Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net income (loss)	$ (13,350)	$ (18,374)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation expense	5,456	5,536
Noncash lease expense	7,295	7,829
Deferred income tax	5	13,580
Stock-based compensation expense	490	459
Asset impairment, store closure and disposal of property and equipment	6,236	87
Other operating activities	20	9
Changes in operating assets and liabilities:
Accounts receivable, net	1,620	(811)
Inventories	228	189
Prepaid expenses and other assets	(3,252)	1,455
Accounts payable	(767)	(130)
Operating lease liabilities	(7,653)	(7,860)
Accrued expenses and other liabilities	(4,144)	(4,342)
Net cash used in operating activities:	(7,816)	(2,373)
Cash flows from investing activities:
Purchases of property and equipment	(4,860)	(2,572)
Net cash used in investing activities:	(4,860)	(2,572)
Cash flows from financing activities:
Borrowings under credit facility	39,786
Proceeds from exercise of stock options		170
Employee taxes on certain stock-based payment arrangements	(71)	(25)
Treasury stock repurchases		(1,144)
Distributions to non-controlling interest	(172)
Contributions from non-controlling interest	143
Net cash provided by (used in) financing activities:	39,686	(999)
Net increase (decrease) in cash and cash equivalents	27,010	(5,944)
Cash and cash equivalents at beginning of period	18,806	19,775
Cash and cash equivalents at end of period	45,816	13,831
Supplemental cash flow information:
Income taxes paid	9	4
Interest paid	25	24
Supplemental non-cash investing and financing activities:
Unpaid liability for purchases of property and equipment	$ 1,091	$ 161