GOODWILL AND INTANGIBLE ASSETS (Details Textual) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Oct. 01, 2016	Dec. 30, 2017	Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill impairment	$ 10,800	$ 0	$ 10,830
Amortization of intangible assets		$ 275	$ 301