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Note 5 - Supplemental Balance Sheet Information - Composition of Intangible Assets (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Cost | $ 39,042 | $ 38,685
Accumulated Amortization | 15,203 | 14,128
Net | 23,839 | 24,557
Customer Relationships [Member] |  |
Cost | 18,383 | 18,154
Accumulated Amortization | 7,913 | 7,296
Net | 10,470 | 10,858
Trade Names [Member] |  |
Cost | 9,976 | 9,942
Accumulated Amortization | 1,078 | 813
Net | 8,898 | 9,129
Patented Technology [Member] |  |
Cost | 5,783 | 5,690
Accumulated Amortization | 5,583 | 5,428
Net | 200 | 262
Trademarks [Member] |  |
Cost | 3,400 | 3,399
Accumulated Amortization | 0 | 0
Net | 3,400 | 3,399
Other Intangible Assets [Member] |  |
Cost | 1,500 | 1,500
Accumulated Amortization | 629 | 591
Net | $ 871 | $ 909

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