Detail of Certain Balance Sheet Accounts - Schedule of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016	Dec. 26, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cash and cash equivalents	$ 8,988	$ 15,687
Restricted cash	660
Total cash, cash equivalents and restricted cash	$ 9,648	$ 15,687	$ 7,806