Related party transactions - Schedule of Related Party Payable (Details) - USD ($) |
Sep. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Disclosure of transactions between related parties [line items] | ||
| Related party payables | $ 176,736 | $ 88,742 |
| Keith Liddell | ||
| Disclosure of transactions between related parties [line items] | ||
| Related party payables | 78,761 | 0 |
| NewVision Metals PTE. Limited | ||
| Disclosure of transactions between related parties [line items] | ||
| Related party payables | 56,309 | 41,667 |
| Airvolution Co. Limited | ||
| Disclosure of transactions between related parties [line items] | ||
| Related party payables | $ 41,666 | $ 47,075 |