COST OF GOODS SOLD BY NATURE (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Notes and other explanatory information [abstract] | |||
| Direct mine and mill costs (a) | $ (184,733) | $ (162,514) | $ (155,311) |
| Direct mine and mill costs - Contractors | (87,998) | (78,360) | (63,242) |
| Direct mine and mill costs - Salaries | (43,406) | (40,172) | (25,508) |
| Depletion and amortization | (70,723) | (61,847) | (46,816) |
| Total | $ (386,860) | $ (342,893) | $ (290,877) |