CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - USD ($) $ in Thousands	Aug. 04, 2018	Feb. 03, 2018
Statement Of Financial Position [Abstract]
Property and equipment, accumulated depreciation and amortization	$ 103,299	$ 98,024
Deferred line of credit financing costs, accumulated amortization	875	829
Other intangible assets, accumulated amortization	$ 938	$ 907
Preferred stock, shares authorized	1,656,381	1,656,381
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	14,805,049	14,684,117
Common stock, shares outstanding	14,805,049	14,684,117