Annual Lease Payment.

No definition available.

Name:	lode_AnnualLeasePayment
Namespace Prefix:	lode_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Long Term Purchase Commitment, Amount Of Annual Increase.

+ References

No definition available.

+ Details

Name:	lode_LongTermPurchaseCommitmentAmountOfAnnualIncrease
Namespace Prefix:	lode_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Long Term Purchase Commitment, Amount Of Annual Increase, Thereafter

+ References

No definition available.

+ Details

Name:	lode_LongTermPurchaseCommitmentAmountOfAnnualIncreaseThereafter
Namespace Prefix:	lode_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Long-term Purchase Commitment, Specified Form of Payment, Cash

+ References

No definition available.

+ Details

Name:	lode_LongtermPurchaseCommitmentSpecifiedFormofPaymentCash
Namespace Prefix:	lode_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Long-term Purchase Commitment, Specified Form of Payment, Shares

+ References

No definition available.

+ Details

Name:	lode_LongtermPurchaseCommitmentSpecifiedFormofPaymentShares
Namespace Prefix:	lode_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Net Smelter Return Royalty, Percentage

+ References

No definition available.

+ Details

Name:	lode_NetSmelterReturnRoyaltyPercentage
Namespace Prefix:	lode_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Royalty expense incurred and are directly related to goods produced and sold and services rendered during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2(a),(d))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

Name:	us-gaap_DirectOperatingCostRoyaltyExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.10)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_EscrowDeposit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermPurchaseCommitmentAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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

- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717

+ Details

Name:	us-gaap_OperatingLeasesRentExpenseNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=lode_MiningandProcessOperationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=lode_MiningClaimsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=lode_RoyaltyAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=lode_SeriesAOnePreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Commitments and Contingencies (Narrative) (Details) (USD $)	0 Months Ended	12 Months Ended			0 Months Ended
	Oct. 30, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Sep. 29, 2014	Oct. 27, 2014
Loss Contingencies [Line Items]
Rent expense		$ 1,961,817us-gaap_OperatingLeasesRentExpenseNet	$ 2,411,767us-gaap_OperatingLeasesRentExpenseNet	$ 2,010,547us-gaap_OperatingLeasesRentExpenseNet
Minimum payments under commitment	400,000
Escrow deposit	20,000us-gaap_EscrowDeposit
Royalty Agreement
Loss Contingencies [Line Items]
Minimum payments under commitment			85,400
Amount of annual increase in payments		5,000
Amount of annual increase in payments, thereafter		2,000
Royalties expensed		1,018,836	760,583	177,379
Mining Claims
Loss Contingencies [Line Items]
Minimum payments under commitment					50,000
Specified form of payment, cash					20,500
Specified form of payment, shares					30,000
Mining and Process Operation
Loss Contingencies [Line Items]
Escrow deposit						20,000
7.5% Series A-1 Convertible Preferred Stock
Loss Contingencies [Line Items]
Stock issued for related party leases		$ 862,500
Minimum \| Royalty Agreement
Loss Contingencies [Line Items]
Percentage of royalty obligations		0.50%
Maximum \| Royalty Agreement
Loss Contingencies [Line Items]
Percentage of royalty obligations		6.00%