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Long-lived Intangible Assets, Net (Tables) | 3 Months Ended
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Apr. 03, 2015
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Finite-Lived Intangible Assets [Table Text Block] | Long-lived intangible assets, net consisted of the following (in thousands):
|  | April 3, 2015 |  | January 2, 2015 |
|  | Gross Carrying Amount |  | Accumulated Amortization |  | Net |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net |
Long-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Patents and licenses |  | $ | 9,209 |  |  | (8,868) |  | $ | 341 |  | $ | 9,205 |  | $ | (8,859) |  | $ | 346 |
Customer relationships |  |  | 1,310 |  |  | (950) |  |  | 360 |  |  | 1,302 |  |  | (911) |  |  | 391 |
Developed technology |  |  | 833 |  |  | (710) |  |  | 123 |  |  | 827 |  |  | (694) |  |  | 133 |
Total |  | $ | 11,352 |  | $ | (10,528) |  | $ | 824 |  | $ | 11,334 |  | $ | (10,464) |  | $ | 870 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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