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Property, Plant and Equipment, net (Tables)

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Schedule of net property, plant and equipment

The acquisition cost has been allocated over the assets as set forth below.

Machinery, equipment and tooling			$	1,478
Plant and building			1,407
Railroad and sidings			9,926
Land improvements			2,738
Total assets acquired			$	15,549

Net property, plant and equipment consists of:

			December 31,
			2019						2018
Machinery, equipment and tooling			$	19,683					$	14,858
SmartSystems			15,811						5,286
Vehicles			2,419						1,955
Furniture and fixtures			1,228						1,140
Plant and building			170,283						158,882
Real estate properties			4,946						4,601
Railroad and sidings			27,701						27,347
Land and land improvements			21,320						27,167
Asset retirement obligation			11,480						16,469
Mineral properties			7,442						10,075
Deferred mining costs			2,004						1,806
Construction in progress			9,208						21,619
			293,525						291,205
Less: accumulated depreciation and depletion			63,064						42,809
Total property, plant and equipment, net			$	230,461					$	248,396

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- References

No definition available.

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- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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