Quarterly report pursuant to Section 13 or 15(d)

Disaggregated Revenue and Geographic Information - Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area (Parenthetical) (Detail)

v3.22.2.2
Disaggregated Revenue and Geographic Information - Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area (Parenthetical) (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Jul. 31, 2022
Jul. 31, 2021
Segment Reporting Information [Line Items]        
Total revenues $ 7,324 $ 6,540 $ 14,047 $ 11,592
United States Revenue [Member]        
Segment Reporting Information [Line Items]        
Total revenues $ 2,706 $ 3,697 $ 6,580 $ 5,895
Total Revenue [Member] | Customer Concentration Risk [Member] | United States Revenue [Member]        
Segment Reporting Information [Line Items]        
% of total revenue 37.00% 57.00% 47.00% 51.00%