Goodwill and Intangible Assets - Amortization of Sales and Marketing Expense and Cost of Revenue (Details) - USD ($) $ in Thousands	Jul. 04, 2015	Jan. 03, 2015	[1]
Future estimated amortization expense
2015 (six months)	$ 46
2016	98
2017	16
2018	16
2019	16
Thereafter	84
Net Carrying Amount	$ 276	$ 284

[1] Derived from the audited consolidated financial statements included in the Annual Report on Form 10-K filed with the SEC for the year ended January 3, 2015.