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Note 6 - Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Cost Basis | $ 25,078 | $ 25,078
Accumulated Amortization | (16,249) | (16,083)
Accumulated Impairment Charges | (7,592) | (7,592)
Intangible assets, net | $ 1,237 | $ 1,403
Remaining Average Amortization Period (Year) | 2 years 2 months 12 days | 2 years 6 months
Customer Relationships [Member] |  |
Cost Basis | $ 15,979 | $ 15,979
Accumulated Amortization | (8,169) | (8,103)
Accumulated Impairment Charges | (7,592) | (7,592)
Intangible assets, net | $ 218 | $ 284
Remaining Average Amortization Period (Year) | 9 months 18 days | 1 year 1 month 6 days
Trade Names [Member] |  |
Cost Basis | $ 9,099 | $ 9,099
Accumulated Amortization | (8,080) | (7,980)
Accumulated Impairment Charges | 0 | 0
Intangible assets, net | $ 1,019 | $ 1,119
Remaining Average Amortization Period (Year) | 2 years 6 months | 2 years 9 months 18 days

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