Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivables, Contract Assets, and Contract Liabilities - Schedule of Changes in Deferred Revenue (Detail)

v3.22.2.2
Accounts Receivables, Contract Assets, and Contract Liabilities - Schedule of Changes in Deferred Revenue (Detail)
$ in Thousands
 6 Months Ended
Jul. 31, 2022
USD ($)
Deferred Revenue, Current [Member]  
Accounts Notes And Loans Receivable [Line Items]  
Balance $ 3,947
Increase 160
Balance 4,107
Deferred Revenue, Long-Term [Member]  
Accounts Notes And Loans Receivable [Line Items]  
Balance 77
Increase (15)
Balance $ 62