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Note 19 - Commitments (Details) (USD $) | 12 Months Ended | 0 Months Ended
--- | --- | ---
Jan. 03, 2015 | Dec. 28, 2013 | Feb. 28, 2014
Note 19 - Commitments (Details) [Line Items] |  |  |
Operating Leases, Rent Expense | $ 2,837,000 us-gaap_LeaseAndRentalExpense | $ 2,896,000 us-gaap_LeaseAndRentalExpense |
Operating Leases, Income Statement, Sublease Revenue | 246,000 us-gaap_OperatingLeasesIncomeStatementSubleaseRevenue | 203,000 us-gaap_OperatingLeasesIncomeStatementSubleaseRevenue |
President and Chief Executive Officer [Member] |  |  |
Note 19 - Commitments (Details) [Line Items] |  |  |
Cash Severance Payment |  |  | $ 2,700,000 rcmt_CashSeverancePayment / us-gaap_TitleOfIndividualAxis = rcmt_PresidentAndChiefExecutiveOfficeMember

X
- Definition Represents severance payment made in connection with employee retirement. + References No definition available. + Details
Name: | rcmt_CashSeverancePayment
Namespace Prefix: | rcmt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | rcmt_Note19CommitmentsDetailsLineItems
Namespace Prefix: | rcmt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
Name: | us-gaap_LeaseAndRentalExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of revenue recognized for the period under subleasing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 55 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6584307&loc=d3e41620-112719 + Details
Name: | us-gaap_OperatingLeasesIncomeStatementSubleaseRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_TitleOfIndividualAxis=rcmt_PresidentAndChiefExecutiveOfficeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |