Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 20, 2017	Jun. 14, 2016
Proceeds from Stock Options Exercised	$ 10	$ 0
Operating activities
Net income	9,568	7,925
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	10,381	11,018
Amortization of favorable and unfavorable lease assets and liabilities, net	(292)	(280)
Amortization of deferred financing costs and debt discount	178	178
Stock-based compensation	2,149	1,629
Deferred income taxes	792	3,052
Loss on disposal of assets, net	291	137
Restaurant closure charges	85	(137)
Changes in operating assets and liabilities:
Accounts and other receivables, net	1,023	859
Inventories	133	379
Prepaid expenses and other current assets	1,075	371
Other assets	(60)	0
Accounts payable	35	435
Other accrued liabilities	(304)	(3,609)
Other non-current liabilities	(240)	(904)
Net cash provided by operating activities	24,814	21,053
Investing activities
Purchases of property and equipment	(14,814)	(15,546)
Proceeds from disposal of property and equipment, net	7,733	4
Purchases of other assets	(470)	(647)
Proceeds from sale of company-operated restaurants	2,192	0
Net cash used in investing activities	(5,359)	(16,189)
Financing activities
Repurchase of common stock and warrants	(9,517)	(6,943)
Payment of tax withholding related to restricted stock vesting	(59)	0
Payments on capital leases and deemed landlord financing	(759)	(817)
Proceeds from revolving credit facility	6,000	4,000
Payments on revolving credit facility	(19,000)	(4,000)
Net cash used in financing activities	(23,325)	(7,760)
Decrease in cash and cash equivalents	(3,870)	(2,896)
Cash and cash equivalents at beginning of period	8,795	10,194
Cash and cash equivalents at end of period	4,925	7,298
Supplemental cash flow information:
Cash paid during the period for interest	2,688	2,872
Cash paid during the period for income taxes	4,733	800
Supplemental schedule of non-cash activities:
Accrued property and equipment purchases	4,114	1,939
Write-offs of accounts receivables	0	72
Change in other asset for fair value of interest rate cap recorded to other comprehensive loss, net of tax	$ (236)	$ 0