CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 28, 2025	Jun. 29, 2024	Jun. 28, 2025	Jun. 29, 2024
Statement of Comprehensive Income [Abstract]
NET INCOME (LOSS)		$ 1,160	$ 603	$ (537)	$ (1,891)
OTHER COMPREHENSIVE LOSS, NET OF TAX:
Reclassification of net actuarial gain into earnings from postretirement benefit plans	[1]	(5)	(5)	(10)	(10)
Income taxes		0	0	0	0
Reclassification of net actuarial gain into earnings from postretirement benefit plans, net		(5)	(5)	(10)	(10)
TOTAL OTHER COMPREHENSIVE LOSS, NET OF TAX		(5)	(5)	(10)	(10)
COMPREHENSIVE INCOME (LOSS)		$ 1,155	$ 598	$ (547)	$ (1,901)

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