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Note 5 - Properties, Plant and Equipment, Net and Mineral Rights - Liabilities Held for Sale (Details) - USD ($)	Mar. 31, 2026	Dec. 31, 2025
Reclamation liability	$ 16,760	$ 6,488,215
Total liabilities held for sale	6,651,319
Discontinued Operations, Held-for-Sale [Member]
Reclamation liability	6,591,724
Other	59,595
Total liabilities held for sale	$ 6,651,319

X

- Definition

Amount of liabilities held-for-sale that are not part of a disposal group.

+ References

No definition available.

+ Details

Name:	lode_LiabilitiesHeldforsaleNotPartOfDisposalGroup
Namespace Prefix:	lode_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of other liabilities held-for-sale that are not part of a disposal group.

+ References

No definition available.

+ Details

Name:	lode_LiabilitiesHeldforsaleNotPartOfDisposalGroupOther
Namespace Prefix:	lode_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of a reclamation liability that is associated with a legal obligation for the closure and reclamation of oil and gas properties.

+ References

No definition available.

+ Details

Name:	us-gaap_OilAndGasReclamationLiabilityNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsHeldforsaleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: