CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands		3 Months Ended
		Mar. 30, 2024	Apr. 01, 2023
Statement of Comprehensive Income [Abstract]
NET LOSS		$ (2,494)	$ (1,758)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Reclassification of net actuarial gain into earnings from postretirement benefit plans	[1]	(5)	(5)
Income taxes		0	0
Reclassification of net actuarial gain into earnings from postretirement benefit plans, net		(5)	(5)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX		(5)	(5)
COMPREHENSIVE LOSS		$ (2,499)	$ (1,763)

[1] Amounts for postretirement plans reclassified from accumulated other comprehensive income to net loss were included in selling and administrative expenses in the Company's consolidated condensed statements of operations.