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Note 5 - Properties, Plant and Equipment, Net and Mineral Rights (Tables)

3 Months Ended

Mar. 31, 2026

Notes Tables

Property, Plant, and Equipment [Table Text Block]

		March 31, 2026				December 31, 2025
Land		$	6,329,338			$	8,529,338
Real property leased to third parties			79,030				1,037,049
Property, plant and equipment for mineral processing			—				27,241,814
Property, plant and equipment for renewable fuels processing			13,724,303				12,881,458
Property, plant and equipment for solar panel recycling			3,123,974				3,123,974
Construction in process			14,712,022				1,588,214
Other property and equipment			4,032,150				4,429,933
Accumulated depreciation			(5,904,437	)			(28,945,571	)
Total properties, plant and equipment, net		$	36,096,380			$	29,886,209

Mineral Rights and Properties [Table Text Block]

		March 31, 2026				December 31, 2025
Comstock Mineral Estate		$	—			$	10,842,716
Other mineral properties			—				317,405
Water rights			730,597				820,595
Total mineral rights and properties		$	730,597			$	11,980,716

Long-Lived Asset, Held-for-Sale [Table Text Block]

Assets held for sale		March 31, 2026
Mineral properties		$	11,160,121
Water rights			90,000
Buildings, land and equipment, net			7,353,714
Reclamation bond deposit			4,105,585
Other			22,873
Total assets held for sale		$	22,732,293

Liabilities, Held-for-Sale [Table Text Block]

Liabilities held for sale		March 31, 2026
Reclamation liability		$	6,591,724
Other			59,595
Total liabilities held for sale		$	6,651,319

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Tabular disclosure of liabilities held for sale.

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Tabular disclosure of mineral rights and properties.

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Tabular disclosure of long-lived asset held for sale.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-3

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- Definition

Tabular disclosure of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-1

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