XML 67 R52.htm IDEA: XBRL DOCUMENT
v3.20.2

Mineral Rights and Properties, Net - Narrative (Details) |  |  |  |  |  |  |  |  |  |  |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2023 USD ($) | Sep. 30, 2021 USD ($) | Nov. 26, 2020 USD ($) | Oct. 29, 2020 USD ($) | Oct. 08, 2020 USD ($) | Sep. 01, 2020 USD ($) | Jul. 09, 2020 USD ($) | Jun. 04, 2020 USD ($) | May 21, 2020 USD ($) miningClaim | May 05, 2020 USD ($) | Feb. 25, 2020 USD ($) miningClaim | Dec. 23, 2019 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of royalty obligations, majority are less than |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.00% |
Monthly lease fee |  |  |  |  |  |  |  |  |  | $ 250 |  |  |  |  |  |
Increased monthly lease fee |  |  |  |  |  |  |  |  |  | $ 1,000 |  |  |  |  |  |
Mining exploration term |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |  |
Minimum payments under commitment |  |  |  |  |  |  |  |  |  |  |  | $ 20,000,000 |  |  |  |
Renewal term of mineral lease |  |  |  |  |  |  |  |  |  | 15 years |  |  |  |  |  |
Mineral lease payments |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,000 | $ 2,250 | $ 11,000 | $ 6,750
Pelen LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  | 25.00% |  |  |  |  |  |  |  |  |  |
Hercules Gold USA LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option to purchase royalties per patented or unpatented claim |  |  |  |  |  |  |  |  |  |  | $ 750 |  |  |  |  |
Subsequent Event | Hercules Gold USA LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option to purchase royalties per patented or unpatented claim |  |  |  | $ 750 |  |  |  |  |  |  |  |  |  |  |  |
Lease Purchase Option, New Daney |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claims purchase price |  |  |  |  |  |  |  |  | $ 100,000 |  |  |  |  |  |  |
Mineral rights, royalty percentage |  |  |  |  |  |  |  |  | 3.00% |  |  |  |  |  |  |
Payments to acquire mineral rights |  |  |  |  |  |  |  | $ 1,000 | $ 10,000 |  |  |  |  |  |  |
Mineral rights, additional monthly payments |  |  |  |  |  |  |  |  | $ 1,000 |  |  |  |  |  |  |
Unpatented mining claims, purchased | miningClaim |  |  |  |  |  |  |  |  | 7 |  |  |  |  |  |  |
Lease Purchase Option, New Daney | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire mineral rights |  |  |  |  | $ 85,000 |  |  |  |  |  |  |  |  |  |  |
Lease Purchase Option, New Daney | Forecast |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire mineral rights |  |  | $ 85,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Amended Lease, Renegade Mineral Holdings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Monthly lease fee |  |  |  |  |  |  | $ 2,250 |  |  |  |  |  |  |  |  |
Increased monthly lease fee |  |  |  |  |  |  | $ 3,000 |  |  |  |  |  |  |  |  |
Mining exploration term |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |
Renewal term of mineral lease |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |
Amended Lease, Renegade Mineral Holdings | Forecast |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum payments under commitment | $ 500,000 | $ 250,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sutro Tunnel Lease |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mining exploration term |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |
Renewal term of mineral lease |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |  |
Rental payment, first five years |  |  |  |  |  | $ 5,000 |  |  |  |  |  |  |  |  |  |
Rental payment, second five years |  |  |  |  |  | 10,000 |  |  |  |  |  |  |  |  |  |
Rental payments, third five years |  |  |  |  |  | 15,000 |  |  |  |  |  |  |  |  |  |
Rental payments, after first fifteen years |  |  |  |  |  | $ 20,000 |  |  |  |  |  |  |  |  |  |
Wild Horses Properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of patented mining claims | miningClaim |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |
Unpatented mining claims, sold | miningClaim |  |  |  |  |  |  |  |  |  |  | 5 |  |  |  |  |
Purchase price |  |  |  |  |  |  |  |  |  |  | $ 100,000 |  |  |  |  |
Percentage of royalty obligations, majority are less than |  |  |  |  |  |  |  |  |  |  | 2.00% |  |  |  |  |

