| Line Item | Jun 30, 2026 | Mar 31, 2026 | Jun 30, 2025 | Mar 31, 2025 |
|---|---|---|---|---|
| Operating expenses: | ||||
| Exploration and evaluation expenses | ||||
| General and administrative expenses | ||||
| Depreciation expense | ||||
| Transaction costs | — | |||
| Total operating expenses | ||||
| Operating loss | ||||
| Other income (expenses): | ||||
| Interest income | ||||
| Interest expense | ||||
| Foreign currency transaction gain/(loss) | ||||
| Change in fair value of SAFE | ||||
| Change in fair value of warrants | ||||
| Total other (expenses) income | ||||
| Loss before income taxes | ||||
| Provision for income taxes | ||||
| Net loss | ||||
| Less: Net loss attributable to noncontrolling interest | ||||
| Net loss attributable to Rare Earths Americas, Inc. | ||||
| Net loss per common share, basic | ||||
| Net loss per common share, diluted |