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)

v3.21.2
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 9 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Oct. 31, 2021
Oct. 31, 2020
Segment Reporting Information [Line Items]        
Total revenue $ 7,151 $ 4,966 $ 18,743 $ 16,876
North America [Member]        
Segment Reporting Information [Line Items]        
Total revenue $ 4,683 $ 2,038 $ 11,713 $ 7,934
North America [Member] | Customer Concentration Risk [Member] | Total Revenue [Member]        
Segment Reporting Information [Line Items]        
% of total revenues 65.00% 41.00% 63.00% 47.00%
Europe and Middle East [Member]        
Segment Reporting Information [Line Items]        
Total revenue $ 1,770 $ 2,007 $ 5,310 $ 6,139
Europe and Middle East [Member] | Customer Concentration Risk [Member] | Total Revenue [Member]        
Segment Reporting Information [Line Items]        
% of total revenues 25.00% 40.00% 28.00% 36.00%
Latin America [Member]        
Segment Reporting Information [Line Items]        
Total revenue $ 502 $ 726 $ 1,193 $ 2,202
Latin America [Member] | Customer Concentration Risk [Member] | Total Revenue [Member]        
Segment Reporting Information [Line Items]        
% of total revenues 7.00% 15.00% 6.00% 13.00%
Asia Pacific [Member]        
Segment Reporting Information [Line Items]        
Total revenue $ 196 $ 195 $ 527 $ 601
Asia Pacific [Member] | Customer Concentration Risk [Member] | Total Revenue [Member]        
Segment Reporting Information [Line Items]        
% of total revenues 3.00% 4.00% 3.00% 4.00%