Property and Equipment, Net - Schedule of Property and Equipment (Detail) - USD ($) $ in Thousands	Jul. 31, 2022	Jan. 31, 2022
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 31,199	$ 29,265
Less: accumulated depreciation and amortization	(20,756)	(19,131)
Total property and equipment, net	10,443	10,134
Computer hardware and software [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	18,083	16,488
Tools and equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	7,728	7,532
Furniture and fixtures [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	1,256	1,243
Leasehold improvements [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	3,080	2,942
Construction in progress [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 1,052	$ 1,060

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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