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Segment Reporting - Additional Information (Detail) $ in Thousands	12 Months Ended
	Jan. 31, 2022 USD ($) Segment	Jan. 31, 2021 USD ($)	Jan. 31, 2020
Concentration Risk [Line Items]
Number of reportable segments \| Segment	1
Property and equipment, net	$ 10,134	$ 5,530
Accounts receivable	$ 44,307	$ 24,974
Sales revenue, net [Member] \| Wintech [Member] \| Customer concentration risk [Member]
Concentration Risk [Line Items]
Percentage of revenue	62.00%	63.00%	60.00%
Sales revenue, net [Member] \| Chicony [Member] \| Customer concentration risk [Member]
Concentration Risk [Line Items]
Percentage of revenue	13.00%	16.00%	18.00%
Accounts receivable [Member] \| Wintech [Member] \| Credit concentration risk [Member]
Concentration Risk [Line Items]
Accounts receivable	$ 23,300	$ 12,000
Accounts receivable [Member] \| Chicony [Member] \| Credit concentration risk [Member]
Concentration Risk [Line Items]
Accounts receivable	7,400	8,600
United States [Member]
Concentration Risk [Line Items]
Property and equipment, net	3,100	2,000
Asia Pacific [Member]
Concentration Risk [Line Items]
Property and equipment, net	5,600	2,400
Europe [Member]
Concentration Risk [Line Items]
Property and equipment, net	$ 1,500	$ 1,100