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Note 3 - Acquisition - Purchase Price Allocation (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | May 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Goodwill | $ 58,308 |  | $ 56,794
VisiSonics [Member] |  |  |
Goodwill |  | $ 1,994 |
Total assets |  | 3,600 |
VisiSonics [Member] | Technology-Based Intangible Assets [Member] |  |  |
Acquired intangible assets |  | 1,174 |
VisiSonics [Member] | Customer Relationships [Member] |  |  |
Acquired intangible assets |  | $ 432 |

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