INCOME TAXES (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Federal deferred tax expense, net	$ 0	$ 655
State deferred tax benefit, net	0	125
Foreign current tax benefit (expense)	197	(48)
Foreign deferred tax expense, net	0	(484)
Total income tax (expense) benefit	$ 197	$ 248