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Intangible Assets Intangible Assets | 3 Months Ended
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Apr. 02, 2016
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets | Intangible Assets Intangible assets, net, consist of the following (in thousands):
| April 2, 2016 |  | January 2, 2016
Patents | $ | 18,633 |  |  | $ | 21,619 |
Customer relationships | 7,669 |  |  | 7,669 |
Licenses(1) | 7,500 |  |  | — |
Acquired technology | 5,580 |  |  | 5,580 |
Trademarks | 3,704 |  |  | 3,944 |
Capitalized software development costs | 2,539 |  |  | 2,539 |
Other | 2,535 |  |  | 2,541 |
Total intangible assets | 48,160 |  |  | 43,892 |
Accumulated amortization | (19,334 | ) |  | (16,336 | )
Intangible assets, net | $ | 28,826 |  |  | $ | 27,556 |
(1) | As a result of the deconsolidation of our prior VIE, Cercacor, $7.5 million of licenses that were previously eliminated in consolidation are now included as part of the Company’s intangible assets at April 2, 2016.
Total amortization expense for the three months ended April 2, 2016 and April 4, 2015 was $0.9 million and $1.2 million, respectively. All of these intangible assets have a 10 year weighted average amortization period. Estimated amortization expense for future fiscal years is as follows (in thousands):
Fiscal year | Amount
2016 (balance of year) | $ | 4,125 |
2017 | 3,865 |
2018 | 3,656 |
2019 | 3,272 |
2020 | 3,019 |
Thereafter | 10,889 |
Total | $ | 28,826 |

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -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 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275 + Details
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