Disaggregated Revenue and Geographic Information - Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022
Segment Reporting Information [Line Items]
Total revenue	$ 32,493	$ 27,310
North America [Member]
Segment Reporting Information [Line Items]
Total revenue	$ 19,847	$ 17,775
North America [Member] | Customer Concentration Risk [Member] | Total Revenue [Member]
Segment Reporting Information [Line Items]
Concentration risk percentage	61.00%	65.00%
Europe and Middle East [Member]
Segment Reporting Information [Line Items]
Total revenue	$ 6,508	$ 6,530
Europe and Middle East [Member] | Customer Concentration Risk [Member] | Total Revenue [Member]
Segment Reporting Information [Line Items]
Concentration risk percentage	20.00%	24.00%
Latin America [Member]
Segment Reporting Information [Line Items]
Total revenue	$ 5,512	$ 2,168
Latin America [Member] | Customer Concentration Risk [Member] | Total Revenue [Member]
Segment Reporting Information [Line Items]
Concentration risk percentage	17.00%	8.00%
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Total revenue	$ 626	$ 837
Asia Pacific [Member] | Customer Concentration Risk [Member] | Total Revenue [Member]
Segment Reporting Information [Line Items]
Concentration risk percentage	2.00%	3.00%