Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	May 02, 2020	May 04, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows used for operating leases	$ 338	$ 264
Operating cash flows used for finance leases	2	1
Financing cash flows used for finance leases	25	3
Right-of-use assets obtained In exchange for lease liabilities:
Operating leases	532	0
Finance leases	$ 0	$ 0