Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Additional Information (Detail)

v3.22.2.2
Significant Accounting Policies - Additional Information (Detail)
3 Months Ended 6 Months Ended 12 Months Ended
Jul. 31, 2022
USD ($)
Customer
Jul. 31, 2021
USD ($)
Customer
Jul. 31, 2022
USD ($)
Customer
Jul. 31, 2021
USD ($)
Customer
Jan. 31, 2022
USD ($)
Customer
Significant Accounting Policies [Line Items]          
Goodwill impairment $ 5,843,000 $ 0 $ 5,843,000 $ 0  
Non-cash goodwill impairment charge 5,800,000   5,800,000    
Impairment costs     0   $ 0
Deferred capitalized commission costs 225,000   225,000   $ 297,000
Amortization expense $ 34,000 $ 74,000 $ 71,000 $ 123,000  
Customer Concentration Risk [Member] | Total Revenue [Member]          
Significant Accounting Policies [Line Items]          
Number of customers accounted | Customer 1 3 2 3  
Customer Concentration Risk [Member] | Total Revenue [Member] | Customer One [Member]          
Significant Accounting Policies [Line Items]          
Concentration risk percentage 24.00% 15.00% 16.00% 14.00%  
Customer Concentration Risk [Member] | Total Revenue [Member] | Customer Two [Member]          
Significant Accounting Policies [Line Items]          
Concentration risk percentage   15.00% 13.00% 10.00%  
Customer Concentration Risk [Member] | Total Revenue [Member] | Customer Three [Member]          
Significant Accounting Policies [Line Items]          
Concentration risk percentage   12.00%   10.00%  
Credit Concentration Risk [Member] | Accounts Receivable [Member]          
Significant Accounting Policies [Line Items]          
Number of customers accounted | Customer     2   2
Credit Concentration Risk [Member] | Accounts Receivable [Member] | Customer One [Member]          
Significant Accounting Policies [Line Items]          
Concentration risk percentage     12.00%   10.00%
Credit Concentration Risk [Member] | Accounts Receivable [Member] | Customer Two [Member]          
Significant Accounting Policies [Line Items]          
Concentration risk percentage     10.00%   10.00%