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Segment Reporting - Additional Information (Detail) $ in Thousands | 3 Months Ended |
--- | --- | ---
Apr. 30, 2024 USD ($) Segment | Apr. 30, 2023 | Jan. 31, 2024 USD ($)
Concentration Risk [Line Items] |  |  |
Number of reportable segment | Segment | 1 |  |
Property and equipment, net | $ 9,763 |  | $ 10,439
Accounts receivable | $ 28,299 |  | 24,950
Sales revenue, net [Member] | WT [Member] | Customer concentration risk [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Percentage of revenue | 62.00% | 49.00% |
Sales revenue, net [Member] | Chicony [Member] | Customer concentration risk [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Percentage of revenue | 13.00% | 16.00% |
Sales revenue, net [Member] | Motorola [Member] | Customer concentration risk [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Percentage of revenue |  | 11.00% |
Accounts receivable [Member] | WT [Member] | Credit concentration risk [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Accounts receivable | $ 13,800 |  | 10,300
Accounts receivable [Member] | Chicony [Member] | Credit concentration risk [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Accounts receivable | 7,400 |  | 7,000
Asia Pacific [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Property and equipment, net | 4,900 |  | 5,300
United States [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Property and equipment, net | 3,700 |  | 3,900
Europe [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Property and equipment, net | $ 1,200 |  | $ 1,200

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