Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jul. 29, 2017	Jul. 30, 2016
Cash flows from operating activities:
Net loss	$ (5,207)	$ (2,651)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation of property and equipment	13,035	12,268
Amortization of deferred rent	(3,744)	(2,406)
Amortization of debt issue costs	27	58
Loss on disposal of property and equipment	120	151
Stock-based compensation expense	1,184	1,704
Deferred income taxes	1,869	321
Changes in assets and liabilities:
Inventories, net	2,056	(5,944)
Prepaid expenses and other current assets	(628)	(296)
Other noncurrent assets	(1,015)	(1,037)
Accounts payable	(3,402)	3,231
Accounts payable to related party vendor	(390)	1,059
Income taxes refundable	(11,446)	(9,235)
Accrued expenses and other current and noncurrent liabilities	6,149	7,980
Net cash (used in) provided by operating activities	(1,392)	5,203
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]
Proceeds from sale of property and equipment	0	4
Capital expenditures	(13,830)	(19,633)
Net cash used in investing activities	(13,830)	(19,629)
Cash flows from financing activities:
Refinancing costs	0	(271)
Cash used in net share settlement of stock options and restricted stock	(193)	(263)
Employee stock purchases	172	189
Net cash used in financing activities	(21)	(345)
Cash and cash equivalents:
Net decrease	(15,243)	(14,771)
Beginning of the period	63,937	44,352
End of the period	48,694	29,581
Supplemental schedule of non-cash activities:
Non-cash accruals for purchases of property and equipment	$ 1,037	$ 1,977