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NOTES RECEIVABLE AND ADVANCES, NET - Tonogold Note Receivable (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 26, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Change in fair value Tonogold note receivable	$ 0	$ 605,000
Tonogold
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable current, before fair value adjustments		$ 6,650,000	$ 6,650,000

X

- Definition

Increase (Decrease) in Value of Tonogold Note Receivable Recognized in Income

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Notes Receivable Current, Before Fair Value Adjustments

+ References

No definition available.

+ Details

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Namespace Prefix:	lode_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: