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 (Detail)

v3.22.2.2
Disaggregated Revenue and Geographic Information - Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area (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 revenue $ 7,324 $ 6,540 $ 14,047 $ 11,592
North America [Member]        
Segment Reporting Information [Line Items]        
Total revenue $ 3,146 $ 4,329 $ 7,474 $ 7,030
North America [Member] | Customer Concentration Risk [Member] | Total Revenue [Member]        
Segment Reporting Information [Line Items]        
% of total revenues 43.00% 66.00% 53.00% 61.00%
Europe and Middle East [Member]        
Segment Reporting Information [Line Items]        
Total revenue $ 1,326 $ 1,579 $ 2,719 $ 3,540
Europe and Middle East [Member] | Customer Concentration Risk [Member] | Total Revenue [Member]        
Segment Reporting Information [Line Items]        
% of total revenues 18.00% 24.00% 19.00% 31.00%
Latin America [Member]        
Segment Reporting Information [Line Items]        
Total revenue $ 2,545 $ 478 $ 3,306 $ 691
Latin America [Member] | Customer Concentration Risk [Member] | Total Revenue [Member]        
Segment Reporting Information [Line Items]        
% of total revenues 35.00% 7.00% 24.00% 6.00%
Asia Pacific [Member]        
Segment Reporting Information [Line Items]        
Total revenue $ 307 $ 154 $ 548 $ 331
Asia Pacific [Member] | Customer Concentration Risk [Member] | Total Revenue [Member]        
Segment Reporting Information [Line Items]        
% of total revenues 4.00% 3.00% 4.00% 2.00%