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Note 6 - Goodwill and Intangible Assets - Summary of Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Amortizing intangible assets	$ 14,134	$ 14,134
Accumulated amortization	(13,001)	(12,709)
Other intangible assets, net	2,324	2,616
Customer Relationships [Member]
Amortizing intangible assets	9,772	9,772
Technology-Based Intangible Assets [Member]
Amortizing intangible assets	2,790	2,790
Trade Names [Member]
Amortizing intangible assets	1,572	1,572
Trade Names 1 [Member]
Indefinite trade name	$ 1,191	$ 1,191

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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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