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Note 4 - Supplemental Balance Sheet Information - Composition of Intangible Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Intangible assets, cost | $ 38,685 | $ 28,247
Intangible assets, accumulated amortization | 14,128 | 13,140
Intangible assets, net | 24,557 | 15,107
Customer Relationships [Member] |  |
Intangible assets, cost | 18,154 | 13,092
Intangible assets, accumulated amortization | 7,296 | 6,656
Intangible assets, net | 10,858 | 6,436
Trade Names [Member] |  |
Intangible assets, cost | 9,942 | 4,647
Intangible assets, accumulated amortization | 813 | 647
Intangible assets, net | 9,129 | 4,000
Patented Technology [Member] |  |
Intangible assets, cost | 5,690 | 5,606
Intangible assets, accumulated amortization | 5,428 | 5,322
Intangible assets, net | 262 | 284
Trademarks [Member] |  |
Intangible assets, cost | 3,399 | 3,402
Intangible assets, accumulated amortization | 0 | 0
Intangible assets, net | 3,399 | 3,402
Other Intangible Assets [Member] |  |
Intangible assets, cost | 1,500 | 1,500
Intangible assets, accumulated amortization | 591 | 515
Intangible assets, net | $ 909 | $ 985

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