XML 86 R15.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Property, plant and equipment
12 Months Ended
Dec. 31, 2019
Property, plant and equipment  
Property, plant and equipment

6. Property, plant and equipment

Property, plant and equipment are summarized as follows:

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

December 31,

​

​

2019

​

2018

​

​

​

​

​

Land

​

$

2,378

​

$

2,378

Land improvements

​

4,541

​

4,357

Leasehold improvements

​

​

4,087

​

​

4,079

Buildings

​

28,715

​

28,238

Machinery and equipment

​

55,238

​

50,129

Furniture and fixtures

​

17,918

​

16,360

Mobile equipment and other

​

5,285

​

4,883

Construction-in-process

​

6,555

​

3,084

Total property, plant and equipment

​

124,717

​

113,508

Less accumulated depreciation

​

(66,273)

​

(58,313)

Net property, plant and equipment

​

$

58,444

​

$

55,195

​