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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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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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