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Note 8 - Revenue - Revenue from Gold (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) oz t | Dec. 31, 2021 USD ($) oz t | Dec. 31, 2020 USD ($) oz t
Statement Line Items [Line Items] |  |  |
Revenue | $ 142,082 | $ 121,329 | $ 100,002
Revenue from silver sales | 116 | 122 | 86
Revenue from gold sales | $ 141,966 | $ 121,207 | $ 99,916
Total ounces gold sold (Ounce) | oz | 80,094 | 68,617 | 57,137
Net work in progress and refinery (oz) (Ounce) | oz | 681 | (1,141) | 762
Gold produced (oz) (Ounce) | oz | 80,775 | 67,476 | 57,899
Tonnes milled (Metric Ton) | t | 752,033 | 665,628 | 597,962
Grade | 3.56 | 3.36 | 3.21
Recovery | 93.8 | 93.9 | 93.8
Realised gold price ($/oz) | $ 1,772 | $ 1,766 | $ 1,749

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