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Note 5 - Supplemental Balance Sheet Information - Composition of Intangible Assets (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Cost | $ 38,806 | $ 38,685
Accumulated Amortization | 14,621 | 14,128
Net | 24,185 | 24,557
Customer Relationships [Member] |  |
Cost | 18,231 | 18,154
Accumulated Amortization | 7,580 | 7,296
Net | 10,651 | 10,858
Trade Names [Member] |  |
Cost | 9,954 | 9,942
Accumulated Amortization | 940 | 813
Net | 9,014 | 9,129
Patented Technology [Member] |  |
Cost | 5,722 | 5,690
Accumulated Amortization | 5,491 | 5,428
Net | 231 | 262
Trademarks [Member] |  |
Cost | 3,399 | 3,399
Accumulated Amortization | 0 | 0
Net | 3,399 | 3,399
Other Intangible Assets [Member] |  |
Cost | 1,500 | 1,500
Accumulated Amortization | 610 | 591
Net | $ 890 | $ 909

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