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v3.23.3

Segment Reporting - Additional Information (Detail) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Oct. 31, 2023 USD ($) | Oct. 31, 2022 | Oct. 31, 2023 USD ($) Segment | Oct. 31, 2022 | Jan. 31, 2023 USD ($)
Concentration Risk [Line Items] |  |  |  |  |
Number of reportable segment | Segment |  |  | 1 |  |
Property and equipment, net | $ 10,917 |  | $ 10,917 |  | $ 11,814
Accounts receivable | $ 22,968 |  | $ 22,968 |  | 51,987
Sales revenue, net [Member] | WT [Member] | Customer concentration risk [Member] |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Percentage of revenue | 53.70% | 61.60% | 52.20% | 59.10% |
Sales revenue, net [Member] | Hakuto [Member] | Customer concentration risk [Member] |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Percentage of revenue | 12.00% |  |  |  |
Sales revenue, net [Member] | Chicony [Member] | Customer concentration risk [Member] |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Percentage of revenue | 11.70% | 10.70% | 13.90% | 11.60% |
Accounts receivable [Member] | WT [Member] | Credit concentration risk [Member] |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Accounts receivable | $ 8,100 |  | $ 8,100 |  |
Accounts receivable [Member] | Hakuto [Member] | Credit concentration risk [Member] |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Accounts receivable | 1,100 |  | 1,100 |  |
Accounts receivable [Member] | Chicony [Member] | Credit concentration risk [Member] |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Accounts receivable | 6,000 |  | 6,000 |  |
Asia Pacific [Member] |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Property and equipment, net | 5,700 |  | 5,700 |  | 6,300
United States [Member] |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Property and equipment, net | 3,900 |  | 3,900 |  | 4,000
Europe [Member] |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Property and equipment, net | $ 1,300 |  | $ 1,300 |  | $ 1,500

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