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Intangible Assets | 12 Months Ended
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Dec. 28, 2013
Intangible Assets | 8. Intangible Assets The components of the Company’s purchased intangible assets as of December 28, 2013 are as follows (in thousands):
|  | Useful Lives |  | FY 2013 Annual Amortization |  |  | Gross Carrying Value |  |  | Accumulated Amortization |  |  | Net Carrying Value |  |  | Useful Lives Remaining
Customer relations |  | 15 Years |  | $ | 16 |  |  | $ | 240 |  |  | $ | 60 |  |  | $ | 180 |  |  | 11.4 Years
Patents |  | Varies |  |  | 210 |  |  |  | 720 |  |  |  | 572 |  |  |  | 148 |  |  | Varies
|  |  |  | $ | 226 |  |  | $ | 960 |  |  | $ | 632 |  |  | $ | 328 |  |  |
The components of the Company’s purchased intangible assets as of December 29, 2012 are as follows (in thousands):
|  | Useful Lives |  | FY 2012 Annual Amortization |  |  | Gross Carrying Value |  |  | Accumulated Amortization |  |  | Net Carrying Value |  |  | Useful Lives Remaining
Customer relations |  | 15 Years |  | $ | 16 |  |  | $ | 240 |  |  | $ | 44 |  |  | $ | 196 |  |  | 12.4 Years
Patents |  | Varies |  |  | 175 |  |  |  | 720 |  |  |  | 362 |  |  |  | 358 |  |  | Varies
|  |  |  | $ | 191 |  |  | $ | 960 |  |  | $ | 406 |  |  | $ | 554 |  |  |
Aggregate amortization expense for the fiscal years 2013 and 2012 were $226 thousand and $191 thousand, respectively. The amortization of Customer Relations was charged to sales and marketing expense and the amortization of Patents was charged to cost of revenues. Estimated future amortization expense for purchased intangible assets is as follows (in thousands):
Fiscal Year: |  |  |  |
2014 |  | $ | 58 |
2015 |  |  | 52 |
2016 |  |  | 86 |
2017 |  |  | 16 |
2018 |  |  | 16 |
Thereafter |  |  | 100 |
Total |  | $ | 328 |

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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 2 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 Reference 2: 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 Reference 3: 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 + Details
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