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Note 9 - Shareholders' Equity (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended
Jan. 05, 2022
Aug. 31, 2023
Jun. 30, 2023
Jan. 31, 2023
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Sep. 30, 2022
Jun. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Apr. 26, 2023
Dec. 31, 2022
Common Stock, Shares, Outstanding (in shares)         25,506,570         25,506,570     25,023,812
Common Stock, Shares Authorized (in shares)         245,000,000         245,000,000     245,000,000
Preferred Stock, Shares Authorized (in shares)         5,000,000         5,000,000      
Payments for Repurchase of Common Stock                   $ 241 $ (0)    
Stock Repurchased During Period, Shares (in shares)                   163,300      
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   0 0    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period (in shares)                     4,946    
Common Stock, Dividends, Per Share, Cash Paid (in dollars per share)           $ 0.0225 $ 0.0225 $ 0.0225 $ 0.0225        
Dividends and Interest Paid                   $ 1,200 $ 1,200    
Stock Repurchase Program, Authorized Amount                       $ 5,000  
Stock Repurchased During Period, Value           $ 241       $ 200      
Shares Acquired, Average Cost Per Share (in dollars per share)                   $ 1.48      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares)         0     0   0 0    
Share-Based Payment Arrangement, Option [Member]                          
Share-Based Payment Arrangement, Expense         $ 0     $ 0   $ 0 $ 0    
Restricted Stock [Member]                          
Share-Based Payment Arrangement, Expense         600     $ 500   $ 2,000 $ 2,600    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)                   936,434      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount         $ 900         $ 900      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)                   1 year 7 months 6 days      
Restricted Stock [Member] | Chief Financial Officer [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)     100,000                    
Restricted Stock [Member] | New Controller [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)   40,000                      
Restricted Stock [Member] | The 2021 Equity Incentive Plan and The 2022 Equity Incentive Plan [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)       796,434                  
January 2022 Acquisition [Member]                          
Asset Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) 19,905,736