Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Jul. 31, 2021	Jan. 30, 2021
Operating lease right-of-use assets	$ 3,773	$ 1,116
Finance lease right-of-use assets	51	101
Total lease right-of-use assets	3,824	1,217
Current portion of operating lease liabilities	1,036	462
Operating Lease, Liability, Total	3,879	1,108
Current portion of finance lease liabilities	49	86
Finance lease liabilities, excluding current portion	3	19
Total finance lease liabilities	52	105
Total lease liabilities	3,931	1,213
Other long term liabilities [Member]
Operating lease liabilities, excluding current portion	$ 2,843	$ 646