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Note 8 - Intangible Assets | 9 Months Ended
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Sep. 30, 2023
Notes to Financial Statements |
Intangible Assets Disclosure [Text Block] | Note 8 - Intangible Assets In connection with our acquisition of Mirametrix, Inc. in November 2021, we recorded identifiable intangible assets during fiscal year 2021. On our Consolidated Balance Sheets at September 30, 2023 and December 31, 2022, Intangible assets, net are shown net of accumulated amortization of $143.7 million and $140.3 million, respectively. Additionally, we enter into license agreements for third-party technology and record them as intangible assets. These licenses are being amortized to Research and development expense over their estimated useful lives. We recorded amortization expense related to intangible assets on the Consolidated Statements of Operations as presented in the following table:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | October 1, |  |  | September 30, |  |  | October 1, |
(In thousands) |  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Research and development |  | $ | 277 |  |  | $ | 264 |  |  | $ | 818 |  |  | $ | 789 |
Amortization of acquired intangible assets |  |  | 870 |  |  |  | 869 |  |  |  | 2,609 |  |  |  | 2,908 |
|  | $ | 1,147 |  |  | $ | 1,133 |  |  | $ | 3,427 |  |  | $ | 3,697 |

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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/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//350-30/tableOfContent + Details
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