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RECEIVABLES (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2016
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |
|  | March 31, |  |  | December 31, |
|  | 2016 |  |  | 2015 |
Current |  |  |  |  |  |
Trade receivables - mineral concentrate sales | $ | 8,345 |  | $ | 1,868 |
Trade receivables - other |  | 925 |  |  | 749 |
| $ | 9,270 |  | $ | 2,617 |
Non-current |  |  |  |  |  |
Notes receivable and other (1) | $ | 1,209 |  | $ | 1,096 |
| $ | 1,209 |  | $ | 1,096 |

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration