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24. Segment Information (Details - Operations) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 30, 2017 | Dec. 31, 2016
Revenues | $ 41,544 | $ 40,459
Gross profit | 13,145 | 12,359
Operating income (loss) | (231) | 1,119
Depreciation and amortization | 2,147 | 959
Interest expense | 894 | 1,168
Net income (loss) before provision for income taxes | (2,925) | (1,814)
Recycling [Member] |  |
Revenues | 41,544 | 40,459
Gross profit | 13,145 | 12,359
Operating income (loss) | 1,300 | 1,119
Depreciation and amortization | 750 | 959
Interest expense | 894 | 1,168
Net income (loss) before provision for income taxes | 5,598 | (40)
Technology [Member] |  |
Revenues | 0 | 0
Gross profit | 0 | 0
Operating income (loss) | (1,531) | 0
Depreciation and amortization | 1,397 | 0
Interest expense | 0 | 0
Net income (loss) before provision for income taxes | $ (1,531) | $ 0

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- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. + References Reference 1: 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 + Details
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