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Supplemental Financial Information - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($)
$ in Thousands
Apr. 02, 2019
Jan. 02, 2019
Jan. 01, 2019
Supplemental Financial Information [Abstract]      
Gift card liability $ 1,906   $ 3,284
Occupancy related 1,164   2,600
Utilities 1,491   1,582
Other accrued expenses 3,963   3,717
Accrued liabilities, current $ 8,524 $ 10,630 $ 11,183