v3.26.1
Note D - 2025 Equity Incentive Plan (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Oct. 31, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized       4,500,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number 398,000   398,000  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number 0   0  
Share-Based Payment Arrangement, Expense $ 41,000 $ 0    
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 237,000   $ 297,000  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition 2 years 4 months 24 days