v3.26.1
Note D - 2025 Equity Incentive Plan (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
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   398,000 398,000  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number 0   0 0  
Share-Based Payment Arrangement, Expense $ 41,000 $ 0      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 196,000   $ 196,000 $ 297,000  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition     2 years 1 month 6 days