Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jul. 02, 2019
Operating activities
Net loss	$ (19,313)	$ (1,413)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	10,732	11,168
Deferred income taxes	47	0
Restaurant impairments, closure costs and asset disposals	3,029	2,784
Amortization of debt issuance costs	149	250
Stock-based compensation	1,253	1,841
Changes in operating assets and liabilities:
Accounts receivable	1,190	(143)
Inventories	306	(347)
Prepaid expenses and other assets	87	(904)
Accounts payable	2,722	(1,332)
Income taxes	(77)	(6)
Operating lease assets and liabilities	7,507	(407)
Accrued expenses and other liabilities	(925)	(2,483)
Net cash provided by operating activities	6,707	9,008
Investing activities
Purchases of property and equipment	(6,810)	(8,217)
Proceeds from Sale of Property, Plant, and Equipment	0	352
Franchise restaurant acquisition, net of cash acquired	0	(1,387)
Net cash used in investing activities	(6,810)	(9,252)
Financing activities
Proceeds from issuance of long-term debt	55,500	0
Payments on long-term debt	(2,375)	(500)
Payments on finance leases	(402)	(338)
Debt issuance costs	(731)	0
Stock plan transactions and tax withholding on share-based compensation awards	(272)	(235)
Net cash provided by (used in) financing activities	51,720	(1,073)
Net increase (decrease) in cash and cash equivalents	51,617	(1,317)
Cash and cash equivalents
Beginning of period	10,459	4,655
End of period	$ 62,076	$ 3,338