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Note 5 - Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Intangible assets, net | $ 27,877 | $ 16,596
Finite-lived, Gross Carrying Amount | 32,397 | 20,801
Finite-lived, Accumulated Amortization | 15,019 | 12,603
Net Carrying Amount, finite-lived | 17,378 | 8,198
Indefinite-lived, Gross Carrying Amount | 10,499 | 8,398
Net Carrying Amount, indefinite-lived | 10,499 | 8,398
Intangible Assets, Gross Carrying Amount | 42,896 | 29,199
Total intangible assets | 15,019 | 12,603
Total intangible assets | 27,877 | 16,596
Trademarks [Member] |  |
Indefinite-lived, Gross Carrying Amount | 10,499 | 8,398
Net Carrying Amount, indefinite-lived | 10,499 | 8,398
Customer Relationships [Member] |  |
Finite-lived, Gross Carrying Amount | 23,908 | 16,407
Finite-lived, Accumulated Amortization | 11,061 | 9,687
Net Carrying Amount, finite-lived | 12,847 | 6,720
Total intangible assets | 11,061 | 9,687
Patented Technology [Member] |  |
Finite-lived, Gross Carrying Amount | 5,877 | 2,895
Finite-lived, Accumulated Amortization | 1,863 | 1,417
Net Carrying Amount, finite-lived | 4,014 | 1,478
Total intangible assets | 1,863 | 1,417
Patents [Member] |  |
Finite-lived, Gross Carrying Amount | 590 | 590
Finite-lived, Accumulated Amortization | 590 | 590
Net Carrying Amount, finite-lived | 0 | 0
Total intangible assets | 590 | 590
Customer Backlog [Member] |  |
Finite-lived, Gross Carrying Amount | 1,612 | 499
Finite-lived, Accumulated Amortization | 1,095 | 499
Net Carrying Amount, finite-lived | 517 | 0
Total intangible assets | 1,095 | 499
Computer Software, Intangible Asset [Member] |  |
Finite-lived, Gross Carrying Amount | 270 | 270
Finite-lived, Accumulated Amortization | 270 | 270
Net Carrying Amount, finite-lived | 0 | 0
Total intangible assets | 270 | 270
Trade Names [Member] |  |
Finite-lived, Gross Carrying Amount | 140 | 140
Finite-lived, Accumulated Amortization | 140 | 140
Net Carrying Amount, finite-lived | 0 | 0
Total intangible assets | 140 | 140
Electronic Test [Member] |  |
Intangible assets, net | 16,124 | 3,728
Total intangible assets | 16,124 | 3,728
Environmental Technologies [Member] |  |
Intangible assets, net | 778 | 794
Total intangible assets | 778 | 794
Process Technologies [Member] |  |
Intangible assets, net | 10,975 | 12,074
Total intangible assets | $ 10,975 | $ 12,074

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