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Note 7 - Revenue - Revenue from Gold (Details) | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) oz t | Dec. 31, 2020 USD ($) oz t | Dec. 31, 2019 USD ($) oz t
Statement Line Items [Line Items] |  |  |
Revenue | $ | $ 121,329,000 | $ 100,002,000 | $ 75,826,000
Total ounces sold (Ounce) | 68,617 | 57,137 | 54,801
Work in progress and refinery (Ounce) | (1,141) | 762 | 381
Gold produced (oz) (Ounce) | 67,476 | 57,899 | 55,182
Tonnes milled (Metric Ton) | t | 665,628 | 597,962 | 556,331
Grade | 3.36 | 3.21 | 3.31
Recovery | 93.9 | 93.8 | 93.4
Realised gold price ($/oz) | $ | $ 1,766 | $ 1,749 | $ 1,382

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