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Intangible Assets, Net (Tables) | 12 Months Ended
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Jan. 03, 2020
Goodwill And Intangible Assets Disclosure [Abstract] |
Schedule of Finite-Lived Intangible Assets | Intangible assets, net consisted of the following at January 1, 2021 and January 3, 2020 (in thousands):
|  | 2020 |  |  | 2019 |
Long-lived amortized intangible assets |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net |
Patents and licenses |  | $ | 9,382 |  |  | $ | (9,112 | ) |  | $ | 270 |  |  | $ | 9,353 |  |  | $ | (9,057 | ) |  | $ | 296 |
Finite-lived Intangible Assets Amortization Expense | Amortization expense for intangible assets were as follows (in thousands):
|  | Years Ended |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Amortization expense |  | $ | 35 |  |  | $ | 34 |  |  | $ | 34 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense | Future amortization of intangible assets is as follows (in thousands):
Year Ended |  | Amount |
2021 |  | $ | 36 |
2022 |  |  | 36 |
2023 |  |  | 36 |
2024 |  |  | 36 |
2025 |  |  | 36 |
Thereafter |  |  | 90 |
Total |  | $ | 270 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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