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Selected Quarterly Data - Schedule of Selected Quarterly Data (Detail) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
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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)

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