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Note 10 - Stock Based Compensation (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
May 09, 2023
Share-Based Payment Arrangement, Expense $ 49 $ 28 $ 143 $ 93  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 105   $ 105    
Stock Incentive Plan 2023 [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)         120,000
Stock Incentive Plan 2023 [Member] | Restricted Stock Award [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)     1 year