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Inventories, Net - Schedule of Inventory, Current (Details) - USD ($) $ in Thousands | Dec. 28, 2018 | Dec. 29, 2017
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Inventory Disclosure [Abstract] |  |
Raw materials and purchased parts | $ 2,678 | $ 2,506
Work in process | 2,195 | 1,996
Finished goods | 13,214 | 11,169
Total inventories, gross | 18,087 | 15,671
Less inventory reserves | 1,383 | 2,361
Total inventories, net | $ 16,704 | $ 13,310

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- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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