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Note 10 - Stock Based Compensation (Details Textual) - USD ($)
12 Months Ended
Sep. 02, 2022
Sep. 02, 2021
Dec. 31, 2023
Dec. 31, 2022
May 27, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)     0    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares (in shares)     523,619 523,619  
Restricted Stock [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)     0    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)     $ 0    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares)     135,911 181,215  
The 2021 Plan [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)         902,602
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 526,119        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) $ 4.37        
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share) $ 10.45        
The 2021 Plan [Member] | Restricted Stock [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)         257,887
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)   226,519      
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)   $ 10.45      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period (Year)   5 years      
Share-Based Payment Arrangement, Expense     $ 473,000 $ 473,000  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares)     181,215    
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount     $ 1,900,000    
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)     3 years 10 months 6 days    
The 2021 Plan [Member] | Share-Based Payment Arrangement, Option [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)         644,718
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period (Year) 5 years        
Share-Based Payment Arrangement, Expense     $ 459,000 $ 459,000  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount     $ 1,800,000    
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)     3 years 10 months 6 days    
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) 10 years        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares (in shares)     526,119