STOCK-BASED COMPENSATION (Tables)

9 Months Ended

Oct. 03, 2021

Stock-based Compensation

Schedule of recognized stock-based compensation expense

	Three Months Ended				Nine Months Ended
(in thousands)	October 3, 2021		September 27, 2020		October 3, 2021		September 27, 2020
Stock options	$	62	$	110	$	245	$	235
Restricted stock		232		64		687		187
	$	294	$	174	$	932	$	422

Schedule of stock option activity

				Weighted
				Average
				Remaining
	Number of	Weighted Average		Contractual
(number of options in thousands)	Options	Exercise Price		Life in Years
Options outstanding at January 3, 2021	557	$	4.53
Granted	123		12.99
Exercised	(181)		4.63
Canceled, forfeited or expired	(51)		4.21
Options outstanding at October 3, 2021	448	$	6.85	7.4

Schedule of stock option valuation assumptions

	Nine Months Ended
	October 3, 2021			September 27, 2020
Weighted-average fair value of options granted during the period	$	7.33		$	1.79
Expected life (in years)		5.6			5.1
Expected dividend	$	—		$	—
Expected stock volatility		64.02	%		55.02	%
Risk-free interest rate		0.9	%		0.9	%

Schedule of unvested restricted stock activity

				Weighted
				Average
				Remaining
	Number of	Weighted Average		Contractual
(number of awards in thousands)	Awards	Award Date Fair Value		Life in Years
Unvested at January 3, 2021	475	$	4.43
Granted	53		13.25
Exercised/Released	(168)		4.93
Canceled, forfeited or expired	(55)		4.30
Unvested at October 3, 2021	305	$	5.71	14.8