Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 29, 2021	Sep. 29, 2021	Sep. 23, 2020
Cash flows from operating activities:
Net income	$ 10,161	$ 22,943	$ 19,019
Adjustments to reconcile net income to net cash flows provided by operating activities:
Depreciation and amortization	3,685	11,540	12,629
Bad debt expense			190
Stock-based compensation expense	1,000	2,936	2,170
Income tax receivable agreement (income) expense	(19)	(69)	26
Loss on disposition of restaurants	10	1,534
Loss on disposal of assets	83	194	156
Impairment of property and equipment	100	701	3,478
Amortization of deferred financing costs		188	189
Deferred income taxes, net		2,026	(110)
Changes in operating assets and liabilities:
Accounts and other receivables		(1,547)	(2,527)
Inventories		(27)	72
Prepaid expenses and other current assets		825	3,163
Income taxes payable		3,616	2,264
Other assets		289	159
Accounts payable		(507)	476
Accrued salaries and vacation		(2,116)	1,311
Accrued insurance		615	816
Other accrued expenses and liabilities		(809)	(9,962)
Net cash flows provided by operating activities		42,332	33,519
Cash flows from investing activities:
Proceeds from disposition of restaurants		4,556
Purchase of property and equipment		(12,699)	(4,349)
Net cash flows used in investing activities		(8,143)	(4,349)
Cash flows from financing activities:
Proceeds from borrowings on revolver and swingline loans			52,500
Payments on revolver and swingline loan		(22,800)	(65,700)
Minimum tax withholdings related to net share settlements		(705)	(331)
Proceeds from issuance of common stock upon exercise of stock options, net of expenses		866	5,846
Payment of obligations under finance leases		(100)	(26)
Net cash flows used in financing activities		(22,739)	(7,711)
Increase in cash and cash equivalents		11,450	21,459
Cash and cash equivalents, beginning of period		13,219	8,070
Cash and cash equivalents, end of period	$ 24,669	24,669	29,529
Supplemental cash flow information
Cash paid during the period for interest		828	2,381
Cash paid during the period for income taxes		4,088	1,632
Unpaid purchases of property and equipment		$ 2,259	$ 881