Ended
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Dec. 31, 2022
SHARE CAPITAL |
Issued and outstanding common shares continuity | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​
​ |  | Number of |  | ​
​ | ​ | Common | ​ | ​
(in thousands except share amounts) | ​ | Shares | ​ | ​
​ |  | ​ |  | ​ | ​
Balance-January 1, 2021 |  | 678,981,882 | ​ | $ | 1,366,710
Issued for cash: |  |  | ​ |  |
Unit issue proceeds-total |  | 110,023,950 | ​ |  | 144,214
Less: allocation to share purchase warrants liability (note 15) |  | — | ​ |  | (13,234)
Unit issue costs-total |  | — | ​ |  | (8,584)
Less: allocation to share purchase warrants issue expense |  | — | ​ |  | 791
Other share issue proceeds-total |  | 13,996,486 | ​ |  | 19,889
Less: other share issue costs |  | — | ​ |  | (1,798)
Share option exercises |  | 8,451,848 | ​ |  | 6,300
Share purchase warrant exercises |  | 5,500 | ​ |  | 14
Share option exercises-transfer from contributed surplus |  | — | ​ |  | 2,157
Share unit exercises-transfer from contributed surplus |  | 970,329 | ​ |  | 566
Share purchase warrant exercises-warrant liability settled |  | — | ​ |  | 4
​ |  | 133,448,113 | ​ |  | 150,319
Balance-December 31, 2021 |  | 812,429,995 | ​ | $ | 1,517,029
​ | ​ | ​ | ​ | ​ | ​
Issued for cash: |  |  | ​ |  |
Shares issued for cash-total |  | 11,042,862 | ​ |  | 20,200
Less:share issue costs |  | — | ​ |  | (599)
Other share issue-total |  | 128,052 | ​ |  | 219
Less: other share issue costs |  | — | ​ |  | (50)
Share option exercises |  | 2,169,681 | ​ |  | 1,459
Share option exercises-transfer from contributed surplus |  | — | ​ |  | 550
Share unit exercises-transfer from contributed surplus |  | 555,002 | ​ |  | 401
​ |  | 13,895,597 | ​ |  | 22,180
Balance-December 31, 2022 |  | 826,325,592 | ​ | $ | 1,539,209
​

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