EARNINGS PER SHARE - Computation of Basic and Diluted Net Income per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 28, 2022	Dec. 29, 2021	Dec. 30, 2020
Numerator:
Net income	$ 20,801	$ 29,121	$ 24,474
Denominator:
Weighted-average shares outstanding-Basic (shares)	36,350,579	35,973,892	35,193,325
Weighted-average shares outstanding-Diluted (shares)	36,575,904	36,446,756	35,796,406
Net income per share-Basic (usd per share)	$ 0.57	$ 0.81	$ 0.70
Net income per share-Diluted (usd per share)	$ 0.57	$ 0.80	$ 0.68
Anti-dilutive securities not considered in diluted EPS calculation (shares)	535,574	136,397	81,041