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Note 7 - Goodwill - Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 30, 2017 | Dec. 31, 2016
Balance | $ 12,325 | $ 11,630
Balance | 11,685 | 12,325
Goodwill impairment | (3,478) | 0
Allied Health Professionals, LLC [Member] |  |
Goodwill recorded, acquisition |  | 695
RAF Services, Inc [Member] |  |
Goodwill recorded, acquisition | 133 |
PSR Engineering Solutions d.o.o. Beograd (Voždovac) [Member] |  |
Goodwill recorded, acquisition | 2,705 |
Engineering [Member] |  |
Balance | 4,411 | 4,411
Balance | 7,249 | 4,411
Goodwill impairment |  |
Engineering [Member] | Allied Health Professionals, LLC [Member] |  |
Goodwill recorded, acquisition |  |
Engineering [Member] | RAF Services, Inc [Member] |  |
Goodwill recorded, acquisition | 133 |
Engineering [Member] | PSR Engineering Solutions d.o.o. Beograd (Voždovac) [Member] |  |
Goodwill recorded, acquisition | 2,705 |
Specialty Health Care [Member] |  |
Balance | 2,398 | 1,703
Balance | 2,398 | 2,398
Goodwill impairment |  |
Specialty Health Care [Member] | Allied Health Professionals, LLC [Member] |  |
Goodwill recorded, acquisition |  | 695
Specialty Health Care [Member] | RAF Services, Inc [Member] |  |
Goodwill recorded, acquisition |  |
Specialty Health Care [Member] | PSR Engineering Solutions d.o.o. Beograd (Voždovac) [Member] |  |
Goodwill recorded, acquisition |  |
Information Technology [Member] |  |
Balance | 5,516 | 5,516
Balance | 2,038 | 5,516
Goodwill impairment | (3,478) |
Information Technology [Member] | Allied Health Professionals, LLC [Member] |  |
Goodwill recorded, acquisition |  |
Information Technology [Member] | RAF Services, Inc [Member] |  |
Goodwill recorded, acquisition |  |
Information Technology [Member] | PSR Engineering Solutions d.o.o. Beograd (Voždovac) [Member] |  |
Goodwill recorded, acquisition |  |

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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 -Subparagraph (a) -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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 + 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 (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Amount of loss from the write-down of an asset representing the 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 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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