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Debt Obligations - Components of Long-Term Debt (Details) - USD ($)
$ in Thousands
Feb. 02, 2019
Feb. 03, 2018
Debt Instrument [Line Items]    
Less: unamortized debt issuance costs $ (243) $ (190)
Total long-term debt 14,757 12,061
Less: current portion of long-term debt   1,392
Long-term debt, net of current portion 14,757 10,669
FILO Loan    
Debt Instrument [Line Items]    
Long-term debt $ 15,000  
Equipment financing notes    
Debt Instrument [Line Items]    
Long-term debt   501
Term loan, due 2019    
Debt Instrument [Line Items]    
Long-term debt   $ 11,750