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Note 6 - Acquisitions - Maximum Deferred Consideration Payments (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 29, 2018 | Dec. 30, 2017
December 28, 2019 | $ 1,588 |
January 2, 2021 | 1,461 |
January 1, 2022 | 1,724 |
Estimated future contingent consideration payments | 4,773 |
Balance | 2,091 | $ 1,231
Contingent consideration paid | (300) | (1,694)
Estimated contingent payments, acquisitions | 2,935 | 1,773
Increase to contingent payment estimates |  | 781
Balance | 4,773 | $ 2,091
Other changes in contingent consideration | $ 47 |

X
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- Definition The amount of increases to contingent payment estimates during the period. + References No definition available. + Details
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- Definition Represents estimated future contingent consideration payments. + References No definition available. + Details
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X
- Definition Represents estimated future contingent consideration payments remainder of fiscal year. + References No definition available. + Details
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X
- Definition Represents estimated future contingent consideration payments in year three. + References No definition available. + Details
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- Definition Represents estimated future contingent consideration payments in year two. + References No definition available. + 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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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 3: http://fasb.org/us-gaap/role/ref/legacyRef -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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- Definition Amount of cash outflow, not made soon after acquisition date of business combination, to settle contingent consideration liability up to amount recognized at acquisition date, including, but not limited to, measurement period adjustment and less amount paid soon after acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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