Condensed Consolidated Statements Of Cash Flows (Unaduited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 13, 2017	Jun. 14, 2016
Cash flows from operating activities:
Net income	$ 5,400	$ 9,855
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	9,813	8,448
Loss on disposal of restaurant property	13	0
Loan cost amortization	3	1
Equity based compensation	1,327	1,386
Deferred income taxes	(878)	(18)
Amortization of deferred lease incentives	(158)	(496)
Changes in operating assets and liabilities:
Inventory	175	1,115
Prepaid expenses and other assets	5,281	3,286
Insurance settlement	594	0
Accounts payable	(2,947)	(4,733)
Income taxes	2,630	1,172
Deferred rent obligations	(172)	(1,469)
Deferred revenue	(4,900)	(4,080)
Other liabilities	(1,106)	3,096
Net cash provided by operating activities	15,075	17,563
Cash flows from investing activities:
Purchase of trade name	0	(400)
Insurance settlement for property and equipment	535	0
Purchases of property and equipment	(21,192)	(13,263)
Other investing activities	31	0
Net cash used in investing activities	(20,626)	(13,663)
Cash flows from financing activities:
Proceeds from long-term debt	22,750	0
Net payments of credit facility	0	(4,500)
Purchases of treasury stock	(29,940)	0
Cash settlement for share-based awards	(183)	(81)
Proceeds from exercise of stock options	447	140
Net cash used in financing activities	(6,926)	(4,441)
Net change in cash and cash equivalents	(12,477)	(541)
Cash and cash equivalents at beginning of period	14,622	5,176
Cash and cash equivalents at end of period	2,145	4,635
Cash paid during the period for:
Interest	70	54
Income taxes	406	3,203
Non cash investing and financing activities:
Capital expenditures included in accounts payable at end of period	1,610	183
Acquisition of trade name financed by current liabilities	$ 0	$ 200