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Note 14 - Stock Based Compensation (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Feb. 24, 2025
Mar. 04, 2024
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2015
Restricted Stock [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number (in shares)     85,545 84,593  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding     $ 1,300 $ 1,300  
Share Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period, Cumulative Weighted Average Grant Date Fair Value $ 569 $ 578      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)     5 years    
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount     $ 1,200    
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)     5 years    
The 2015 Plan [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)         450,000