Leases - Future Maturities of Lease Liabilities (Details) - USD ($) $ in Thousands	Oct. 31, 2020	Feb. 01, 2020
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2020	$ 272
2021	518
2022	313
2023	250
2024	141
Thereafter	0
Total lease payments	1,494
Less imputed interest	(135)
Total lease liabilities	1,359	$ 833
Finance Lease, Liability, Payment, Due [Abstract]
2020	30
2021	90
2022	18
2023	0
2024	0
Thereafter	0
Total lease payments	138
Less imputed interest	(5)
Total lease liabilities	$ 133	$ 146