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Note 13 - Commitments and Contingencies (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Standard Product Warranty Accrual, Period Increase (Decrease) $ 0 $ 0  
Standard Product Warranty Accrual $ 159   $ 159