CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 27, 2023	Sep. 28, 2022
Cash flows from operating activities:
Net income	$ 21,203	$ 14,265
Adjustments to reconcile net income to net cash flows provided by operating activities:
Depreciation and amortization	11,277	10,745
Stock-based compensation expense	2,539	2,806
Income tax receivable agreement expense (income)	105	(345)
Fire insurance proceeds for expenses paid and lost profit	151
(Gain) loss on disposal of assets	(34)	129
Gain on recovery of insurance proceeds, property, equipment and expenses, net	(242)
Impairment of property and equipment	1,032	392
Gain on disposition of restaurants	(5,034)
Amortization of deferred financing costs	153	292
Deferred income taxes, net	1,138	2,351
Changes in operating assets and liabilities:
Accounts and other receivables	462	(1,539)
Inventories	403	108
Prepaid expenses and other current assets	8	755
Income taxes payable (receivable)	6,391	(1,459)
Other assets	(236)	(150)
Accounts payable	(5,798)	1,285
Accrued salaries and vacation	(1,619)	(4,564)
Accrued insurance	437	93
Other accrued expenses and liabilities	173	(3,257)
Net cash flows provided by operating activities	32,509	21,907
Cash flows from investing activities:
Proceeds from disposition of restaurants	7,722
Proceeds from fire insurance for property and equipment	163
Purchase of property and equipment	(15,297)	(13,022)
Net cash flows used in investing activities	(7,412)	(13,022)
Cash flows from financing activities:
Proceeds from borrowings on revolver and swingline loans	25,000
Payments on revolver and swingline loan	(11,000)	(20,000)
Minimum tax withholdings related to net share settlements	(217)	(243)
Repurchases of common stock	(46,616)
Proceeds from issuance of common stock upon exercise of stock options, net of expenses	1,171	1,580
Payment of obligations under finance leases	(113)	(124)
Deferred financing costs for revolver loan		(869)
Net cash flows used in by financing activities	(31,775)	(19,656)
Decrease in cash and cash equivalents	(6,678)	(10,771)
Cash and cash equivalents, beginning of period	20,493	30,046
Cash and cash equivalents, end of period	13,815	19,275
Supplemental cash flow information
Cash paid during the period for interest	3,554	819
Cash paid during the period for income taxes	54	5,100
Unpaid purchases of property and equipment	4,476	$ 3,030
Unpaid repurchases of common stock	$ 430