XML 40 R29.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Revenue (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2018
Revenue |
Revenue from the sale of dore and concentrate |
|  | Three months ended June 30, |  | Six months ended June 30,
|  | 2018 |  | 2017 |  | 2018 |  | 2017
|  | (in thousands) |  | (in thousands)
Doré sales, net |  |  |  |  |  |  |  |  |  |  |  |
Gold |  | $ | 1,722 |  | $ | 1,435 |  | $ | 3,631 |  | $ | 3,062
Silver |  |  | 472 |  |  | 21 |  |  | 769 |  |  | 42
Less: Refining charges |  |  | (38) |  |  | (5) |  |  | (63) |  |  | (22)
Total doré sales, net |  |  | 2,156 |  |  | 1,451 |  |  | 4,337 |  |  | 3,082
Concentrate sales |  |  |  |  |  |  |  |  |  |  |  |
Gold |  |  | 5,396 |  |  | 4,514 |  |  | 10,937 |  |  | 11,600
Silver |  |  | 8,803 |  |  | 5,604 |  |  | 14,884 |  |  | 12,892
Copper |  |  | 2,638 |  |  | 1,219 |  |  | 5,018 |  |  | 2,529
Lead |  |  | 3,498 |  |  | 2,316 |  |  | 7,345 |  |  | 4,254
Zinc |  |  | 11,841 |  |  | 7,790 |  |  | 25,225 |  |  | 13,846
Less: Treatment and refining charges |  |  | (1,261) |  |  | (1,479) |  |  | (3,095) |  |  | (2,987)
Total concentrate sales, net |  |  | 30,915 |  |  | 19,964 |  |  | 60,314 |  |  | 42,134
Realized/unrealized embedded derivative, net |  |  | (2,303) |  |  | (24) |  |  | (1,732) |  |  | 511
Total sales, net |  | $ | 30,768 |  | $ | 21,391 |  | $ | 62,919 |  | $ | 45,727

X
- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130545-203045 + Details
Name: | us-gaap_DisaggregationOfRevenueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RevenueFromContractWithCustomerAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration