v3.22.2.2
Segment Reporting - Additional Information (Detail)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 31, 2022
USD ($)
Oct. 31, 2021
USD ($)
Oct. 31, 2022
USD ($)
Segment
Oct. 31, 2021
USD ($)
Jan. 31, 2022
USD ($)
Concentration Risk [Line Items]          
Number of reportable segment | Segment     1    
Property and equipment, net $ 10,753   $ 10,753   $ 10,134
Accounts receivable $ 48,556   $ 48,556   $ 44,307
Sales revenue, net [Member] | WT [Member] | Customer concentration risk [Member]          
Concentration Risk [Line Items]          
Percentage of revenue 61.60% 63.10% 59.10% 62.70%  
Sales revenue, net [Member] | Chicony [Member] | Customer concentration risk [Member]          
Concentration Risk [Line Items]          
Percentage of revenue 10.70% 13.40% 11.60% 14.90%  
Accounts receivable [Member] | WT [Member] | Credit concentration risk [Member]          
Concentration Risk [Line Items]          
Accounts receivable $ 25,400   $ 25,400    
Accounts receivable [Member] | Chicony [Member] | Credit concentration risk [Member]          
Concentration Risk [Line Items]          
Accounts receivable $ 8,900   $ 8,900    
Asia Pacific [Member]          
Concentration Risk [Line Items]          
Property and equipment, net   $ 5,300   $ 5,300  
United States [Member]          
Concentration Risk [Line Items]          
Property and equipment, net   3,900   3,900  
Europe [Member]          
Concentration Risk [Line Items]          
Property and equipment, net   $ 1,600   $ 1,600