| Summary of property, plant and equipment |
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March 31,
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December 31,
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2017
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2016
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|
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Land
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$
|
2,378
|
|
$
|
2,378
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|
Land improvements
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|
|
4,357
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|
|
4,357
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Leasehold Improvements
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|
|
3,385
|
|
|
2,569
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Buildings
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|
|
26,151
|
|
|
26,058
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Machinery and equipment
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|
|
42,506
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|
|
40,878
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Furniture and fixtures
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|
|
12,899
|
|
|
12,561
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Mobile equipment and other
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|
|
3,994
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|
|
3,873
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Construction-in-process
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|
|
2,081
|
|
|
3,850
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Total property, plant and equipment
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|
|
97,751
|
|
|
96,524
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Less accumulated depreciation
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(46,040)
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(44,383)
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Net property, plant and equipment
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|
$
|
51,711
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|
$
|
52,141
|
|