Other non-current assets |
6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Jun. 30, 2026 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other non-current assets | 8. Other non-current assets:
(a) Deposits are amounts paid in advance for capital asset acquisitions that have not yet been received or placed in service. In May 2026, the Company entered into an agreement to acquire a tunnel boring machine ("TBM") and material handling system for mine access development at the Santa Cruz Copper Project. The total purchase price is $64.7 million, payable in installments over a two-year period upon the achievement of specified contractual milestones. As of June 30, 2026, the Company had made an initial deposit of $13.8 million. As of June 30, 2026, the Company has also made deposit payments totalling $9.8 million relating to upgrading the electrical power at the Santa Cruz Copper Project.
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