CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 24, 2022	Sep. 25, 2021	Sep. 24, 2022	Sep. 25, 2021
Income Statement [Abstract]
NET SALES	$ 71,762	$ 89,294	$ 233,034	$ 252,022
Cost of sales	59,225	64,365	189,266	187,657
GROSS PROFIT	12,537	24,929	43,768	64,365
Selling and administrative expenses	18,606	18,132	54,875	50,828
Other operating (income) expense, net	113	(131)	258	(96)
Facility consolidation and severance expenses, net	968	88	968	183
OPERATING INCOME (LOSS)	(7,150)	6,840	(12,333)	13,450
Interest expense	1,302	1,179	3,498	3,750
Other (income) expense, net	(2)	2	(3)	1
INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE TAXES	(8,450)	5,659	(15,828)	9,699
Income tax provision (benefit)	(78)	62	(94)	597
INCOME (LOSS) FROM CONTINUING OPERATIONS	(8,372)	5,597	(15,734)	9,102
Income (loss) from discontinued operations, net of tax	(408)	836	(890)	(1,348)
NET INCOME (LOSS)	$ (8,780)	$ 6,433	$ (16,624)	$ 7,754
BASIC EARNINGS (LOSS) PER SHARE:
Continuing operations (in dollars per share)	$ (0.55)	$ 0.35	$ (1.04)	$ 0.58
Discontinued operations (in dollars per share)	(0.03)	0.05	(0.05)	(0.09)
Net income (loss) (in dollar per share)	$ (0.58)	$ 0.40	$ (1.09)	$ 0.49
Basic shares outstanding (in shares)	15,226	15,123	15,196	15,109
DILUTED EARNINGS (LOSS) PER SHARE:
Continuing operations (in dollars per share)	$ (0.55)	$ 0.35	$ (1.04)	$ 0.58
Discontinued operations (in dollars per share)	(0.03)	0.05	(0.05)	(0.09)
Net income (loss) (in dollars per share)	$ (0.58)	$ 0.40	$ (1.09)	$ 0.49
Diluted shares outstanding (in shares)	15,226	15,253	15,196	15,239
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