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Income Taxes - Tax Effects of Temporary Differences That Give Rise to Significant Portions of Deferred Tax Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Income Taxes |  |
Tax loss carryforward | $ 25,626 | $ 29,496
Property, plant, and mine development | 1,429 | 572
Share-based compensation | 511 | 1,068
Foreign tax credits | 4,089 | 4,089
Inventory | 45 | 142
Foreign Mining Tax | 1,106 | 793
Accounts Payable | 5,606 | 3,363
Gold and silver stream agreements liability | 2,144 | 1,681
Employee profit sharing obligation | 663 | 566
Zinc Derivatives |  | 608
Other | 1,344 | 472
Total deferred tax assets | 42,563 | 42,850
Valuation allowance | (31,818) | (36,933)
Deferred tax assets after valuation allowance | 10,745 | 5,917
Deferred tax liability - Property, plant and mine development | (17,724) | (16,722)
Deferred tax liability - Other | (2,245) | (2,321)
Total deferred tax liability | (19,969) | (19,043)
Net deferred tax liability | $ (9,224) | $ (13,126)

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