Name:	rmch_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstandingAndVested
Namespace Prefix:	rmch_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the number of shares outstanding and vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

No definition available.

Name:	rmch_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndVestedNumber
Namespace Prefix:	rmch_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Represents the weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	rmch_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndVestedWeightedAverageRemainingContractualTerms
Namespace Prefix:	rmch_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents information related to number of Board of Directors.

No definition available.

Name:	rmch_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfBoardOfDirectors
Namespace Prefix:	rmch_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Represents the maximum number of warrants (or other type of equity) originally approved (usually by shareholders and Board of Directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. An other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

No definition available.

Name:	rmch_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfWarrantsAuthorized
Namespace Prefix:	rmch_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Represents the outstanding and vested weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

No definition available.

Name:	rmch_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsOutstandingAndVestedWeightedAverageExercisePrice
Namespace Prefix:	rmch_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901