X
- Definition Lessor, Lease, Increase Monthly Fee + References No definition available. + Details
Name: | lode_LessorLeaseIncreaseMonthlyFee
Namespace Prefix: | lode_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Lessor, Lease, Monthly Fee + References No definition available. + Details
Name: | lode_LessorLeaseMonthlyFee
Namespace Prefix: | lode_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Lessor, Mineral Leases, Term Of Contract + References No definition available. + Details
Name: | lode_LessorMineralLeasesTermOfContract
Namespace Prefix: | lode_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lessor, Mineral Leases, Term Of Renewal + References No definition available. + Details
Name: | lode_LessorMineralLeasesTermOfRenewal
Namespace Prefix: | lode_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Mineral Lease, Payments + References No definition available. + Details
Name: | lode_MineralLeasePayments
Namespace Prefix: | lode_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Mineral Lease, Rental Monthly Payment, After Fifteen Years + References No definition available. + Details
Name: | lode_MineralLeaseRentalMonthlyPaymentAfterFifteenYears
Namespace Prefix: | lode_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Mineral Lease, Rental Monthly Payment, Year Eleven To Year Fifteen + References No definition available. + Details
Name: | lode_MineralLeaseRentalMonthlyPaymentYearElevenToYearFifteen
Namespace Prefix: | lode_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Mineral Lease, Rental Monthly Payment, Year One To Year Five + References No definition available. + Details
Name: | lode_MineralLeaseRentalMonthlyPaymentYearOneToYearFive
Namespace Prefix: | lode_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Mineral Lease, Rental Monthly Payment, Year Six To Year Ten + References No definition available. + Details
Name: | lode_MineralLeaseRentalMonthlyPaymentYearSixToYearTen
Namespace Prefix: | lode_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Monthly additional payments made with final payments at the time of closure. + References No definition available. + Details
Name: | lode_MineralRightsAdditionalMonthlyPayments
Namespace Prefix: | lode_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Mineral Rights, Royalty Percentage + References No definition available. + Details
Name: | lode_MineralRightsRoyaltyPercentage
Namespace Prefix: | lode_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number Of Patented, Mining Claims + References No definition available. + Details
Name: | lode_NumberOfPatentedMiningClaims
Namespace Prefix: | lode_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number Of Unpatented Mining Claims, Purchased + References No definition available. + Details
Name: | lode_NumberOfUnpatentedMiningClaimsPurchased
Namespace Prefix: | lode_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number Of Unpatented Mining Claims, Sold + References No definition available. + Details
Name: | lode_NumberOfUnpatentedMiningClaimsSold
Namespace Prefix: | lode_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Option To Purchase Royalties Per Patented Or Unpatented Claim + References No definition available. + Details
Name: | lode_OptionToPurchaseRoyaltiesPerPatentedOrUnpatentedClaim
Namespace Prefix: | lode_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Payments To Acquire Mineral Rights, Including Royalty Fee + References No definition available. + Details
Name: | lode_PaymentsToAcquireMineralRightsIncludingRoyaltyFee
Namespace Prefix: | lode_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Royalty Percentage + References No definition available. + Details
Name: | lode_RoyaltyPercentage
Namespace Prefix: | lode_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

X
- 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

X
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash outflow from the acquisition of a mineral right which is the right to extract a mineral from the earth or to receive payment, in the form of royalty, for the extraction of minerals. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireMineralRights
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_OwnershipAxis=lode_PelenLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=lode_HerculesGoldUSALLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=lode_LeasePurchaseOptionNewDaneyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=lode_AmendedLeaseRenegadeMineralHoldingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=lode_SutroTunnelLeaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=lode_WildHorsesPropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |