Quarterly report pursuant to Section 13 or 15(d)

Disaggregated Revenue and Geographic Information - Schedule of Disaggregates Revenue by Timing of Transfer of Goods or Services (Detail)

v3.22.1
Disaggregated Revenue and Geographic Information - Schedule of Disaggregates Revenue by Timing of Transfer of Goods or Services (Detail) - USD ($)
$ in Thousands
3 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Disaggregation Of Revenue [Line Items]    
Total revenue $ 6,723 $ 5,052
Product [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 2,826 1,620
Service [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 3,897 3,432
Transferred at a Point in Time [Member] | Product [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 2,250 1,016
Transferred Over Time [Member] | Product [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 576 604
Transferred Over Time [Member] | Service [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue $ 3,897 $ 3,432