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.

No definition available.

+ Details

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

- Definition

Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section H

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

+ Details

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

- Definition

Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

+ References

+ Details

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

- Definition

Amount of long-term debt and capital lease obligations including current maturities.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_DebtInstrumentAxis=lode_NotePayableAurametFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=lode_NotePayableCaterpillarEquipmentFacility1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=lode_NotePayableVTMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=lode_NotePayableDaneyRanchPropertyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=lode_NotePayableDaytonPropertyGoldenGooseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=lode_NotePayableDonovanPropertyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=lode_NotePayableGoldHillHotelMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=lode_NotePayableWhiteHouseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=lode_NotesPayableOtherMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=lode_VarileaseCapitalLeaseObligationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_CapitalLeaseObligationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=lode_OtherCapitalLeaseObligationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Long-Term Debt and Capital Lease Obligations (Schedule of Long-Term Debt) (Details) - USD ($)	Sep. 30, 2015	May. 12, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Subtotal	$ 15,816,568		$ 11,598,483
Less current portion	(9,792,093)		(5,897,219)
Long-term portion of long-term debt and capital lease obligations	6,024,475		5,701,264
Note Payable (Auramet Facility)
Debt Instrument [Line Items]
Subtotal	2,800,000		1,071,427
Note Payable (Caterpillar Equipment)
Debt Instrument [Line Items]
Subtotal	2,889,894		3,968,019
Note Payable (V&T)
Debt Instrument [Line Items]
Subtotal	1,000,000		0
Note Payable (Daney Ranch Property)
Debt Instrument [Line Items]
Subtotal	849,230		0
Note Payable (Dayton Resource Area)
Debt Instrument [Line Items]
Subtotal	494,795		1,953,784
Note Payable (Donovan Property)
Debt Instrument [Line Items]
Subtotal	442,450		574,141
Note Payable (Gold Hill Hotel)
Debt Instrument [Line Items]
Subtotal	264,024		278,254
Note Payable (White House)
Debt Instrument [Line Items]
Subtotal	282,526		286,595
Notes Payable - Other
Debt Instrument [Line Items]
Subtotal	394,848		549,466
Lease Obligation (Varilease) \| Capital Lease Obligations
Debt Instrument [Line Items]
Subtotal	3,925,167	$ 5,000,000	0
Capital Lease Obligations \| Capital Lease Obligations
Debt Instrument [Line Items]
Subtotal	$ 2,473,634		$ 2,916,797