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Revenue (Tables) | 12 Months Ended
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Dec. 31, 2022
Revenue |
Summary of revenue from the sale of dore and concentrate | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the year ended December 31,
​ | ​ | 2022 | ​ | 2021
​ | ​ | (in thousands)
Doré sales, net | ​ | ​ | ​ | ​ | ​ | ​
Gold | ​ | $ | 7,997 | ​ | $ | 8,120
Silver | ​ | ​ | 230 | ​ | ​ | 678
Less: Refining charges | ​ | ​ | (59) | ​ | ​ | (136)
Total doré sales, net | ​ | ​ | 8,168 | ​ | ​ | 8,662
Concentrate sales | ​ | ​ | ​ | ​ | ​ | ​
Gold | ​ | ​ | 46,322 | ​ | ​ | 32,593
Silver | ​ | ​ | 22,527 | ​ | ​ | 26,095
Copper | ​ | ​ | 11,987 | ​ | ​ | 13,495
Lead | ​ | ​ | 11,626 | ​ | ​ | 13,442
Zinc | ​ | ​ | 50,470 | ​ | ​ | 41,256
Less: Treatment and refining charges | ​ | ​ | (12,013) | ​ | ​ | (11,349)
Total concentrate sales, net | ​ | ​ | 130,919 | ​ | ​ | 115,532
Realized (loss) gain - embedded derivative, net (1) | ​ | ​ | (720) | ​ | ​ | 777
Unrealized gain - embedded derivative, net | ​ | ​ | 357 | ​ | ​ | 225
Total sales, net | ​ | $ | 138,724 | ​ | $ | 125,196
​
(1) | Copper, lead, and zinc are co-products. In the realized (loss) gain - embedded derivative, net, there are $0.7 million loss and $0.8 million gain, respectively, related to these co-products for the twelve months ended December 31, 2022 and 2021.
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