Sales by Geographic Region and Product Category - Schedule of Revenues by Geographical Region (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues by geography	$ 14,473	$ 13,764
Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues by geography	13,086	12,318
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues by geography	576	677
Asia Pacific and Africa [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues by geography	327	355
Middle East [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues by geography	$ 484	$ 414