STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2017

Stock-Based Compensation [Abstract]

Schedule of Share-Based Compensation [Table Text Block]

	Year Ended
(in thousands)	December 31, 2017		January 1, 2017
Stock options	$	218	$	311
Shares of common stock		85		—
Restricted stock		10		28
	$	313	$	339

Schedule of Stock Options Roll Forward [Table Text Block]

				Weighted
				Average
	Number of			Remaining		Aggregate
	Options	Weighted Average		Contractual		Intrinsic Value
	(in thousands)	Exercise Price		Life in Years		(in thousands)
Options outstanding at January 3, 2016	507		16.66	5.3	$	—
Granted	416		5.55			—
Exercised	(6)		5.90			4
Canceled, forfeited or expired	(231)		19.44			—
Options outstanding at January 1, 2017	686		9.15	5.7		1
Granted	165		4.20			—
Exercised	(3)		5.42			5
Canceled, forfeited or expired	(309)		11.04			—
Options outstanding at December 31, 2017	539	$	6.60	6.6	$	598
Options Exercisable at December 31, 2017	266	$	8.09	4.2	$	187

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

	Year Ended
	December 31, 2017			January 1, 2017
Weighted-average fair value of options granted during the period	$	1.78		$	1.97
Expected life (in years)		5.3			5.2
Expected dividend	$	—		$	—
Expected stock volatility		43.47	%		39.98	%
Risk-free interest rate		2.0	%		1.2	%