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INVESTMENTS (Tables) | 12 Months Ended
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Dec. 31, 2023
INVESTMENTS |
Summary of Investments balances | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | At December 31 |  | At December 31
(in thousands) | ​ | 2023 | ​ | 2022
​ | ​ | ​ | ​ | ​ | ​ | ​
Investments: |  | ​ |  |  | ​ |
Equity instruments |  | ​ |  |  | ​ |
Shares | ​ | $ | 10,390 | ​ | $ | 8,022
Warrants | ​ |  | 127 | ​ |  | 87
Convertible Debentures | ​ | ​ | 15,565 | ​ | ​ | —
Physical Uranium | ​ |  | 276,815 | ​ |  | 162,536
​ | ​ | $ | 302,897 | ​ | $ | 170,645
​ | ​ | ​ | ​ | ​ | ​ | ​
Investments-by balance sheet presentation: | ​ |  |  | ​ |  |
Current | ​ | $ | 10,400 | ​ | $ | 8,022
Long-term | ​ |  | 292,497 | ​ |  | 162,623
​ | ​ | $ | 302,897 | ​ | $ | 170,645
Summary of Investments continuity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Equity |  | ​ | Convertible | ​ | Physical |  | Total
(in thousands) | ​ | Instruments | ​ | ​ | Debentures | ​ | Uranium | ​ | Investments
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance-January 1, 2022 | ​ | $ | 14,578 | ​ | $ | — | ​ | $ | 133,114 | ​ | $ | 147,692
Change in fair value gain to profit and (loss) (note 20) | ​ |  | (6,469) | ​ |  | — | ​ |  | 29,422 | ​ |  | 22,953
Balance-December 31, 2022 | ​ | $ | 8,109 | ​ | $ | — | ​ | $ | 162,536 | ​ | $ | 170,645
Purchase of investments | ​ |  | 2,417 | ​ |  | 15,000 | ​ |  | — | ​ |  | 17,417
Sale of investments | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (19,901) | ​ | ​ | (19,901)
Change in fair value gain to profit and (loss) (note 20) | ​ |  | (9) | ​ |  | 565 | ​ |  | 134,180 | ​ |  | 134,736
Balance-December 31, 2023 | ​ | $ | 10,517 | ​ | $ | 15,565 | ​ | $ | 276,815 | ​ | $ | 302,897

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