As of

As of

June 30, 2018

December 31, 2017

Accumulated

Net Book

Accumulated

Net Book

Cost

Depreciation

Value

Cost

Depreciation

Value

$

$

$

$

$

$

Rolling stock

3,432

3,239

193

3,388

3,184

204

Enclosures

32,991

7,705

25,286

32,991

6,880

26,111

Machinery and equipment

1,237

696

541

1,237

663

574

Furniture, fixtures and leasehold improvements

119

107

12

119

104

15

Information technology

1,121

1,081

40

1,120

1,063

57

38,900

12,828

26,072

38,855

11,894

26,961