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Amortizable Intangible Assets (Tables) | 9 Months Ended
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Oct. 03, 2014
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Finite-Lived Intangible Assets [Table Text Block] | Amortizable intangible assets consisted of the following (in thousands):
|  | October 3, 2014 |  | January 3, 2014 |
|  | Gross Carrying Amount |  | Accumulated Amortization |  | Net |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net |
Amortized intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Patents and licenses |  | $ | 10,617 |  | $ | (10,213) |  | $ | 404 |  | $ | 10,637 |  | $ | (10,057) |  | $ | 580 |
Customer relationships |  |  | 1,443 |  |  | (974) |  |  | 469 |  |  | 1,490 |  |  | (894) |  |  | 596 |
Developed technology |  |  | 917 |  |  | (757) |  |  | 160 |  |  | 947 |  |  | (743) |  |  | 204 |
Total |  | $ | 12,977 |  | $ | (11,944) |  | $ | 1,033 |  | $ | 13,074 |  | $ | (11,694) |  | $ | 1,380 |

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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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