Note 15 - Employee Benefit Plan (Details Textual) - USD ($)	12 Months Ended
Feb. 28, 2021	Feb. 29, 2020	Feb. 28, 2019
Defined Contribution Plan Employers Matching Contribution Vesting Period (Year)	3 years
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	25.00%
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	1.50%
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 62,000	$ 61,000	$ 70,000

Period over which the employers matching contribution vests, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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