Detail of Certain Balance Sheet Accounts - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Dec. 29, 2018	Dec. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Prepaid expenses	$ 934	$ 884
Tax receivable	69
Other receivables - employee	50	43
Note Receivable	43	67
Other current liabilities	$ 1,096	$ 994