Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 02, 2019	Feb. 24, 2018
Net income (loss)	$ 608	$ (913)
Other comprehensive income:
Other comprehensive income, net of tax	57	80
Total comprehensive income (loss)	665	(833)
Pension Plan [Member]
Other comprehensive income:
Amortization associated with Retirement Plan	31	31
Income taxes related to Retirement Plan	(8)	(8)
Supplemental Employee Retirement Plan [Member]
Other comprehensive income:
Amortization associated with Retirement Plan	46	76
Income taxes related to Retirement Plan	$ (12)	$ (19)