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Note 1 - Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 29, 2018 | Dec. 30, 2017
Revenues | $ 200,352 | $ 186,737
Engineering Services [Member] |  |
Revenues | 86,078 | 82,753
Engineering Services [Member] | Time-and-materials Contract [Member] |  |
Revenues | 71,639 | 71,894
Engineering Services [Member] | Fixed-price Contract [Member] |  |
Revenues | 14,424 | 10,859
Engineering Services [Member] | Permanent Placement Services [Member] |  |
Revenues | 15 |
Health Care [Member] |  |
Revenues | 83,663 | 71,316
Health Care [Member] | Time-and-materials Contract [Member] |  |
Revenues | 82,153 | 69,033
Health Care [Member] | Permanent Placement Services [Member] |  |
Revenues | 1,510 | 2,283
Technology Service [Member] |  |
Revenues | 30,611 | 32,668
Technology Service [Member] | Time-and-materials Contract [Member] |  |
Revenues | 30,361 | 32,320
Technology Service [Member] | Permanent Placement Services [Member] |  |
Revenues | $ 250 | $ 348

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- Definition Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045 + Details
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