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Supplementary Cash Flow Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Supplementary Cash Flow Information |  |
Unrealized loss (gain) on gold and silver rounds | $ (63) | $ 53
Unrealized foreign currency exchange loss | 1,286 | 493
Loss on disposition of fixed assets | 408 | 37
Increase (decrease) in reserve for inventory | (264) | 175
Unrealized (gain) loss on zinc zero cost collar | (1,844) | 1,844
Other | 521 | 105
Total other operating adjustments | $ 44 | $ 2,707

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