Consolidated Statement of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jul. 01, 2018	Jun. 30, 2019	Jul. 01, 2018
Revenue:
Total revenue	$ 21,128	$ 14,538	$ 35,321	$ 27,382
Costs and expenses:
Food and beverage costs	5,325	3,099	8,685	5,816
Labor and benefits costs	5,819	3,361	9,776	6,557
Operating expenses	5,187	2,894	8,356	5,735
Depreciation and amortization expenses	515	309	779	702
General and administrative expenses	2,377	2,111	4,894	3,985
National advertising fund expenses	471	529	880	998
Asset impairment, estimated lease termination charges and other closing costs, net	97	216	504	112
Net gain on disposal of property	(140)	30	(146)	29
Total costs and expenses	19,651	12,549	33,728	23,934
Income from operations	1,477	1,989	1,593	3,448
Other income (expense):
Interest expense	(288)	(197)	(359)	(342)
Interest income	33	20	87	25
Total other expense	(255)	(177)	(272)	(317)
Income before income taxes	1,222	1,812	1,321	3,131
Income tax expense	(182)	(420)	(199)	(741)
Net income	$ 1,040	$ 1,392	$ 1,122	$ 2,390
Basic net income per share	$ 0.11	$ 0.16	$ 0.12	$ 0.29
Diluted net income per share	$ 0.11	$ 0.16	$ 0.12	$ 0.29
Weighted average shares outstanding - basic	9,093	8,809	9,089	8,108
Weighted average shares outstanding - diluted	9,278	8,835	9,191	8,131
Restaurant Sales
Revenue:
Total revenue	$ 16,898	$ 9,955	$ 27,212	$ 18,668
Franchise Royalty and Fees
Revenue:
Total revenue	3,447	3,753	6,651	7,161
Franchisee National Advertising Fund Contributions
Revenue:
Total revenue	471	529	880	998
Licensing and Other Revenue
Revenue:
Total revenue	$ 312	$ 301	$ 578	$ 555