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Note 8 - Leases (Details Textual) - USD ($)	2 Months Ended	3 Months Ended
	Feb. 28, 2026	Mar. 31, 2026	Mar. 31, 2025	Mar. 11, 2026	Mar. 01, 2026	Jan. 06, 2026	Dec. 31, 2025	Nov. 01, 2025	Jul. 01, 2024
Finance Lease, Liability		$ 18,927
Operating Lease, Liability		$ 19,441,233			$ 238,379
Operating Lease, Expense			$ 217,875
Operating Lease, Weighted Average Remaining Lease Term (Year)		22 years 11 months 23 days					10 years 4 months 2 days
Operating Lease, Right-of-Use Asset		$ 18,152,226					$ 17,704,775
Finance Lease, Right-of-Use Asset, after Accumulated Amortization		18,927					$ 836,921
Navitas Equipment Lease Agreement [Member]
Lessee, Finance Lease, Term of Contract (Month)				55 months
Lessee, Finance Lease, Monthly Rent Expense				$ 756
Finance Lease, Liability		$ 19,053
Lessee, Finance Lease, Discount Rate		39.63%
Finance Lease, Expense		$ 756
Finance Lease, Right-of-Use Asset, after Accumulated Amortization		19,053
Industrial and Commercial Lease [Member]
Lessee, Operating Lease, Monthly Rent Expense		17,500
Operating Lease, Liability		19,449
Operating Lease, Expense		57,021
Operating Lease, Right-of-Use Asset		19,053
Cambridge Land and Premises Lease [Member]
Lessee, Operating Lease, Monthly Rent Expense						$ 12,500
Operating Lease, Liability						$ 523,890
Operating Lease, Expense		36,290
Lessee, Operating Lease, Term of Contract (Month)						60 months
Lessee, Operating Lease, Discount Rate						14.08%
Operating Lease, Right-of-Use Asset						$ 523,890
Hydrotreating Equipment Lease [Member]
Lessee, Operating Lease, Monthly Rent Expense					$ 6,178
Operating Lease, Expense		6,178
Lessee, Operating Lease, Term of Contract (Month)					5 years
Lessee, Operating Lease, Discount Rate					2.12%
Operating Lease, Weighted Average Remaining Lease Term (Year)					3 years 3 months 18 days
Operating Lease, Right-of-Use Asset					$ 238,379
Property at 700 Lake Avenue [Member]
Operating Lease, Expense		14,908	$ 14,908
Property at 600 Lake Avenue [Member]
Lessee, Operating Lease, Monthly Rent Expense									$ 30,000
Operating Lease, Expense		215,254
Operating Lease, Right-of-use Asset, Increase (Decrease)	$ (73,792)
Operating Lease, Lease Liability, Increase (Decrease)	$ (73,792)
Property at 800 Lake Avenue [Member]
Lessee, Operating Lease, Monthly Rent Expense								$ 5,000
Operating Lease, Expense		14,212
Operating Lease, Right-of-use Asset, Increase (Decrease)		(28,116)
Operating Lease, Lease Liability, Increase (Decrease)		$ (28,116)

X

- Definition

Amount of finance lease expense.

+ References

No definition available.

+ Details

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

X

- Definition

Amount of monthly rent expense for a finance lease.

+ References

No definition available.

+ Details

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Namespace Prefix:	lode_
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Balance Type:	credit
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X

- Definition

Amount of monthly rent expense.

+ References

No definition available.

+ Details

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X

- Definition

Amount of increase or decrease in lease liability under operating lease.

+ References

No definition available.

+ Details

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Namespace Prefix:	lode_
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X

- Definition

Amount of increase or decrease in right of use assets under operating lease.

+ References

No definition available.

+ Details

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Namespace Prefix:	lode_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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X

- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-6

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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X

- Definition

Amount, after accumulated amortization, of right-of-use asset from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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X

- Definition

Discount rate used by lessee to determine present value of finance lease payments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

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X

- Definition

Term of lessee's finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
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- Definition

Discount rate used by lessee to determine present value of operating lease payments.

+ References

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- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Section 50
-Paragraph 3
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

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X

- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-4

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X

- Definition

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+ References

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-Paragraph 1
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X

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

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-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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X

- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 53
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479589/842-20-55-53

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