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Accounts and Other Receivables (Tables) | 12 Months Ended
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Dec. 31, 2017
Accounts and Other Receivables [abstract] |
Schedule of Trade and Other Receivables |
﻿ |  |  |  |  |  |
﻿ |  |  | December 31, |  |  | December 31,
﻿ |  |  | 2017 |  |  | 2016
﻿Trade receivables from concentrate sales |  | $ | 34,250 |  | $ | 23,185
﻿Advances and other receivables |  |  | 1,249 |  |  | 1,095
﻿Value added taxes recoverable |  |  | 871 |  |  | 707
﻿Accounts and other receivables |  | $ | 36,370 |  | $ | 24,987
﻿

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- Definition Disclosure of the schedule of trade and other receivables. + References No definition available. + Details
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