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Property, Plant and Equipment, net (Tables)

6 Months Ended

Jun. 30, 2020

Property, Plant and Equipment [Abstract]

Schedule of net property, plant and equipment

Net property, plant and equipment consisted of:

			June 30, 2020						December 31, 2019
Machinery, equipment and tooling			$	20,145					$	19,683
SmartSystems			20,538						15,811
Vehicles			2,708						2,419
Furniture and fixtures			1,214						1,228
Plant and building			170,401						170,283
Real estate properties			4,678						4,946
Railroad and sidings			27,703						27,701
Land and land improvements			21,337						21,320
Asset retirement obligation			11,480						11,480
Mineral properties			7,442						7,442
Deferred mining costs			2,104						2,004
Construction in progress			9,012						9,208
			298,762						293,525
Less: accumulated depreciation and depletion			73,597						63,064
Total property, plant and equipment, net			$	225,165					$	230,461

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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=120391452&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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