Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jul. 02, 2013	Jul. 03, 2012
Operating activities
Net income	$ 992	$ 3,471
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	9,836	7,831
Provision for deferred income taxes	366	0
Asset disposals, closure costs and restaurant impairments	498	462
Amortization of debt issuance costs	113	421
Stock-based compensation	3,933	606
Other noncash	(131)	(105)
Changes in operating assets and liabilities:
Accounts receivable and income tax receivable	47	1,374
Inventories	(527)	(665)
Prepaid expenses and other assets	(719)	(602)
Accounts payable	1,238	(444)
Deferred rent	2,434	1,118
Accrued expenses and other liabilities	1,646	(150)
Net cash provided by operating activities	19,726	13,317
Investing activities
Purchases of property and equipment	(25,652)	(18,930)
Net cash used in investing activities	(25,652)	(18,930)
Financing activities
Proceeds from issuances of notes payable	73,836	48,756
Payments on notes payable	(168,110)	(42,601)
Issuance of common stock, net of transaction expenses	100,237	(48)
Net cash provided by financing activities	5,963	6,107
Net increase in cash and cash equivalents	37	494
Cash and cash equivalents
Beginning of year	581	523
End of year	$ 618	$ 1,017