Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Oct. 01, 2019	Oct. 02, 2018
Operating activities
Net loss	$ 2,830	$ (8,460)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	16,626	17,407
Deferred income taxes	64	(263)
Restaurant impairments, closure costs and asset disposals	3,647	5,289
Loss on extinguishment of debt	0	626
Amortization of debt issuance costs	374	484
Stock-based compensation	1,780	2,232
Gain on insurance proceeds received for property damage	0	(373)
Changes in operating assets and liabilities:
Accounts receivable	122	489
Inventories	(349)	(647)
Prepaid expenses and other assets	(1,062)	(402)
Accounts payable	(864)	(2,172)
Deferred rent	0	(1,278)
Income taxes	(6)	(46)
Operating lease assets and liabilities	(1,749)	0
Accrued expenses and other liabilities	(5,144)	(17,754)
Net cash provided by operating activities	16,269	(4,868)
Investing activities
Purchases of property and equipment	(13,788)	(9,937)
Insurance proceeds received for property damage	0	500
Proceeds from disposal of property and equipment	352	0
Franchise restaurant acquisition, net of cash acquired	(1,387)	0
Net cash used in investing activities	(14,823)	(9,437)
Financing activities
Net payments from swing line loan	0	(101)
Proceeds from issuance of long-term debt	0	74,889
Payments on long-term debt	(2,188)	(84,030)
Payments on finance leases	(543)	0
Issuance of common stock, net of transaction expenses	0	23,157
Stock plan transactions and tax withholding on share based compensation awards	(284)	654
Debt issuance costs	0	(1,707)
Net cash (used in) provided by financing activities	(3,015)	12,862
Net (decrease) increase in cash and cash equivalents	(1,569)	(1,443)
Cash and cash equivalents
Beginning of period	4,655	3,361
End of period	$ 3,086	$ 1,918