Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 27, 2022	Sep. 28, 2021
Operating activities
Net (loss) income	$ (4,289)	$ 8,403
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	17,310	16,734
Deferred income taxes	(41)	41
Restaurant impairments, closure costs and asset disposals	1,688	1,441
Amortization of debt issuance costs	627	333
Stock-based compensation	3,354	3,436
Gain on insurance proceeds	0	(406)
Changes in operating assets and liabilities:
Accounts receivable	(1,210)	(431)
Inventories	(709)	(221)
Prepaid expenses and other assets	923	(1,893)
Accounts payable	(592)	3,149
Income taxes	(119)	(22)
Operating lease assets and liabilities	(2,440)	(649)
Accrued expenses and other liabilities	(6,682)	(19)
Net cash provided by operating activities	7,820	29,896
Investing activities
Purchases of property and equipment	(22,549)	(12,965)
Insurance proceeds received for property damage	0	406
Proceeds from restaurant divestitures	1,577	0
Net cash used in investing activities	(20,972)	(12,559)
Financing activities
Net borrowings from swing line loan	4,967	0
Proceeds from borrowings on long-term debt	43,512	0
Payments on long-term debt	(32,850)	(20,118)
Debt issuance costs	(1,077)	0
Payments on finance leases	(1,442)	(1,429)
Stock plan transactions and tax withholding on share-based compensation awards	(373)	(481)
Net cash provided by (used in) financing activities	12,737	(22,028)
Net decrease in cash and cash equivalents	(415)	(4,691)
Cash and cash equivalents
Beginning of period	2,255	7,840
End of period	$ 1,840	$ 3,149