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)

v3.23.1
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, 2023
Apr. 30, 2022
Disaggregation of Revenue [Line Items]    
Total revenue $ 6,992 $ 6,723
Product [Member]    
Disaggregation of Revenue [Line Items]    
Total revenue 1,540 2,826
Service [Member]    
Disaggregation of Revenue [Line Items]    
Total revenue 5,452 3,897
Transferred at a Point in Time [Member] | Product [Member]    
Disaggregation of Revenue [Line Items]    
Total revenue 699 576
Transferred Over Time [Member] | Product [Member]    
Disaggregation of Revenue [Line Items]    
Total revenue 841 2,250
Transferred Over Time [Member] | Service [Member]    
Disaggregation of Revenue [Line Items]    
Total revenue $ 5,452 $ 3,897