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

EBP, participant contribution, pretax, maximum annual compensation, amount for sixty years to sixty three years.

No definition available.

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Namespace Prefix:	rmcf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Employee benefit plan, employer matching contribution amount.

No definition available.

Name:	rmcf_EmployeeBenefitPlanEmployerMatchingContributionAmount
Namespace Prefix:	rmcf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Employee benefit plan minimum service days eligible to participate.

No definition available.

Name:	rmcf_EmployeeBenefitPlanMinimumServiceDaysEligibleToParticipate
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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Employee Benefit Plan, Notes Receivable From Participants Loan maturing year and month.

No definition available.

Name:	rmcf_EmployeeBenefitPlanNotesReceivableFromParticipantsLoanMaturingYearAndMonth
Namespace Prefix:	rmcf_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

Employee benefit plan, notes receivable from participants loan maturity term.

No definition available.

Name:	rmcf_EmployeeBenefitPlanNotesReceivableFromParticipantsLoanMaturityTerm
Namespace Prefix:	rmcf_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Employee benefit plan, notes receivable from participants loan repayment period.

No definition available.

Name:	rmcf_EmployeeBenefitPlanNotesReceivableFromParticipantsLoanRepaymentPeriod
Namespace Prefix:	rmcf_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Employee benefit plan number of years of service in vesting of employee contribution.

No definition available.

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Employee benefit plan participant contribution annual automatic increase in deferral rate.

No definition available.

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Data Type:	dtr-types:percentItemType
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Period Type:	duration

Employee benefit plan participant contribution maximum automatic increase in deferral rate.

No definition available.

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Namespace Prefix:	rmcf_
Data Type:	dtr-types:percentItemType
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Employee benefit plans minimum service hours per year.

No definition available.

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Data Type:	xbrli:durationItemType
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Period Type:	duration

Employee benefit plans vested percentage.

No definition available.

Name:	rmcf_EmployeeBenefitPlansVestedPercentage
Namespace Prefix:	rmcf_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Indicates (true false) whether administration cost was absorbed by employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

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Data Type:	xbrli:booleanItemType
Balance Type:	na
Period Type:	duration

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.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

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Data Type:	xbrli:stringItemType
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Period Type:	duration

Percentage of employer matching contribution on eligible participant contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

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Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Percentage of participant compensation eligible for employer matching contribution for participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

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Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Amount of excess contribution payable to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478873/962-325-55-17

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule II))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477063/962-205-45-4

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

Amount of plan asset, in forfeited nonvested account, no longer allocated to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

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Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of decrease in forfeited nonvested account of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) from employer contribution.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478873/962-325-55-17

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (j)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-04(5)(c))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

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Data Type:	xbrli:monetaryItemType
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Amount of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow.

Name:	us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Percentage of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow to total participant account balance.

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Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

Percentage of eligible compensation contributed for participant automatically enrolled in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

Name:	us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate
Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Amount of maximum pretax annual compensation that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), is permitted to contribute.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

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Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Interest rate on participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)(i)(D)
-Publisher DOL-EBSA

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule I))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Name:	us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate
Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Name:	dei_LegalEntityAxis=rmcf_EBP001Member
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	rmcf_EmployeeBenefitPlansVestingAxis=rmcf_EmployeeBenefitPlanTrancheOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	rmcf_EmployeeBenefitPlansVestingAxis=rmcf_EmployeeBenefitPlanTrancheTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	rmcf_EmployeeBenefitPlansVestingAxis=rmcf_EmployeeBenefitPlanTrancheThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
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