Disaggregated Revenue and Geographic Information - Schedule of Disaggregates Revenue by Revenue Stream (Detail) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Disaggregation of Revenue [Line Items]
Total revenue	$ 6,992	$ 6,723
License [Member]
Disaggregation of Revenue [Line Items]
Total revenue	1,072	1,222
Hardware [Member]
Disaggregation of Revenue [Line Items]
Total revenue	468	1,604
Product [Member]
Disaggregation of Revenue [Line Items]
Total revenue	1,540	2,826
Maintenance and Support [Member]
Disaggregation of Revenue [Line Items]
Total revenue	3,091	2,939
Professional Services and Other [Member]
Disaggregation of Revenue [Line Items]
Total revenue	2,361	958
Service [Member]
Disaggregation of Revenue [Line Items]
Total revenue	$ 5,452	$ 3,897