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Note 6 - Debt - Schedule of Debt (Details) - Credit Agreement [Member] - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Interest expense | $ 288 | $ 170 | $ 807 | $ 248
Weighted average interest rate | 9.10% | 6.30% | 8.80% | 5.10%

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