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. 28, 2024	Dec. 30, 2023	May 04, 2022	May 03, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense		$ 494	$ 687
Omnibus Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized (in shares)				1,300,000
Cancellation of unvested awards outstanding (in shares)				394,649
2016 Incentive Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized (in shares)					800,000
Cancellation of unvested awards outstanding (in shares)	224,351
Additional shares authorized (in shares)	500,000