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Property, Plant and Equipment, net

3 Months Ended

Mar. 31, 2025

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment, net

Property, Plant and Equipment, net

Net property, plant and equipment consisted of:

			March 31, 2025						December 31, 2024
Machinery, equipment and tooling			$	44,188					$	43,041
SmartSystems			32,583						32,551
Vehicles			4,161						3,961
Furniture and fixtures			1,420						1,368
Plant and building			219,398						218,546
Real estate properties			7,187						7,161
Railroad and sidings			35,728						35,728
Land and land improvements			40,627						40,627
Asset retirement obligations			23,283						23,283
Mineral properties			7,442						7,442
Deferred mining costs			4,463						4,434
Construction in progress			4,385						3,216
			424,865						421,358
Less: accumulated depreciation and depletion			191,520						184,666
Total property, plant and equipment, net			$	233,345					$	236,692

Depreciation expense was $6,998 and $6,981 for the three months ended March 31, 2025 and 2024, respectively.

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- References

No definition available.

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- Definition

The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 360
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/360/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-SubTopic 360
-Topic 958
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477798/958-360-50-6

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-SubTopic 360
-Topic 958
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477798/958-360-50-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-SubTopic 360
-Topic 958
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477798/958-360-50-7

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