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Property, Plant, Equipment and Mineral Interests
 9 Months Ended
Sep. 30, 2017
Property, Plant and Equipment, Net [Abstract]  
Property, Plant and Equipment Disclosure [Text Block]
6.
Property, Plant, Equipment and Mineral Interests
 
Property, plant and equipment and mineral interests, are depreciated and depleted using either the units-of-production or straight-line method over the shorter of the estimated useful life of the asset or the expected life of mine. Assets under construction in progress are recorded at cost and re-allocated to its corresponding category when they become available for use.
 
 
 
 
 
Mineral
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
property
 
 
 
Machinery
 
 
 
 
 
 
 
 
 
 
 
 
 
interest and
 
Mine
 
and
 
Buildings and
 
Construction
 
Interest
 
 
 
 
 
Land
 
claims
 
development
 
equipment
 
infrastructure
 
in progress
 
capitalized
 
Total
 
Cost
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
At December 31, 2015
 
$
110
 
$
4,459
 
$
84,798
 
$
28,085
 
$
8,565
 
$
-
 
$
-
 
$
126,017
 
Additions
 
 
3,777
 
 
 
 
 
 
 
 
 
 
 
9,391
 
 
542
 
 
5,674
 
 
19,384
 
Transfers
 
 
6
 
 
(6)
 
 
(42,765)
 
 
32,117
 
 
10,648
 
 
-
 
 
-
 
 
-
 
Disposals
 
 
-
 
 
-
 
 
-
 
 
-
 
 
-
 
 
-
 
 
-
 
 
-
 
At December 31, 2016
 
$
3,893
 
$
4,453
 
$
42,033
 
$
60,202
 
$
28,604
 
$
542
 
$
5,674
 
$
145,401
 
Additions
 
 
69
 
 
547
 
 
8,511
 
 
8,051
 
 
-
 
 
8,488
 
 
-
 
 
25,666
 
Transfers
 
 
-
 
 
(58)
 
 
-
 
 
-
 
 
(36)
 
 
(8,867)
 
 
-
 
 
(8,961)
 
Disposals
 
 
(23)
 
 
-
 
 
-
 
 
(1,344)
 
 
(171)
 
 
-
 
 
-
 
 
(1,538)
 
At September 30, 2017
 
$
3,939
 
$
4,942
 
$
50,544
 
$
66,909
 
$
28,397
 
$
163
 
$
5,674
 
$
160,568
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Accumulated depreciation and depletion
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
At December 31, 2015
 
$
-
 
$
-
 
$
654
 
$
1,462
 
$
350
 
$
-
 
$
-
 
$
2,466
 
Additions
 
 
-
 
 
72
 
 
317
 
 
5,666
 
 
2,330
 
 
-
 
 
-
 
 
8,385
 
Disposals
 
 
-
 
 
-
 
 
-
 
 
-
 
 
-
 
 
-
 
 
-
 
 
-
 
At December 31, 2016
 
$
-
 
$
72
 
$
971
 
$
7,128
 
$
2,680
 
$
-
 
$
-
 
$
10,851
 
Additions
 
 
-
 
 
211
 
 
1,805
 
 
4,676
 
 
1,765
 
 
-
 
 
348
 
 
8,779
 
Disposals
 
 
-
 
 
-
 
 
-
 
 
(256)
 
 
(26)
 
 
-
 
 
-
 
 
(282)
 
At September 30, 2017
 
$
-
 
$
283
 
$
2,776
 
$
11,548
 
$
4,419
 
$
-
 
$
348
 
$
19,374
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Carrying values
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
At December 31, 2016
 
$
3,893
 
$
4,381
 
$
41,062
 
$
53,074
 
$
25,924
 
$
542
 
$
5,674
 
$
134,550
 
At September 30, 2017
 
$
3,939
 
$
4,659
 
$
47,768
 
$
55,361
 
$
23,978
 
$
163
 
$
5,326
 
$
141,194
 
 
During the nine months ended September 30, 2017, the Company acquired 4 pieces of mining equipment (2016 – 1) from Komatsu through financing agreements and disposed of 2 pieces of mining equipment (2016 – nil). See Note 16 for further details.