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Note 9 - Benefit Plans (Details Textual) - USD ($)
$ in Millions
3 Months Ended
Apr. 28, 2022
May 08, 2020
Apr. 28, 2014
Mar. 31, 2024
Mar. 31, 2023
Apr. 27, 2022
May 07, 2020
Defined Contribution Plan, Cost       $ 0.6 $ 0.7    
The 2014 Long-Term Incentive Plan [Member]              
Share Based Compensation Arrangement By Share Based Payment Award, Term (Year)     10 years        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)     2,253,735        
The 2018 Omnibus Incentive Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)   4,607,389         1,607,389
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized (in shares)   3,000,000          
The 2020 Plan Amendment [Member]              
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares) 9,607,389         4,607,389  
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized (in shares) 5,000,000            
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)       3,798,582