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Note 7 - Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 02, 2016 | Jan. 03, 2015
Engineering [Member] | PCI [Member] |  |
Goodwill recorded, acquisition |  | $ 678
Engineering [Member] | SDS [Member] |  |
Goodwill recorded, acquisition | $ 1,407 |
Engineering [Member] |  |
Balance | 3,004 | 2,326
Balance | $ 4,411 | $ 3,004
Information Technology [Member] | PCI [Member] |  |
Goodwill recorded, acquisition |  |
Information Technology [Member] | SDS [Member] |  |
Goodwill recorded, acquisition |  |
Information Technology [Member] |  |
Balance | $ 5,516 | $ 5,516
Balance | $ 5,516 | $ 5,516
Specialty Health Care [Member] | PCI [Member] |  |
Goodwill recorded, acquisition |  |
Specialty Health Care [Member] | SDS [Member] |  |
Goodwill recorded, acquisition |  |
Specialty Health Care [Member] |  |
Balance | $ 1,703 | $ 1,703
Balance | 1,703 | 1,703
PCI [Member] |  |
Goodwill recorded, acquisition |  | 678
SDS [Member] |  |
Goodwill recorded, acquisition | 1,407 |
Balance | 10,223 | 9,545
Balance | $ 11,630 | $ 10,223

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Details
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