XML 58 R13.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2

Property, Plant and Equipment, net

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment, net

Property, Plant and Equipment, net

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

Depreciation expense was $25,689, $17,117 and $7,267 for the years ended December 31, 2019, 2018 and 2017, respectively. Depletion expense was $49, $47 and $33 for the years ended December 31, 2019, 2018 and 2017, respectively.

The Company capitalized no interest expense associated with the construction of new property, plant and equipment for the years ended December 31, 2019, 2018 and 2017.

X

- References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-URI http://asc.fasb.org/topic&trid=2155823

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration