STOCK-BASED COMPENSATION (Tables)

6 Months Ended

Jul. 01, 2018

Stock-Based Compensation [Abstract]

Schedule of Share-Based Compensation [Table Text Block]

	Three Months Ended				Six Months Ended
(in thousands)	July 1, 2018		July 2, 2017		July 1, 2018		July 2, 2017
Stock options	$	120	$	16	$	167	$	116
Restricted stock		—		8		—		15
	$	120	$	24	$	167	$	131

Schedule of Stock Options Roll Forward [Table Text Block]

				Weighted
				Average
				Remaining
	Number of	Weighted Average		Contractual
(number of options in thousands)	Options	Exercise Price		Life in Years
Options outstanding at December 31, 2017	539	$	6.60	6.6
Granted	90		7.67
Exercised	(125)		5.26
Forfeited or expired	(83)		5.65
Options outstanding at July 1, 2018	421	$	7.30	7.3

Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]

	Six Months Ended
	July 1, 2018			July 2, 2017
Weighted-average fair value of options granted during the period	$	3.73		$	2.55
Expected life (in years)		6.2			5.0
Expected dividend	$	—		$	—
Expected stock volatility		45.94	%		60.47	%
Risk-free interest rate		2.9	%		2.2	%