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Debt - Components of Long-Term Debt (Details) - USD ($)
$ in Thousands
Oct. 31, 2020
Feb. 01, 2020
Debt Instrument [Line Items]    
Less: unamortized debt issuance costs $ (145) $ (187)
Total long-term debt 14,855 14,813
Long-term debt, net of current portion 14,855 14,813
FILO Loan    
Debt Instrument [Line Items]    
Long-term debt $ 15,000 $ 15,000