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Income Taxes | 12 Months Ended
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Dec. 31, 2024
Income Taxes [Abstract] |
Income Taxes | 13.INCOME TAXES The income tax recovery balance from continuing operations consists of: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​
(in thousands) |  | 2024 |  | 2023
​ | ​ | ​ | ​ | ​ | ​ | ​
Deferred income tax: |  | ​ |  |  | ​ |
Origination of temporary differences | ​ | $ | 211 | ​ | $ | 2,578
Prior year over (under) provision | ​ |  | 25 | ​ |  | (235)
Income tax recovery | ​ | $ | 236 | ​ | $ | 2,343
​ The Company operates in multiple industries and jurisdictions, and the related income is subject to varying rates of taxation. The combined Canadian tax rate reflects the federal and provincial tax rates in effect in Ontario, Canada for each applicable year. A reconciliation of the combined Canadian tax rate to the Company’s effective rate of income tax is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​
(in thousands) |  | 2024 |  | 2023 |
​ | ​ | ​ | ​ | ​ | ​ | ​ |
(Loss) Income before taxes – continuing operations | ​ | $ | (91,826) | ​ | $ | 87,021 | ​
Combined Canadian tax rate | ​ |  | 26.50 | % |  | 26.50 | %
Income tax recovery (expense) at combined rate | ​ |  | 24,334 | ​ |  | (23,061) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Difference in tax rates | ​ |  | 12,224 | ​ |  | (6,536) | ​
Non-deductible amounts | ​ |  | (12,864) | ​ |  | (5,042) | ​
Non-taxable amounts | ​ |  | 2,294 | ​ |  | 33,314 | ​
Change in deferred tax assets not recognized | ​ |  | (25,485) | ​ |  | 3,925 | ​
Change in tax rates, legislation | ​ |  | (112) | ​ |  | (80) | ​
Prior year under provision | ​ |  | 25 | ​ |  | (235) | ​
Other | ​ |  | (180) | ​ |  | 58 | ​
Income tax recovery | ​ | $ | 236 | ​ | $ | 2,343 | ​
​ The deferred income tax assets (liabilities) balance reported on the balance sheet is comprised of the temporary differences as presented below: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​
​ |  | At December 31 |  | At December 31
(in thousands) | ​ | 2024 | ​ | 2023
​ | ​ | ​ | ​ | ​ | ​ | ​
Deferred income tax assets: |  | ​ |  |  | ​ |
Property, plant and equipment, net | ​ | $ | 387 | ​ | $ | 387
Post-employment benefits | ​ |  | 268 | ​ |  | 295
Reclamation obligations | ​ |  | 11,080 | ​ |  | 11,699
Non-capital tax loss carry forwards | ​ |  | 13,806 | ​ |  | 18,489
Capital loss carry forward | ​ |  | 17,738 | ​ |  | 25,088
Other | ​ |  | 10,155 | ​ |  | 9,348
Deferred income tax assets-gross | ​ |  | 53,434 | ​ |  | 65,306
Set-off against deferred income tax liabilities | ​ |  | (53,434) | ​ |  | (65,306)
Deferred income tax assets-per balance sheet | ​ | $ | — | ​ | $ | —
​ | ​ | ​ | ​ | ​ | ​ | ​
Deferred income tax liabilities: | ​ |  |  | ​ |  |
Inventory | ​ | $ | (850) | ​ | $ | (852)
Property, plant and equipment, net | ​ |  | (35,872) | ​ |  | (40,707)
Investments-equity instruments and uranium | ​ |  | (17,738) | ​ |  | (25,088)
Other | ​ |  | (1,345) | ​ |  | (1,266)
Deferred income tax liabilities-gross | ​ |  | (55,805) | ​ |  | (67,913)
Set-off of deferred income tax assets | ​ |  | 53,434 | ​ |  | 65,306
Deferred income tax liabilities-per balance sheet | ​ | $ | (2,371) | ​ | $ | (2,607)
​ The deferred income tax liability continuity summary is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​
(in thousands) |  | 2024 |  | 2023
​ | ​ | ​ | ​ | ​ | ​ | ​
Balance-January 1 | ​ | $ | (2,607) | ​ | $ | (4,950)
Recognized in income | ​ |  | 236 | ​ |  | 2,343
Balance-December 31 | ​ | $ | (2,371) | ​ | $ | (2,607)
​ Management believes that it is not probable that sufficient taxable profit will be available in future years to allow the benefit of the following deferred tax assets to be utilized: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​
​ |  | At December 31 |  | At December 31
(in thousands) | ​ | 2024 | ​ | 2023
​ | ​ | ​ | ​ | ​ | ​ | ​
Deferred income tax assets not recognized |  | ​ |  |  | ​ |
Property, plant and equipment | ​ | $ | 9,323 | ​ | $ | 6,985
Tax losses-capital | ​ |  | 44,381 | ​ |  | 38,445
Tax losses-operating | ​ |  | 86,494 | ​ |  | 69,919
Tax credits | ​ |  | 2,500 | ​ |  | 1,126
Other deductible temporary differences | ​ |  | 1,127 | ​ |  | 2,881
Deferred income tax assets not recognized | ​ | $ | 143,825 | ​ | $ | 119,356
​ The expiry dates of the Company’s Canadian operating tax losses and tax credits are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Expiry |  | At December 31 |  | At December 31
(in thousands) | ​ | Date | ​ | 2024 | ​ | 2023
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Tax losses-gross |  | ​ | 2025-2044 | ​ | $ | 370,207 | ​ | $ | 324,965
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Tax benefit at tax rate of 26% - 27% | ​ | ​ | ​ | ​ |  | 100,300 | ​ |  | 88,408
Set-off against deferred tax liabilities |  | ​ | ​ | ​ |  | (13,805) | ​ |  | (18,489)
Total tax loss assets not recognized | ​ | ​ | ​ | ​ | $ | 86,495 | ​ | $ | 69,919
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Tax credits | ​ |  | 2025-2036 | ​ |  | 1,127 | ​ |  | 1,126
Total tax credit assets not recognized | ​ | ​ | ​ | ​ | $ | 1,127 | ​ | $ | 1,126
​

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