CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 24, 2022	Sep. 30, 2023	Sep. 24, 2022
Income Statement [Abstract]
NET SALES	$ 68,576	$ 71,762	$ 209,669	$ 233,034
Cost of sales	50,341	59,225	153,821	189,266
GROSS PROFIT	18,235	12,537	55,848	43,768
Selling and administrative expenses	18,743	18,606	54,195	54,875
Other operating (income) expense, net	(147)	113	(313)	258
Facility consolidation and severance expenses, net	552	968	2,320	968
OPERATING LOSS	(913)	(7,150)	(354)	(12,333)
Interest expense	1,795	1,302	5,503	3,498
Other income, net	(622)	(2)	(634)	(3)
LOSS FROM CONTINUING OPERATIONS BEFORE TAXES	(2,086)	(8,450)	(5,223)	(15,828)
Income tax provision (benefit)	125	(78)	159	(94)
LOSS FROM CONTINUING OPERATIONS	(2,211)	(8,372)	(5,382)	(15,734)
Loss from discontinued operations, net of tax	(183)	(408)	(496)	(890)
NET LOSS	$ (2,394)	$ (8,780)	$ (5,878)	$ (16,624)
BASIC EARNINGS (LOSS) PER SHARE:
Continuing operations (in dollars per share)	$ (0.15)	$ (0.55)	$ (0.36)	$ (1.04)
Discontinued operations (in dollars per share)	(0.01)	(0.03)	(0.04)	(0.05)
Net loss (in dollar per share)	$ (0.16)	$ (0.58)	$ (0.40)	$ (1.09)
Basic shares outstanding (in shares)	14,824	15,226	14,769	15,196
DILUTED EARNINGS (LOSS) PER SHARE:
Continuing operations (in dollars per share)	$ (0.15)	$ (0.55)	$ (0.36)	$ (1.04)
Discontinued operations (in dollars per share)	(0.01)	(0.03)	(0.04)	(0.05)
Net loss (in dollars per share)	$ (0.16)	$ (0.58)	$ (0.40)	$ (1.09)
Diluted shares outstanding (in shares)	14,824	15,226	14,769	15,196
DIVIDENDS PER SHARE:
Common stock (in dollars per share)	$ 0	$ 0	$ 0	$ 0
Class B common stock (in dollars per share)	$ 0	$ 0	$ 0	$ 0