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Note 7 - Goodwill and Intangible Assets, Net - Schedule of Finite-lived Intangible Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Total intangible assets, Gross Carrying Amount | $ 9,632 | $ 9,632
Total intangible assets, Accumulated Amortization | 7,755 | 6,665
Intangible assets, net | $ 1,877 | 2,967
Customer Relationships [Member] | VisiSonics [Member] |  |
Total intangible assets, Weighted Average Amortization Period (Year) | 4 years |
Total intangible assets, Gross Carrying Amount | $ 432 | 432
Total intangible assets, Accumulated Amortization | 180 | 72
Intangible assets, net | $ 252 | 360
Customer Relationships [Member] | Acquisition of Hillcrest Labs [Member] |  |
Total intangible assets, Weighted Average Amortization Period (Year) | 4 years 4 months 24 days |
Total intangible assets, Gross Carrying Amount | $ 3,518 | 3,518
Total intangible assets, Accumulated Amortization | 3,351 | 3,190
Intangible assets, net | $ 167 | 328
Technology-Based Intangible Assets [Member] | VisiSonics [Member] |  |
Total intangible assets, Weighted Average Amortization Period (Year) | 5 years |
Total intangible assets, Gross Carrying Amount | $ 1,174 | 1,174
Total intangible assets, Accumulated Amortization | 391 | 157
Intangible assets, net | $ 783 | 1,017
Customer Backlog [Member] | Acquisition of Hillcrest Labs [Member] |  |
Total intangible assets, Weighted Average Amortization Period (Year) | 6 months |
Total intangible assets, Gross Carrying Amount | $ 72 | 72
Total intangible assets, Accumulated Amortization | 72 | 72
Intangible assets, net | $ 0 | 0
Research and Development Tools [Member] | Acquisition of Hillcrest Labs [Member] |  |
Total intangible assets, Weighted Average Amortization Period (Year) | 7 years 6 months |
Total intangible assets, Gross Carrying Amount | $ 2,475 | 2,475
Total intangible assets, Accumulated Amortization | 1,800 | 1,470
Intangible assets, net | $ 675 | 1,005
NB-IoT technologies [Member] |  |
Total intangible assets, Weighted Average Amortization Period (Year) | 7 years |
Total intangible assets, Gross Carrying Amount | $ 1,961 | 1,961
Total intangible assets, Accumulated Amortization | 1,961 | 1,704
Intangible assets, net | $ 0 | $ 257

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