Goodwill and Intangible Assets (Details 1) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jul. 02, 2016	Jul. 02, 2016	Jul. 04, 2015
Finite-lived Intangible Assets [Roll Forward]
Balance as of January 2, 2016		$ 1,198
Changes in foreign currency exchange rates		(114)
Balance as of July 2, 2016	$ 1,084	1,084
Accumulated Amortization of Intangible Assets [Roll Forward]
Balance as of January 2, 2016		(202)
Changes in foreign currency exchange rates		29
Amortization expense	(76)	(165)	$ 0
Balance as of July 2, 2016	(338)	$ (338)
Noncompete Agreements [Member]
Finite Lived Intangible Assets By Major Class Including Accumulated Amortization [Line Items]
Finite-Lived Intangible Asset, Useful Life		4 years 6 months
Finite-lived Intangible Assets [Roll Forward]
Balance as of January 2, 2016		$ 57
Changes in foreign currency exchange rates		(5)
Balance as of July 2, 2016	52	52
Accumulated Amortization of Intangible Assets [Roll Forward]
Balance as of January 2, 2016		(5)
Changes in foreign currency exchange rates		1
Amortization expense		(6)
Balance as of July 2, 2016	(10)	$ (10)
Customer Relationships [Member]
Finite Lived Intangible Assets By Major Class Including Accumulated Amortization [Line Items]
Finite-Lived Intangible Asset, Useful Life		3 years 6 months
Finite-lived Intangible Assets [Roll Forward]
Balance as of January 2, 2016		$ 1,055
Changes in foreign currency exchange rates		(100)
Balance as of July 2, 2016	955	955
Accumulated Amortization of Intangible Assets [Roll Forward]
Balance as of January 2, 2016		(126)
Changes in foreign currency exchange rates		22
Amortization expense		(147)
Balance as of July 2, 2016	(251)	$ (251)
Trade Names [Member]
Finite Lived Intangible Assets By Major Class Including Accumulated Amortization [Line Items]
Finite-Lived Intangible Asset, Useful Life		6 months
Finite-lived Intangible Assets [Roll Forward]
Balance as of January 2, 2016		$ 86
Changes in foreign currency exchange rates		(9)
Balance as of July 2, 2016	77	77
Accumulated Amortization of Intangible Assets [Roll Forward]
Balance as of January 2, 2016		(71)
Changes in foreign currency exchange rates		6
Amortization expense		(12)
Balance as of July 2, 2016	$ (77)	$ (77)