As of

As of

December 31, 2017

December 31, 2016

Accumulated

Net Book

Accumulated

Net Book

Cost

Depreciation

Value

Cost

Depreciation

Value

$

$

$

$

$

$

Rolling stock

3,388

3,184

204

3,251

2,966

285

Enclosures

32,991

6,880

26,111

32,991

5,229

27,762

Machinery and equipment

1,237

663

574

1,262

599

663

Furniture, fixtures and leasehold improvements

119

104

15

119

98

21

Information technology

1,120

1,063

57

1,153

1,036

117

38,855

11,894

26,961

38,776

9,928

28,848