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Note 5 - Properties, Plant and Equipment, Net and Mineral Rights - Mineral Rights and Properties (Details) - USD ($) | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Mineral rights and properties | $ 730,597 | $ 11,980,716
Comstock Mineral Estate [Member] |  |
Mineral rights and properties | 0 | 10,842,716
Other Mineral Properties [Member] |  |
Mineral rights and properties | 0 | 317,405
Water Rights [Member] |  |
Mineral rights and properties | $ 730,597 | $ 820,595

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- Definition Mineral properties, net of adjustments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=lode_OtherMineralPropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=lode_WaterRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |