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ASSET RETIREMENT OBLIGATIONS (Tables)
 12 Months Ended
Dec. 31, 2017
ASSET RETIREMENT OBLIGATIONS  
Schedule of reclamation expense

 

 

 

 

 

 

 

 

 

 

 

 

Year ended December 31,

 

    

2017

    

2016

    

2015

Reclamation Adjustment reflecting updated estimates

 

$

1,426

 

$

89

 

$

 —

Reclamation Accretion

 

 

635

 

 
506

 

 
429

Total

 

$
2,061

 

$
595

 

$
429

 

Schedule of reconciliation of asset retirement obligations

 

 

 

 

 

 

 

 

    

2017

    

2016

Asset retirement obligation liability, beginning of the period

 

$

9,843

 

$

7,784

Settlements

 

 

(126)

 

 

(66)

Accretion of liability

 

 

635

 

 

506

Acquisitions and divestitures

 

 

11,803

 

 

 —

Adjustment reflecting updated estimates

 

 

2,561

 

 

1,619

Foreign exchange revaluation

 

 

 6

 

 

 —

Asset retirement obligation liability, ending balance

 

$

24,722

 

$

9,843

Current portion

 

 

(646)

 

 

(537)

Non-current portion

 

$

24,076

 

$

9,306