Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	May 02, 2020	Feb. 01, 2020
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets	$ 1,111	$ 832
Finance lease right-of-use assets	118	143
Total lease right-of-use assets	1,229	975
Current portion of operating lease liabilities	503	704
Total operating lease liabilities	1,039	833
Current portion of finance lease liabilities	72	80
Finance lease liabilities, excluding current portion	49	66
Total finance lease liabilities	121	146
Total lease liabilities	1,160	979
Other long term liabilities [Member]
Lessee, Lease, Description [Line Items]
Operating lease liabilities, excluding current portion	$ 536	$ 129