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Note 13 - Stock-based Compensation (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 9,077,000  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) 3 years  
Salaries, Wages, and Benefits [Member]    
Share-Based Payment Arrangement, Expense $ 1,027,000 $ 793,000