Quarterly report [Sections 13 or 15(d)]

Note 13 - Stock-based Compensation (Details Textual)

v3.26.1
Note 13 - Stock-based Compensation (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Apr. 11, 2023
Dec. 31, 2013
Share-Based Payment Arrangement, Expense (in shares) 0 0        
Share-Based Payment Arrangement, Option [Member]            
Share-Based Payment Arrangement, Expense (in shares) 0 0        
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount $ 0          
Restricted Stock [Member]            
Share-Based Payment Arrangement, Expense $ 30,822 $ 36,641        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares) 63,684 24,653 63,684 24,653    
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 121,507          
The 2013 Equity Incentive Plan [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)           75,000
The 2023 Equity Incentive Plan [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)         750,000