As of

As of

March 31, 2018

December 31, 2017

Accumulated

Net Book

Accumulated

Net Book

Cost

Depreciation

Value

Cost

Depreciation

Value

$

$

$

$

$

$

Rolling stock

3,431

3,211

220

3,388

3,184

204

Enclosures

32,991

7,292

25,699

32,991

6,880

26,111

Machinery and equipment

1,237

679

558

1,237

663

574

Furniture, fixtures and leasehold improvements

119

106

13

119

104

15

Information technology

1,119

1,071

48

1,120

1,063

57

38,897

12,359

26,538

38,855

11,894

26,961