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Asset Retirement Obligation (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2016

Dec. 31, 2015

Asset Retirement Obligation Disclosure [Abstract]

Reconciliation of Total Reclamation Liability for Asset Retirement Obligations

The following is a reconciliation of the total reclamation liability for asset retirement obligations:

Balance at December 31, 2015		$	1,180
Additions to liabilities			—
Accretion expenses			54
Balance at September 30, 2016		$	1,234

The following is a reconciliation of the total reclamation liability for asset retirement obligations.

Balance at December 31, 2013		$	204
Additions to liabilities			1,544
Accretion expenses			17
Balance at December 31, 2014		$	1,765
Additions to liabilities			105
Reductions to liabilities due to revision of estimates			(719	)
Accretion expenses			29
Balance at December 31, 2015		$	1,180

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- References

No definition available.

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- Definition

Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859

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