CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jun. 25, 2022	Jul. 01, 2023	Jun. 25, 2022
Income Statement [Abstract]
NET SALES	$ 74,009	$ 83,698	$ 141,093	$ 161,273
Cost of sales	54,229	67,642	103,480	130,041
GROSS PROFIT	19,780	16,056	37,613	31,232
Selling and administrative expenses	19,042	18,855	35,451	36,268
Other operating (income) expense, net	(234)	136	(166)	146
Facility consolidation and severance expenses, net	719	0	1,768	0
OPERATING INCOME (LOSS)	253	(2,935)	560	(5,182)
Interest expense	1,849	1,081	3,707	2,196
Other (income) expense, net	3	0	(10)	(1)
LOSS FROM CONTINUING OPERATIONS BEFORE TAXES	(1,599)	(4,016)	(3,137)	(7,377)
Income tax provision (benefit)	21	3	34	(16)
LOSS FROM CONTINUING OPERATIONS	(1,620)	(4,019)	(3,171)	(7,361)
Loss from discontinued operations, net of tax	(106)	(468)	(313)	(483)
NET LOSS	$ (1,726)	$ (4,487)	$ (3,484)	$ (7,844)
BASIC EARNINGS (LOSS) PER SHARE:
Continuing operations (in dollars per share)	$ (0.11)	$ (0.26)	$ (0.22)	$ (0.48)
Discontinued operations (in dollars per share)	(0.01)	(0.03)	(0.02)	(0.03)
Net loss (in dollar per share)	$ (0.12)	$ (0.29)	$ (0.24)	$ (0.51)
Basic shares outstanding (in shares)	14,808	15,225	14,742	15,184
DILUTED EARNINGS (LOSS) PER SHARE:
Continuing operations (in dollars per share)	$ (0.11)	$ (0.26)	$ (0.22)	$ (0.48)
Discontinued operations (in dollars per share)	(0.01)	(0.03)	(0.02)	(0.03)
Net loss (in dollars per share)	$ (0.12)	$ (0.29)	$ (0.24)	$ (0.51)
Diluted shares outstanding (in shares)	14,808	15,225	14,742	15,184
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