Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2019	Apr. 03, 2018
Operating activities
Net loss	$ (1,851)	$ (3,575)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	5,507	5,820
Deferred income taxes	0	(245)
Restaurant impairments, closure costs and asset disposals	145	1,419
Amortization of debt issuance costs	125	210
Stock-based compensation	726	580
Changes in operating assets and liabilities:
Accounts receivable	362	745
Inventories	(223)	(44)
Prepaid expenses and other assets	50	651
Accounts payable	2,798	539
Deferred rent	15	(288)
Income taxes	(6)	(26)
Operating lease assets and liabilities	(343)	0
Accrued expenses and other liabilities	(7,191)	(6,790)
Net cash used in operating activities	114	(1,004)
Investing activities
Purchases of property and equipment	(4,164)	(4,805)
Franchise restaurant acquisition, net of cash acquired	(1,387)	0
Net cash used in investing activities	(5,551)	(4,805)
Financing activities
Net (payments) borrowings from swing line loan	3,071	5,038
Payments on long-term debt	(313)	0
Payments on finance leases	(197)	0
Proceeds from exercise of stock options and employee stock purchase plan	21	35
Debt issuance costs	0	(1)
Net cash provided by financing activities	2,582	5,072
Net (decrease) increase in cash and cash equivalents	(2,855)	(737)
Cash and cash equivalents
Beginning of period	4,655	3,361
End of period	$ 1,800	$ 2,624