Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Apr. 02, 2019
Operating activities
Net loss	$ (5,835)	$ (1,851)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	5,335	5,507
Deferred income taxes	13	0
Restaurant impairments, closure costs and asset disposals	750	145
Amortization of debt issuance costs	73	125
Stock-based compensation	159	726
Changes in operating assets and liabilities:
Accounts receivable	1,577	362
Inventories	304	(223)
Prepaid expenses and other assets	1,131	50
Accounts payable	(106)	2,798
Income taxes	(52)	(6)
Operating lease assets and liabilities	2,885	(328)
Accrued expenses and other liabilities	(6,892)	(7,191)
Net cash (used in) provided by operating activities	(658)	114
Investing activities
Purchases of property and equipment	(3,919)	(4,164)
Franchise restaurant acquisition, net of cash acquired	0	(1,387)
Net cash used in investing activities	(3,919)	(5,551)
Financing activities
Net payments from swing line loan	0	3,071
Proceeds from issuance of long-term debt	47,000	0
Payments on long-term debt	(2,188)	(313)
Payments on finance leases	(163)	(197)
Stock plan transactions and tax withholding on share-based compensation awards	(1)	21
Net cash provided by financing activities	44,648	2,582
Net increase (decrease) in cash and cash equivalents	40,071	(2,855)
Cash and cash equivalents
Beginning of period	10,459	4,655
End of period	$ 50,530	$ 1,800