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Note 7 - Intangible Assets - Intangible Assets Activity (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Beginning intangible assets, net $ 938 $ 1,256 $ 1,092 $ 1,429
Amortization (77) (86) (231) (259)
Ending intangible assets, net $ 861 $ 1,170 $ 861 $ 1,170