Selected Quarterly Data - Schedule of Selected Quarterly Data (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
Feb. 01, 2020	Nov. 02, 2019	Aug. 03, 2019	May 04, 2019	Feb. 02, 2019	Oct. 03, 2018	Jul. 03, 2018	Apr. 03, 2018	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Quarterly Financial Information Disclosure [Abstract]
Sales	$ 131,239	$ 106,581	$ 123,245	$ 112,973	$ 131,150	$ 107,069	$ 122,206	$ 113,331	$ 474,038	$ 473,756	$ 467,976
Gross profit	56,414	43,805	54,569	49,413	57,016	47,060	56,525	50,688	204,201	211,289	210,357
Operating income (loss)	3,332	(6,369)	881	(2,238)	(6,441)	(1,229)	(222)	(2,226)	(4,394)	(10,119)	(18,041)
Income (loss) before taxes	2,620	(7,239)	30	(3,102)	(7,261)	(2,027)	(1,180)	(3,112)	(7,691)	(13,581)	(21,398)
Provision (benefit) for income taxes	183	(49)	(8)	(21)	(31)	(22)	5	(2)	105	(50)	(2,572)
Net loss	$ 2,437	$ (7,190)	$ 38	$ (3,081)	$ (7,230)	$ (2,005)	$ (1,185)	$ (3,110)	$ (7,796)	$ (13,531)	$ (18,826)
Income (loss) per share – basic and diluted	$ 0.05	$ (0.14)	$ 0.00	$ (0.06)	$ (0.15)	$ (0.04)	$ (0.02)	$ (0.06)	$ (0.16)	$ (0.28)	$ (0.39)

The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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