Operating Leases - Additional Information (Detail) $ in Thousands	12 Months Ended
	Jan. 31, 2022 USD ($) Sublease_agreement
Significant Accounting Policies [Line Items]
Net gain (loss) on termination of lease	$ 328
Number of operating sublease agreements | Sublease_agreement	2
Sublease income	$ 77
Termination Agreement [Member]
Significant Accounting Policies [Line Items]
Termination payment made	400
Non cash gain on operating lease	300
Net gain (loss) on termination of lease	$ (100)