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Note 4 - Accounts Receivable (Details) (B&M [Member], USD $) In Millions, unless otherwise specified | Jan. 03, 2015
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Note 4 - Accounts Receivable (Details) [Line Items] |
Contract Receivable | $ 12.2 us-gaap_AccountsReceivableBilledForLongTermContractsOrPrograms
Disputed Purchase Order [Member] |
Note 4 - Accounts Receivable (Details) [Line Items] |
Contract Receivable | $ 4.9 us-gaap_AccountsReceivableBilledForLongTermContractsOrPrograms / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = rcmt_DisputedPurchaseOrderMember / us-gaap_CounterpartyNameAxis = rcmt_BMMember

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Balance Type: | na
Period Type: | duration

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- Definition Amount billed to customers under long-term contracts or programs but not paid. Excludes amounts due that have been withheld because of retainage provisions in a contract. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 910 -SubTopic 310 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6471494&loc=d3e49354-109356 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3(c)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Subparagraph c -Article 5 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | debit
Period Type: | instant

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Balance Type: |
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