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Stock Plans and Stock Compensation Expense (2016 Incentive Compensation Plan & 2006 Stock Awards plan) (Details) - USD ($)
$ in Thousands
12 Months Ended
May 06, 2020
Dec. 31, 2022
Dec. 25, 2021
May 04, 2022
May 03, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation expense   $ 766 $ 477    
Omnibus Equity Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares authorized (in shares)       1,300,000  
2016 Incentive Compensation Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares authorized (in shares)         800,000
Additional shares authorized (in shares) 500,000        
2006 Stock Awards Plan, as amended in 2013          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares authorized (in shares)   1,800,000