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Note 7 - Intangible Assets, Including Goodwill - Intangible Assets (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Finite-Lived Intangible Assets, Gross | $ 37,648 | $ 35,151
Finite-Lived Intangible Assets, Accumulated Amortization | 13,673 | 11,399
Net book value of amortizable intangible assets | 23,975 | 23,752
Technology-Based Intangible Assets [Member] |  |
Finite-Lived Intangible Assets, Gross | 9,765 | 9,765
Finite-Lived Intangible Assets, Accumulated Amortization | 4,929 | 4,354
Purchased and Developed Software [Member] |  |
Finite-Lived Intangible Assets, Gross | 5,635 | 4,682
Finite-Lived Intangible Assets, Accumulated Amortization | 3,948 | 3,375
In-process Internally Developed Software Platform [Member] |  |
Finite-Lived Intangible Assets, Gross | 5,618 | 4,074
Finite-Lived Intangible Assets, Accumulated Amortization | 0 | 0
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets, Gross | 15,000 | 15,000
Finite-Lived Intangible Assets, Accumulated Amortization | 3,820 | 2,849
Trademarks and Trade Names [Member] |  |
Finite-Lived Intangible Assets, Gross | 1,600 | 1,600
Finite-Lived Intangible Assets, Accumulated Amortization | 952 | 808
Noncompete Agreements [Member] |  |
Finite-Lived Intangible Assets, Gross | 30 | 30
Finite-Lived Intangible Assets, Accumulated Amortization | $ 24 | $ 13

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