Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2019	Jan. 02, 2018	Jan. 03, 2017
Operating activities
Net loss	$ (8,441)	$ (37,482)	$ (71,677)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	22,872	24,613	28,134
Deferred income taxes, net	(283)	(228)	1,099
Restaurant impairments, closure costs and asset disposals	6,992	30,859	45,536
Loss on extinguishment of debt	626	0	0
Amortization of debt issuance costs	607	465	140
Stock-based compensation	2,979	1,514	2,319
Loss on liquidation of Canadian subsidiary	0	70	0
Gain on insurance proceeds received for property damage	(370)	0	(494)
Changes in operating assets and liabilities:
Accounts receivable	91	2,976	(443)
Inventories	(541)	(387)	(790)
Prepaid expenses and other assets	185	332	162
Accounts payable	(1,580)	(1,302)	(2,440)
Deferred rent	(1,396)	1,597	5,328
Income taxes	(109)	180	564
Accrued expenses and other liabilities	(16,286)	(19,105)	17,299
Net cash provided by operating activities	5,346	4,102	24,737
Investing activities
Purchases of property and equipment	(14,338)	(20,828)	(43,335)
Insurance proceeds received for property damage	500	0	578
Net cash used in investing activities	(13,838)	(20,828)	(42,757)
Financing activities
Net (repayments) borrowings from swing line loan	(101)	(96)	(1,649)
Proceeds from borrowings on long-term debt	74,889	10,532	19,800
Payments on long-term debt	(87,030)	(37,015)	(1,000)
Debt issuance costs	(1,713)	(938)	(347)
Issuance of preferred stock and common stock warrants, net of transaction expenses	0	16,589	0
Issuance of common stock, net of transaction expenses	22,992	29,110	0
Proceeds from exercise of stock options and employee stock purchase plan	749	83	1,100
Net cash provided by financing activities	9,786	18,265	17,904
Effect of exchange rate changes on cash	0	(15)	41
Net increase (decrease) in cash and cash equivalents	1,294	1,524	(75)
Cash and cash equivalents
Beginning of year	3,361	1,837	1,912
End of year	$ 4,655	$ 3,361	$ 1,837