CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 27, 2023	Dec. 28, 2022	Dec. 29, 2021
Cash flows from operating activities:
Net income	$ 25,554	$ 20,801	$ 29,121
Adjustments to reconcile net income to net cash flows provided by operating activities:
Depreciation and amortization	15,235	14,418	15,176
Stock-based compensation expense	2,964	3,491	3,220
Income tax receivable agreement (income) expense	103	(436)	58
Fire insurance proceeds for expenses paid and lost profit	327
(Gain) loss on disposition of restaurants	(5,034)	(848)	1,534
Loss on disposal of assets	192	165	289
Gain on recovery of insurance proceeds, property, equipment and expenses, net	(247)
Impairment of property and equipment	1,536	481	711
Amortization of deferred financing costs	201	340	251
Deferred income taxes, net	906	4,600	957
Changes in operating assets and liabilities:
Accounts and other receivables	(216)	3,323	(3,444)
Inventories	531	(125)	(218)
Prepaid expenses and other current assets	(1,972)	71	133
Income taxes (receivable) payable	838	(1,657)	3,410
Other assets	(309)	(240)	(1,052)
Accounts payable	(3,965)	3,977	2,533
Accrued salaries and vacation	459	(2,667)	1,373
Accrued insurance	711	(73)	777
Payment related to tax receivable agreement	(350)	(430)	(1,658)
Other accrued expenses and liabilities	3,224	(6,642)	(1,072)
Net cash flows provided by operating activities	40,688	38,549	52,099
Cash flows from investing activities:
Proceeds from disposition of restaurants	7,722	1,002	4,556
Proceeds from fire insurance for property and equipment	163
Purchase of property and equipment	(21,332)	(19,917)	(17,041)
Net cash flows used in investing activities	(13,447)	(18,915)	(12,485)
Cash flows from financing activities:
Proceeds from borrowings on revolver and swingline loans	39,000	46,000
Payments on revolver and swingline loan	(21,000)	(20,000)	(22,800)
Minimum tax withholdings related to net share settlements	(243)	(322)	(705)
Common stock dividends paid		(55,574)
Proceeds from issuance of common stock upon exercise of stock options, net of expenses	1,171	1,713	866
Payment of obligations under finance leases	(158)	(162)	(148)
Deferred financing costs for revolver loan		(842)
Repurchases of common stock	(59,216)
Net cash flows used in by financing activities	(40,446)	(29,187)	(22,787)
(Decrease) increase in cash and cash equivalents	(13,205)	(9,553)	16,827
Cash and cash equivalents, beginning of period	20,493	30,046	13,219
Cash and cash equivalents, end of period	7,288	20,493	30,046
Supplemental cash flow information
Cash paid during the period for interest	4,819	1,450	1,066
Cash paid during the period for income taxes	7,721	5,100	5,968
Unpaid purchases of property and equipment	$ 5,098	$ 1,333	$ 2,454