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RECLAMATION OBLIGATIONS (Tables) | 12 Months Ended
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Dec. 31, 2016
RECLAMATION OBLIGATIONS |
Schedule of reclamation expense |
|  | Year ended December 31,
|  | 2016 |  | 2015 |  | 2014
Reclamation Adjustment reflecting updated estimates |  | $ | 89 |  | $ | — |  | $ | —
Reclamation Accretion |  |  | 506 |  |  | 429 |  |  | 407
Total |  | $ | 595 |  | $ | 429 |  | $ | 407
Schedule of reconciliation of asset retirement obligations |
|  | 2016 |  | 2015
Balance at beginning of the period |  | $ | 7,784 |  | $ | 7,471
Settlements |  |  | (66) |  |  | —
Accretion of liability |  |  | 506 |  |  | 429
Adjustment reflecting updated estimates |  |  | 1,619 |  |  | (116)
Balance at December 31 |  | $ | 9,843 |  | $ | 7,784
Current portion |  |  | (537) |  |  | (215)
Non-current portion |  | $ | 9,306 |  | $ | 7,569
Schedule of assumptions in the calculation of asset retirement obligations |
|  | Year ended December 31,
|  | 2016 |  | 2015
Undiscounted Cash Flows |  | $ | 10.7 million |  | $ | 9.5 million
Remediation timeline |  |  | 2017-2025 |  |  | 2016-2022
Inflation rate |  |  | 1.6-2.4% |  |  | 1.4-1.7%
Credit adjusted risk free rate |  |  | 4.2-4.6% |  |  | 6.8%

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- Definition Tabular disclosure of asset retirement obligations assumptions. + References No definition available. + Details
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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 + Details
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