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Exploration expense
3 Months Ended
Mar. 31, 2026
Exploration expenses  
Exploration expense
11. Exploration expense:
Three months ended
March 31:
Project20262025
Santa Cruz, USA $9,500 $6,504 
Alacrán, Colombia
3,334 3,336 
Hog Heaven, USA3,203 873 
Gleeson, USA2,630 96 
Tintic, USA234 712 
Project generation and other4,305 4,264 
Total$23,206 $15,785