Goodwill and Intangible Assets Schedule of Acquired Intangible Assets (Details) - USD ($) $ in Thousands	Jan. 02, 2018	Jan. 03, 2017
Acquired Finite-Lived Intangible Assets [Line Items]
Less accumulated amortization	$ (375)	$ (277)
Amortized intangible assets net	1,046	1,214
Non-amortized intangible assets:
Intangibles, net	1,565	1,715
Franchise Rights [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Reacquired franchise rights	1,271	1,306
Off-Market Favorable Lease [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangibles	150	185
Non-amortized intangible assets:
Trademark rights and transferable liquor licenses	150	185
Trademark Rights And Transferable Liquor Licenses [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangibles	519	501
Non-amortized intangible assets:
Trademark rights and transferable liquor licenses	$ 519	$ 501