v3.21.1

Leases - Narrative (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2021		Feb. 01, 2020	Jan. 31, 2020	[1]
Lessee, Lease, Description [Line Items]
Weighted average remaining lease term of operating leases	2 years 7 months 6 days
Weighted average discount rate of operating leases	3.50%
Weighted average remaining lease term of finance leases	2 years 8 months 12 days
Weighted average discount rate of finance leases	4.40%
Lease right-of-use assets	$ 2,654	[1]	$ 2,741	$ 0
Operating cash used for operating leases	1,629
Subscription And Related Services
Lessee, Lease, Description [Line Items]
Subscription and related services revenue	$ 6,312
Computer equipment | Minimum
Lessee, Lease, Description [Line Items]
Lease period	2 years
Computer equipment | Maximum
Lessee, Lease, Description [Line Items]
Lease period	3 years
[1] Figures as of January 31, 2021 reflect the Company's February 1, 2020 adoption of Accounting Standards Codification No. 842, Leases (ASC 842). For additional details, see Note 3(ac), "Summary of significant accounting policies — Impact of recently adopted accounting pronouncements."

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- Definition

Weighted average discount rate for finance lease calculated at point in time.

+ References

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Amount of lease income from operating, direct financing, and sales-type leases. Includes, but is not limited to, variable lease payments, interest income, profit (loss) recognized at commencement, and lease payments paid and payable to lessor.

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