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Intangible Assets | 6 Months Ended
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Jun. 29, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets Disclosure [Text Block] | Note 5 –Intangible Assets Intangible assets, net consisted of the following (in thousands):
|  | June 29, 2018 |  |  | December 29, 2017 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net |
Long-lived amortized intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Patents and licenses |  | $ | 9,255 |  |  | $ | (8,996 | ) |  | $ | 259 |  |  | $ | 9,244 |  |  | $ | (8,973 | ) |  | $ | 271 |
Customer relationships |  |  | 1,417 |  |  |  | (1,417 | ) |  |  | — |  |  |  | 1,392 |  |  |  | (1,392 | ) |  |  | — |
Developed technology |  |  | 900 |  |  |  | (900 | ) |  |  | — |  |  |  | 885 |  |  |  | (885 | ) |  |  | — |
Total |  | $ | 11,572 |  |  | $ | (11,313 | ) |  | $ | 259 |  |  | $ | 11,521 |  |  | $ | (11,250 | ) |  | $ | 271 |

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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