Leases Prior Year Operating Lease Future Minimum Payments (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2019	Jan. 31, 2018
Leases [Abstract]
Fiscal 2020	$ 2,213
Fiscal 2021	1,939
Fiscal 2022	728
Fiscal 2023	356
Fiscal 2024	140
Operating Leases, Future Minimum Payments, Due Thereafter	0
Operating Leases, Future Minimum Payments Due, Total	5,376
Operating Leases, Total Rent and Lease Expense	2,897	$ 2,104
Capital Leases, Income Statement, Amortization Expense	200	65
Capital Leases, Income Statement, Interest Expense	39	$ 13
Capital Leases, Future Minimum Payments Due, Next Twelve Months	182
Capital Leases, Future Minimum Payments Due in Two Years	102
Capital Leases, Future Minimum Payments Due in Three Years	44
Capital Leases, Future Minimum Payments Due in Four Years	2
Capital Leases, Future Minimum Payments Due in Five Years	0
Capital Leases, Future Minimum Payments Due Thereafter	0
Capital Leases, Future Minimum Payments Due, Total	330
Capital Leases, Future Minimum Payments, Executory Costs	14
Capital Leases, Future Minimum Payments, Interest Included in Payments	32
Capital Lease Obligations	$ (284)