v3.26.1
Note 14 - Stock-Based Compensation (Details Textual) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)   29,997 34,497  
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) 10 years      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value $ 1.8      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value 1.2      
Stock or Unit Option Plan Expense 0.1 $ 0.2 $ 0.2  
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount $ 0.2      
Share-Based Payment Arrangement, Option [Member]        
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) 2 years 6 months      
Restricted Stock and Restricted Stock Units [Member]        
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) 3 years 3 months 18 days      
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 135,220 111,792 172,736  
Share-Based Payment Arrangement, Expense $ 1.8 $ 1.8 $ 1.8  
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount $ 4.2      
Key Personnel [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 0 29,997 34,497  
Key Personnel [Member] | Share-Based Payment Arrangement, Option [Member] | Share-Based Payment Arrangement, Tranche One [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage       20.00%
Non-employee Directors and Certain Officers [Member] | Restricted Stock Units (RSUs) [Member] | Minimum [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 2 years      
Non-employee Directors and Certain Officers [Member] | Restricted Stock Units (RSUs) [Member] | Maximum [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 5 years      
Employees [Member] | Restricted Stock Units (RSUs) [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period (Year) 5 years      
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 135,220 111,792 172,736  
Employees [Member] | Restricted Stock Units (RSUs) [Member] | Share-Based Payment Arrangement, Tranche One [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)   90,574 153,467  
Director [Member] | Restricted Stock Units (RSUs) [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period (Year) 2 years      
Employees and Directors [Member] | Restricted Stock Units (RSUs) [Member] | Share-Based Payment Arrangement, Tranche One [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 5 years 5 years 5 years  
Employees and Directors [Member] | Restricted Stock Units (RSUs) [Member] | Share-Based Payment Arrangement, Tranche Two [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)   2 years 2 years  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)   21,218 19,269  
A 2017 Long Term Incentive Compensation Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)       1,200,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in shares)       600,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares) 213,526