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Employee Stock Purchase Plan (Details) - USD ($) shares in Thousands, $ in Thousands | 1 Months Ended | 12 Months Ended
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Jun. 30, 2015 | Jan. 29, 2022 | Jan. 30, 2021 | Feb. 01, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Stock-based compensation expense |  | $ 3,328 | $ 3,302 | $ 2,104
Employee Stock Plans |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Number of shares granted under ESPP | 800 |  |  |
Percentage of market value per share fixed as purchase price | 85.00% |  |  |
Stock-based compensation expense |  | $ 35 | $ 212 | $ 133

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