v3.26.1
Note 15 - Stock-based Compensation (Details Textual) - The 2023 Equity Compensation Plan [Member] - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Share-Based Payment Arrangement, Expense $ 18,000 $ 18,000  
Restricted Stock Units (RSUs) [Member]      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 13,600    
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition 9 months    
Executive Officer [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period     2,000
Executive Officer [Member] | Restricted Stock Units (RSUs) [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted     3,000
Executive Officer [Member] | Restricted Stock Units (RSUs) [Member] | Share-Based Payment Arrangement, Tranche One [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage     33.33%
Executive Officer [Member] | Restricted Stock Units (RSUs) [Member] | Share-Based Payment Arrangement, Tranche Two [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage     33.33%
Executive Officer [Member] | Restricted Stock Units (RSUs) [Member] | Share-Based Payment Arrangement, Tranche Three [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage     33.33%