CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024
Statement of Comprehensive Income [Abstract]
NET LOSS		$ (4,077)	$ (3,911)	$ (4,614)	$ (5,802)
OTHER COMPREHENSIVE LOSS, NET OF TAX:
Reclassification of net actuarial gain into earnings from postretirement benefit plans	[1]	(5)	(5)	(15)	(15)
Income taxes		0	0	0	0
Reclassification of net actuarial gain into earnings from postretirement benefit plans, net		(5)	(5)	(15)	(15)
TOTAL OTHER COMPREHENSIVE LOSS, NET OF TAX		(5)	(5)	(15)	(15)
COMPREHENSIVE LOSS		$ (4,082)	$ (3,916)	$ (4,629)	$ (5,817)

[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.