Quarterly report pursuant to Section 13 or 15(d)

Note 13 - Stock-based Compensation (Details Textual)

v3.23.3
Note 13 - Stock-based Compensation (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 08, 2023
Jun. 30, 2023
Mar. 31, 2022
Sep. 30, 2023
Sep. 30, 2022
Stock Issued During Period, Value, Employee Benefit Plan   $ 249 $ 176    
Defined Contribution Plan, Employer Matching Contribution, Percent of Match       50.00%  
Common Stock Contribution       $ 304 $ 147
Common Stock [Member]          
Stock Issued During Period, Shares, Employee Benefit Plan (in shares)   161,000 68,000 161 68,000
Stock Issued During Period, Value, Employee Benefit Plan   $ 0 $ 0    
Additional Paid-in Capital [Member]          
Stock Issued During Period, Value, Employee Benefit Plan   $ 249 $ 176 $ 249 $ 176
Share-Based Payment Arrangement, Option [Member]          
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount       $ 8  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)       1 month 24 days  
Restricted Stock Units (RSUs) [Member]          
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount       $ 1,730  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)       1 year 4 months 13 days  
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instrument Other Than Options, Right To Receive, Shares (in shares)       1  
Equity Incentive Plan 2014 [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized (in shares) 1,200,000        
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)       3,724,000  
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)       425,000