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Note 20 - Stock-based Compensation (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
May 17, 2018
Share-Based Payment Arrangement, Option [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term (Year) 6 years 3 months 18 days 6 years 6 months 6 years 6 months  
The 2018 Equity Incentive Plan [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)       1,300,000
Share-Based Payment Arrangement, Expense $ 1,800,000 $ 2,000,000 $ 2,000,000  
Share-Based Payment Arrangement, Expense, Tax Benefit $ 379,000 $ 422,000 $ 414,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expected Contractual Term Forfeiture Rate 3.10%      
The 2018 Equity Incentive Plan [Member] | Share-Based Payment Arrangement, Tranche One [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 1 year      
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term (Year) 5 years 6 months      
The 2018 Equity Incentive Plan [Member] | Share-Based Payment Arrangement, Tranche Three [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 2 years      
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term (Year) 5 years 9 months      
The 2018 Equity Incentive Plan [Member] | Share-Based Payment Arrangement, Tranche Four [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 5 years      
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term (Year) 6 years 6 months      
The 2018 Equity Incentive Plan [Member] | Restricted Stock [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)       326,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares) 38,372      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) 1 year 10 months 24 days      
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount $ 3,100,000      
The 2018 Equity Incentive Plan [Member] | Restricted Stock [Member] | Director [Member] | Minimum [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 1 year      
The 2018 Equity Incentive Plan [Member] | Restricted Stock [Member] | Director [Member] | Maximum [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 2 years      
The 2018 Equity Incentive Plan [Member] | Restricted Stock [Member] | Officers And Employees [Member] | Maximum [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 5 years      
The 2018 Equity Incentive Plan [Member] | Share-Based Payment Arrangement, Option [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares) 190,432      
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) 10 years      
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount $ 1,900,000      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) 1 year 9 months 18 days      
The 2018 Equity Incentive Plan [Member] | Share-Based Payment Arrangement, Option [Member] | Maximum [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) 10 years      
The 2018 Equity Incentive Plan [Member] | Share-Based Payment Arrangement, Option [Member] | Director [Member] | Minimum [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 1 year      
The 2018 Equity Incentive Plan [Member] | Share-Based Payment Arrangement, Option [Member] | Director [Member] | Maximum [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 2 years      
The 2018 Equity Incentive Plan [Member] | Share-Based Payment Arrangement, Option [Member] | Officers And Employees [Member] | Share-Based Payment Arrangement, Tranche One [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage 20.00%      
The 2018 Equity Incentive Plan [Member] | Share-Based Payment Arrangement, Option [Member] | Officers And Employees [Member] | Maximum [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 5 years