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EARNINGS PER SHARE (EPS) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 30, 2022	Sep. 30, 2022	Jul. 01, 2022	Apr. 01, 2022	Dec. 31, 2021	Oct. 01, 2021	Jul. 02, 2021	Apr. 02, 2021	Dec. 30, 2022	Dec. 31, 2021	Jan. 01, 2021
Net Income (Loss) Available to Common Stockholders, Diluted [Abstract]
Net income (loss)	$ (425)	$ 76	$ (4,326)	$ (3,773)	$ (890)	$ 840	$ (4,601)	$ (3,766)	$ (8,448)	$ (8,417)	$ (14,496)
Net income (loss) - basic									(8,448)	(8,417)	(14,496)
Net income (loss) - diluted									$ (8,448)	$ (8,417)	$ (14,496)
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Weighted-average common shares outstanding (in shares)	13,138	13,110	13,016	12,786	12,660	12,606	12,421	12,147	13,013	12,458	11,793
Weighted-average common shares outstanding-diluted (in shares)	13,138	13,360	13,016	12,786	12,660	13,141	12,421	12,147	13,013	12,458	11,793
Earnings Per Share, Diluted [Abstract]
Basic (in dollars per share)	$ (0.03)	$ 0.01	$ (0.33)	$ (0.30)	$ (0.07)	$ 0.07	$ (0.37)	$ (0.31)	$ (0.65)	$ (0.68)	$ (1.23)
Diluted (in dollars per share)	$ (0.03)	$ 0.01	$ (0.33)	$ (0.30)	$ (0.07)	$ 0.06	$ (0.37)	$ (0.31)	$ (0.65)	$ (0.68)	$ (1.23)

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- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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