Quarterly report [Sections 13 or 15(d)]

Note 10 - Stock Based Compensation (Details Textual)

v3.25.1
Note 10 - Stock Based Compensation (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Feb. 27, 2015
Share-Based Payment Arrangement, Expense $ 98 $ 172  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 800    
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) 1 year 10 months 24 days    
2015 Stock Option and Incentive Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)     250,000
2015 Stock Option and Incentive Plan [Member] | Restricted Stock [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 3 years