v3.26.1
Segment reporting (Tables)
 6 Months Ended
Jun. 30, 2026
Segment Reporting [Abstract]  
Schedule of Segment Information
Segment information for the periods presented is as follows:
As at and for the three months ended June 30, 2026
Santa Cruz Copper ProjectCritical
Metals		Data
Processing		Energy
Storage		Total
Revenue$— $— $724 $— $724 
Exploration Expenses10,537 10,871 — — 21,408 
General and administrative expenses— 7,578 154 534 8,266 
Other segment items1
— (8,003)415 118 (7,470)
Total segment operating expenses10,537 10,446 569 652 22,204 
Loss (income) from operations10,537 10,446 (155)652 21,480 
Depreciation and amortization44 447 12 — 459 
Segment assets208,981 319,646 2,656 53,537 584,820 
Expenditures for segment assets19,800 1,644 — 196 21,640 
Investments subject to significant influence— 11,882 765 44,058 56,705 
As at and for the six months ended June 30, 2026
Santa Cruz Copper ProjectCritical
Metals		Data
Processing		Energy
Storage		Total
Revenue$— $— $1,582 $— $1,582 
Exploration Expenses20,037 24,577 — — 44,614 
General and administrative expenses— 16,607 422 1,099 18,128 
Other segment items1
— (132,722)1,109 (4,823)(136,436)
Total segment operating expenses20,037 (91,538)1,531 (3,724)(73,694)
Loss (income) from operations20,037 (91,538)(51)(3,724)(75,276)
Depreciation and amortization74 970 23 — 1,067 
Segment assets208,981 319,646 2,656 53,537 584,820 
Expenditures for segment assets20,991 3,138 — 702 24,831 
Investments subject to significant influence— 11,882 765 44,058 56,705 
1The composition of ‘Other segment items’ varies by segment. For the six months ended June 30, 2026 it consists primarily of gains from the divestment of the Alacrán and Pinaya projects in critical metals, cost of sales in data processing and provision for expected credit loss in energy storage. For the three months ended June 30, 2026 it consists primarily of gains from the divestment of the Pinaya project in critical metals and cost of sales in data processing.
As at and for the three months ended June 30, 2025
Santa Cruz Copper ProjectCritical
Metals		Data
Processing		Energy
Storage		Total
Revenue from external customers$— $— $1,068 $— $1,068 
Intersegment revenues— — — — — 
Elimination of intersegment revenue— — — — — 
Revenue— — 1,068 — 1,068 
Exploration Expenses5,425 8,653 — — 14,078 
General and administrative expenses— 8,853 162 706 9,721 
Other segment items1
— 2,555 348 1 2,904 
Total segment operating expenses5,425 20,061 510 707 26,703 
Loss (income) from operations5,425 20,061 (558)707 25,635 
Depreciation and amortization38 690 12 — 702 
Segment assets179,264 161,856 2,351 57,000 400,471 
Expenditures for segment assets731 661 — — 661 
Investments subject to significant influence— 15,988 844 39,921 56,753 
As at and for the six months ended June 30, 2025
Santa Cruz Copper ProjectCritical
Metals		Data
Processing		Energy
Storage		Total
Revenue from external customers$— $— $1,803 $— $1,803 
Intersegment revenues— — 10 — 10 
Elimination of intersegment revenue— — (10)— (10)
Revenue— — 1,803 — 1,803 
Exploration Expenses11,929 17,934 — — 29,863 
General and administrative expenses— 19,143 335 1,829 21,307 
Other segment items1
— 2,555 693 24 3,272 
Total segment operating expenses11,929 39,632 1,028 1,853 54,442 
Loss (income) from operations11,929 39,632 (775)1,853 52,639 
Depreciation and amortization76 1,262 24 — 1,362 
Segment assets179,264 161,856 2,351 57,000 400,471 
Expenditures for segment assets731 1,258 — — 1,989 
Investments subject to significant influence— 15,988 844 39,921 56,753 
1The composition of ‘Other segment items’ varies by segment. For the three and six months ended June 30, 2025 it consists primarily of impairment charges in critical metals and cost of sales in data processing.