Earnings (Loss) Per Share (Details) - USD ($)		3 Months Ended		9 Months Ended
	Sep. 24, 2022	Sep. 24, 2022	Sep. 25, 2021	Sep. 24, 2022	Sep. 25, 2021	Aug. 03, 2022
Basic earnings (loss) per share:
Income (Loss) from continuing operations		$ (8,372,000)	$ 5,597,000	$ (15,734,000)	$ 9,102,000
Less: Allocation of earnings to participating securities		0	(240,000)	0	(341,000)
Income (Loss) from continuing operations available to common shareholders - basic		$ (8,372,000)	$ 5,357,000	$ (15,734,000)	$ 8,761,000
Basic weighted-average shares outstanding		15,226,000	15,123,000	15,196,000	15,109,000
Basic earnings income (loss) per share - continuing operations		$ (0.55)	$ 0.35	$ (1.04)	$ 0.58
Diluted earnings income (loss) per share:
Income (Loss) from continuing operations available to common shareholders - basic		$ (8,372,000)	$ 5,357,000	$ (15,734,000)	$ 8,761,000
Add: Undistributed earnings reallocated to unvested shareholders		0	2,000	0	2,000
Income (loss) from continuing operations available to common shareholders - basic		$ (8,372,000)	$ 5,359,000	$ (15,734,000)	$ 8,763,000
Effect of dilutive securities:
Stock options		0	0	0	0
Directors' stock performance units		0	130,000	0	130,000
Diluted weighted-average shares outstanding		15,226,000	15,253,000	15,196,000	15,239,000
Diluted earnings income (loss) per share - continuing operations		$ (0.55)	$ 0.35	$ (1.04)	$ 0.58
Common shares, excluding unvested participating securities	944,000	944,000	671,000	944,000	671,000
Antidilutive securities excluded from computation of earnings per share, (in shares)		130,000	177,000	130,000	177,000
Repurchases of Common Stock				$ (229,000)	$ (69,000)
Authorized repurchase amount						$ 3,000,000
Repurchased shares (in shares)	105,381	105,381		105,381
Shares repurchase cost	$ 134,000