GOODWILL AND INTANGIBLE ASSETS (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016
Gross Carrying Amount:
Balance as of December 31, 2016	$ 1,000
Changes in foreign currency exchange rates	93
Balance as of December 30, 2017	1,093	$ 1,000
Accumulated Amortization:
Balance as of December 31, 2016	(443)
Changes in foreign currency exchange rates	(53)
Amortization expense	(275)	(301)
Balance as of December 30, 2017	(771)	(443)
Intangible assets, net as of December 30, 2017	$ 322	557
Noncompete Agreements [Member]
Finite Lived Intangible Assets By Major Class Including Accumulated Amortization [Line Items]
Useful lives of intangible assets	4 years 6 months
Gross Carrying Amount:
Balance as of December 31, 2016	$ 48
Changes in foreign currency exchange rates	4
Balance as of December 30, 2017	52	48
Accumulated Amortization:
Balance as of December 31, 2016	(15)
Changes in foreign currency exchange rates	(2)
Amortization expense	(11)
Balance as of December 30, 2017	(28)	(15)
Intangible assets, net as of December 30, 2017	$ 24
Customer Relationships [Member]
Finite Lived Intangible Assets By Major Class Including Accumulated Amortization [Line Items]
Useful lives of intangible assets	3 years 6 months
Gross Carrying Amount:
Balance as of December 31, 2016	$ 881
Changes in foreign currency exchange rates	82
Balance as of December 30, 2017	963	881
Accumulated Amortization:
Balance as of December 31, 2016	(357)
Changes in foreign currency exchange rates	(44)
Amortization expense	(264)
Balance as of December 30, 2017	(665)	(357)
Intangible assets, net as of December 30, 2017	$ 298
Trade Name [Member]
Finite Lived Intangible Assets By Major Class Including Accumulated Amortization [Line Items]
Useful lives of intangible assets	6 months
Gross Carrying Amount:
Balance as of December 31, 2016	$ 71
Changes in foreign currency exchange rates	7
Balance as of December 30, 2017	78	71
Accumulated Amortization:
Balance as of December 31, 2016	(71)
Changes in foreign currency exchange rates	(7)
Amortization expense	0
Balance as of December 30, 2017	(78)	$ (71)
Intangible assets, net as of December 30, 2017	$ 0