Stock-Based Compensation - Additional Information (Details) - USD ($)	3 Months Ended	9 Months Ended
Oct. 31, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019
2012 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted (in shares)	0	0	0	13,858
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Forfeitures	$ 2,300	$ 36,000	$ 900,000	$ 1,800,000
Compensation costs not yet recognized	$ 5,300,000		$ 5,300,000
Weighted-average period for recognition			2 years 6 months
Number of shares granted (in shares)	0	6,934	337,749	229,528
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs not yet recognized	$ 0		$ 0
Options granted (in shares)	0	0	27,000	16,798
Weighted-average grant date fair value of stock options (in dollars per share)			$ 3.33	$ 5.46

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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The total value of forfeitures related to restricted stock awards forfeited during the period.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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