CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 27, 2024	Mar. 29, 2023
Cash flows from operating activities:
Net income	$ 5,912	$ 4,918
Adjustments to reconcile net income to net cash flows provided by operating activities:
Depreciation and amortization	3,851	3,637
Stock-based compensation expense	920	771
Income tax receivable agreement income		(122)
Fire insurance proceeds for expenses paid and lost profit		151
Gain on disposition of restaurants		(136)
Loss on disposal of assets	41	30
Gain on recovery of insurance proceeds, property, equipment and expenses, net		(242)
Impairment of property and equipment	0	40
Amortization of deferred financing costs	48	58
Deferred income taxes, net	(65)	723
Changes in operating assets and liabilities:
Accounts and other receivables	(312)	(2,218)
Inventories	175	335
Prepaid expenses and other current assets	273	(1,073)
Income taxes payable	2,115	1,142
Other assets	(67)	(51)
Accounts payable	(2,732)	(806)
Accrued salaries and vacation	(2,455)	(1,733)
Accrued insurance	(92)	173
Other accrued expenses and liabilities	3,551	(1,778)
Net cash flows provided by operating activities	11,163	3,819
Cash flows from investing activities:
Proceeds from disposition of restaurants		162
Proceeds from fire insurance for property and equipment	41	138
Purchase of property and equipment	(4,162)	(5,980)
Net cash flows used in investing activities	(4,121)	(5,680)
Cash flows from financing activities:
Payments on revolver and swingline loan	(4,000)	(8,000)
Proceeds from issuance of common stock upon exercise of stock options, net of expenses		43
Payment of obligations under finance leases	(48)	(38)
Repurchases of common stock	(1,161)	(5,848)
Net cash flows used in by financing activities	(5,209)	(13,843)
Increase (decrease) in cash and cash equivalents	1,833	(15,704)
Cash and cash equivalents, beginning of period	7,288	20,493
Cash and cash equivalents, end of period	9,121	4,789
Supplemental cash flow information
Cash paid during the period for interest	1,595	1,014
Unpaid purchases of property and equipment	7,105	3,872
Unpaid repurchases of common stock	$ 65	$ 425