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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