Financing Arrangements - Schedule of Future Minimum Lease Payments and Present Value of Net Minimum Lease Payments (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2019	Jan. 31, 2018	Jan. 31, 2017
Capital Leases, Future Minimum Payments Due, Rolling Maturity [Abstract]
2020	$ 182
2021	102
2022	44
2023	2
2024	0
Thereafter	0
Capital Leases, Future Minimum Payments, Net Minimum Payments, Rolling Maturity [Abstract]
Minimum lease payments	330
Less amount representing estimated executory costs such as taxes, license and insurance including profit thereon.	(14)
Net minimum lease payments	316
Less amounts representing interest	(32)
Present value of net minimum lease payments	284
Capital Lease Obligations, Current	154
Capital Leases, Income Statement, Amortization Expense	200	$ 65	$ 0
Capital Leases, Income Statement, Interest Expense	$ 39	$ 13	$ 0