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Commitments and Contingencies (Details) - USD ($)
$ in Thousands
12 Months Ended
Feb. 02, 2019
Feb. 03, 2018
Operating Leases Future Minimum Payments Due [Abstract]    
Fiscal 2020 $ 854  
Fiscal 2021 865  
Fiscal 2022 876  
Fiscal 2023 857  
Fiscal 2024 863  
Thereafter 1,673  
Total future minimum lease payments 5,988  
Rent and operating lease expense    
Rent expense $ 800 $ 900