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Note 8 - Stock Based Compensation (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2019
Jun. 30, 2026
Dec. 31, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)   9,000 13,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares (in shares)   0 0
Share Price (in dollars per share)   $ 12.56  
Restricted Stock [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)   38,000  
Share Purchase Match Program [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Matching Percentage of Common Stock Purchased 20.00%    
Share-based Compensation Arrangement by Share-based Payment Award, Matching of Common Stock Purchased per Individual Within a Calendar Year $ 25    
Share Purchase Match Program [Member] | Restricted Stock [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period (in shares)   980  
Stock Issued During Period, Value, Issued for Services   $ 12  
The 2019 Plan [Member] | Restricted Stock [Member]      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount   $ 865  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)   3 years 8 months 12 days  
The 2019 Plan [Member] | Restricted Stock [Member] | Board of Directors [Member] | Share-Based Payment Arrangement, Tranche One [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period (in shares)   4,902  
Stock Issued During Period, Value, Issued for Services   $ 58  
The 2019 Plan [Member] | Restricted Stock [Member] | Certain Key Employees [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period (in shares)   75,000  
Stock Issued During Period, Value, Issued for Services   $ 893  
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)   4 years