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Intangible Assets, Net and Goodwill (Tables) | 3 Months Ended
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Mar. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Summary Of Identifiable Intangible Assets | The following table summarizes the Company's identifiable intangible assets (in thousands):
| March 31, 2018 |  | December 31, 2017 |  | March 31, 2017
Intangible assets subject to amortization: |  |  |  |  |
Patents and purchased technology | $ | 14,198 |  |  | $ | 14,198 |  |  | $ | 14,198 |
Customer relationships | 23,000 |  |  | 23,000 |  |  | 23,000 |
Gross carrying amount | 37,198 |  |  | 37,198 |  |  | 37,198 |
Accumulated amortization: |  |  |  |  |
Patents and purchased technology | (10,984 | ) |  | (10,651 | ) |  | (9,654 | )
Customer relationships | (12,825 | ) |  | (12,413 | ) |  | (10,814 | )
Total accumulated amortization | (23,809 | ) |  | (23,064 | ) |  | (20,468 | )
Net carrying amount | 13,389 |  |  | 14,134 |  |  | 16,730 |
Intangible assets not subject to amortization | 115,421 |  |  | 115,421 |  |  | 115,421 |
Intangible assets, net | $ | 128,810 |  |  | $ | 129,555 |  |  | $ | 132,151 |
Schedule of finite lived intangible assets future amortization expense | Annual amortization expense is estimated to be as follows for the years 2018 through 2022 (in thousands):
2018 | $ | 2,980 |
2019 | 2,980 |
2020 | 2,537 |
2021 | 1,650 |
2022 | 1,650 |

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- Definition Tabular disclosure of amortizable intangibles assets, including the gross carrying amount and accumulated amortization and intangible assets not subject to amortization, excluding goodwill, in total and by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived 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 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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