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Note 6 - Acquisitions (Details) - Contingent Consideration (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 28, 2013 | Dec. 29, 2012
Business Acquisition, Contingent Consideration [Line Items] |  |
Contingent consideration balance | $ 1,022 |
Liability reduced in current year | (92) | (135)
Contingent consideration balance | 930 | 1,022
Short Term [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Contingent consideration balance | 309 |
Liability reduced in current year | (92) |
Moved from long term to short term | 306 |
Contingent consideration balance | 523 |
Long Term [Member] |  |
Business Acquisition, Contingent Consideration [Line Items] |  |
Contingent consideration balance | 713 |
Moved from long term to short term | (306) |
Contingent consideration balance | $ 407 |

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- Definition Business combination, contingent consideration, moved from long term to short term. + References No definition available. + Details
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- Details
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- Definition Amount of (increase) decrease in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e7008-128479 + Details
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- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph b -URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 + Details
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