Goodwill and Intangible Assets - Amortization of Sales and Marketing Expense and Cost of Revenue (Details) - USD ($) $ in Thousands	Oct. 03, 2015	Jan. 03, 2015	[1]
Future estimated amortization expense
2015 (three months)	$ 4
2016	16
2017	54
2018	98
2019	16
Thereafter	84
Net Carrying Amount	$ 272	$ 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.