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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

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- 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

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- References

No definition available.

+ Details

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