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Intangible Assets, Net | 12 Months Ended
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Dec. 28, 2018
Goodwill And Intangible Assets Disclosure [Abstract] |
Intangible Assets, Net | Note 6 — Intangible Assets, Net Intangible assets, net consisted of the following at December 28, 2018 and December 29, 2017 (in thousands):
|  | 2018 |  |  | 2017 |
Long-lived amortized intangible assets |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net |
Patents and licenses |  | $ | 9,257 |  |  | $ | (9,014 | ) |  | $ | 243 |  |  | $ | 9,244 |  |  | $ | (8,973 | ) |  | $ | 271 |
Customer relationships |  |  | 1,420 |  |  |  | (1,420 | ) |  |  | — |  |  |  | 1,392 |  |  |  | (1,392 | ) |  |  | — |
Developed technology |  |  | 902 |  |  |  | (902 | ) |  |  | — |  |  |  | 885 |  |  |  | (885 | ) |  |  | — |
Total intangible assets, net |  | $ | 11,579 |  |  | $ | (11,336 | ) |  | $ | 243 |  |  | $ | 11,521 |  |  | $ | (11,250 | ) |  | $ | 271 |
Amortization expense for intangible assets were as follows (in thousands):
|  | Years Ended |
|  | 2018 |  |  | 2017 |  |  | 2016 |
Amortization expense |  | $ | 34 |  |  | $ | 221 |  |  | $ | 228 |
Note 6 — Intangible Assets, Net (Continued) Future amortization of intangible assets is as follows (in thousands):
Year Ended |  | Amount |
2019 |  | $ | 34 |
2020 |  |  | 34 |
2021 |  |  | 34 |
2022 |  |  | 34 |
2023 |  |  | 34 |
Thereafter |  |  | 73 |
Total |  | $ | 243 |

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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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