Related party transactions (Details Narrative) - USD ($) |
12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
May 15, 2026 |
Dec. 01, 2025 |
Oct. 01, 2025 |
Sep. 25, 2025 |
Jun. 25, 2025 |
Mar. 31, 2026 |
Mar. 31, 2025 |
Oct. 23, 2024 |
|
| IfrsStatementLineItems [Line Items] | ||||||||
| Royalty option recognized at fair value | $ 2,348,000 | |||||||
| Management services fee | $ 300,000 | |||||||
| Expense reimbursement | 7,594 | |||||||
| Accruals | ||||||||
| Havilah [member] | ||||||||
| IfrsStatementLineItems [Line Items] | ||||||||
| Warrant description | entitles Havilah to 3.5% of the gross proceeds of all minerals produced and sold from IMC’s properties, in perpetuity. | the right to fifty percent (50%) of all minerals extracted from the IMC properties, together with the option to purchase an additional twenty five percent (25%), each at a price based on the monthly average spot or settlement price of the minerals on Fastmarkets. | ||||||
| Events after reporting [member] | Havilah [member] | ||||||||
| IfrsStatementLineItems [Line Items] | ||||||||
| Warrant description | to issue Americas Holdings warrants exercisable from grant date through the five-year anniversary of the IPO of the Company, representing in aggregate 20% of the Company’s fully diluted equity immediately prior to the IPO, structured in four equal 5% tranches with exercise prices equivalent to the offering price set forth on the cover page of this prospectus plus a 10%, 20%, 30% or 40% premium per ordinary share, respectively. Up to the date of these consolidated financial statements, no warrants have been issued and accordingly, no accounting treatment is required. | |||||||
| Royalty Option Contract [member] | ||||||||
| IfrsStatementLineItems [Line Items] | ||||||||
| Estimated fair value amount | 2,273,000 | |||||||
| Fair value change in royalty | $ 75,000 | |||||||
| Fair value of royalty option, description | The underlying royalty value is calculated as the present value of 3.5% of projected gross proceeds from mineral products produced and sold, based on production and sales schedules prepared by industry experts, extending projections to 2047 with extraction commencing in 2029 and applying discount rates of 8% on the date of grant and 8.5% on March 31, 2026. Key unobservable inputs include long-term sales forecasts, commodity pricing assumptions, production quantities, volatility, discount rate, and scenario probability assumptions. No transfers between hierarchy levels occurred during the year | |||||||
| International Mineral Corporation Holdings Ltd [member] | ||||||||
| IfrsStatementLineItems [Line Items] | ||||||||
| Unsecured loan | $ 10,200,000 | |||||||
| Loan interest rate | 0.00% | |||||||
| Loan repayment | $ 5,000,000 | |||||||
| Market based interest rate | 8.00% | |||||||
| International Mineral Corporation Holdings Ltd [member] | Equity investments [member] | Events after reporting [member] | ||||||||
| IfrsStatementLineItems [Line Items] | ||||||||
| Other borrowings | $ 5,000,000 | |||||||