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Note 9 - Shareholders' Equity (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Feb. 23, 2023
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Apr. 26, 2023
Common Stock, Shares, Outstanding (in shares)   25,343,013   25,333,870  
Common Stock, Shares Authorized (in shares)   245,000,000   245,000,000  
Preferred Stock, Shares Authorized (in shares)   5,000,000      
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)   10 years      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)   0 0    
Common Stock, Dividends, Per Share, Cash Paid (in dollars per share) $ 0.0225        
Dividends and Interest Paid   $ 600 $ 0    
Stock Repurchase Program, Authorized Amount         $ 5,000
Stock Repurchased During Period, Shares (in shares)   318,200 0    
Stock Repurchased During Period, Value   $ 337      
Shares Acquired, Average Cost Per Share (in dollars per share)   $ 1.06      
Share-Based Payment Arrangement, Option [Member]          
Share-Based Payment Arrangement, Expense   $ 0 $ 0    
Restricted Stock [Member]          
Share-Based Payment Arrangement, Expense   200 $ 700    
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount   $ 1,600      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)   1 year 7 months 6 days      
Restricted Stock [Member] | Minimum [Member]          
Share Price (in dollars per share)   $ 2