Quarterly report pursuant to Section 13 or 15(d)

Revenues from Contracts with Customers - Schedule of Revenue Disaggregated by Revenue Stream (Detail)

v3.20.1
Revenues from Contracts with Customers - Schedule of Revenue Disaggregated by Revenue Stream (Detail) - USD ($)
$ in Thousands
3 Months Ended
Apr. 30, 2020
Apr. 30, 2019
Disaggregation Of Revenue [Line Items]    
Total revenue $ 6,915 $ 8,485
Product [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 3,098 1,179
Professional Services [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 1,171 2,081
Maintenance [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue $ 2,646 $ 5,225