CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2022	Dec. 29, 2021	Dec. 30, 2020
Cash flows from operating activities:
Net income	$ 20,801	$ 29,121	$ 24,474
Adjustments to reconcile net income to net cash flows provided by operating activities:
Depreciation and amortization	14,418	15,176	16,878
Bad debt expense			190
Stock-based compensation expense	3,491	3,220	3,093
Income tax receivable agreement (income) expense	(436)	58	139
(Gain) loss on disposition of restaurants	(848)	1,534
Loss on disposal of assets	165	289	189
Impairment of property and equipment	481	711	3,498
Amortization of deferred financing costs	340	251	252
Deferred income taxes, net	4,600	957	4,008
Changes in operating assets and liabilities:
Accounts and other receivables	3,323	(3,444)	(1,155)
Inventories	(125)	(218)	(92)
Prepaid expenses and other current assets	71	133	1,853
Income taxes (receivable) payable	(1,657)	3,410	(2,145)
Other assets	(240)	(1,052)	(13)
Accounts payable	3,977	2,533	666
Accrued salaries and vacation	(2,667)	1,373	1,548
Accrued insurance	(73)	777	976
Payment related to tax receivable agreement	(430)	(1,658)	(5,237)
Other accrued expenses and liabilities	(6,642)	(1,072)	(8,575)
Net cash flows provided by operating activities	38,549	52,099	40,547
Cash flows from investing activities:
Proceeds from disposition of restaurants	1,002	4,556
Purchase of property and equipment	(19,917)	(17,041)	(6,690)
Net cash flows used in investing activities	(18,915)	(12,485)	(6,690)
Cash flows from financing activities:
Proceeds from borrowings on revolver and swingline loans	46,000		59,500
Payments on revolver and swingline loan	(20,000)	(22,800)	(93,700)
Minimum tax withholdings related to net share settlements	(322)	(705)	(335)
Proceeds from issuance of common stock upon exercise of stock options, net of expenses	1,713	866	5,866
Common stock dividends paid	(55,574)
Payment of obligations under finance leases	(162)	(148)	(39)
Deferred financing costs for revolver loan	(842)
Net cash flows used in financing activities	(29,187)	(22,787)	(28,708)
(Decrease) increase in cash and cash equivalents	(9,553)	16,827	5,149
Cash and cash equivalents, beginning of period	30,046	13,219	8,070
Cash and cash equivalents, end of period	20,493	30,046	13,219
Supplemental cash flow information
Cash paid during the period for interest	1,450	1,066	2,956
Cash paid during the period for income taxes	5,100	5,968	4,225
Unpaid purchases of property and equipment	$ 1,333	$ 2,454	$ 1,925