Quarterly report pursuant to Section 13 or 15(d)

Note 12 - Stock Based Compensation (Details Textual)

v3.23.2
Note 12 - Stock Based Compensation (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Feb. 27, 2015
Share-Based Payment Arrangement, Expense $ 241 $ 163 $ 548 $ 332  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 1,100   $ 1,100    
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] | Minimum [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)     3 years    
2015 Stock Option and Incentive Plan [Member] | Restricted Stock [Member] | Maximum [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)     5 years