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Debt - Components of Long-Term Debt (Details) - USD ($) $ in Thousands	Jul. 31, 2021	Jan. 30, 2021	May 24, 2018
Debt Instrument [Line Items]
Less: unamortized debt issuance costs	$ (666)	$ (131)
Total long-term debt	16,834	14,869
Less: current portion of long-term debt, net of debt issuance costs	(293)
Long-term debt, net of current portion	16,541	14,869
FILO Loan - Existing
Debt Instrument [Line Items]
Long-term debt		$ 15,000	$ 15,000
FILO Loan - New
Debt Instrument [Line Items]
Long-term debt	$ 17,500