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Note 14 - Segment Information (Details) - Total Assets by Geographic Area (USD $) In Thousands, unless otherwise specified | Jan. 03, 2015 | Dec. 28, 2013
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Total Assets |  |
Total Assets | $ 87,273 us-gaap_Assets | $ 86,524 us-gaap_Assets
United States [Member] |  |
Total Assets |  |
Total Assets | 56,764 us-gaap_Assets / us-gaap_StatementGeographicalAxis = rcmt_UnitedStatesMember | 62,198 us-gaap_Assets / us-gaap_StatementGeographicalAxis = rcmt_UnitedStatesMember
Canada [Member] |  |
Total Assets |  |
Total Assets | 28,776 us-gaap_Assets / us-gaap_StatementGeographicalAxis = rcmt_CanadaMember | 22,993 us-gaap_Assets / us-gaap_StatementGeographicalAxis = rcmt_CanadaMember
Puerto Rico [Member] |  |
Total Assets |  |
Total Assets | $ 1,733 us-gaap_Assets / us-gaap_StatementGeographicalAxis = rcmt_PuertoRicoMember | $ 1,333 us-gaap_Assets / us-gaap_StatementGeographicalAxis = rcmt_PuertoRicoMember

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.18) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -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 03 -Paragraph 12 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 18 -Article 5 + Details
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