Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Additional Information (Detail)

v3.22.1
Significant Accounting Policies - Additional Information (Detail)
3 Months Ended 12 Months Ended
Aug. 01, 2021
USD ($)
Apr. 30, 2022
USD ($)
Customer
Apr. 30, 2021
USD ($)
Customer
Jan. 31, 2022
Customer
Jan. 31, 2021
USD ($)
Significant Accounting Policies [Line Items]          
Goodwill impairment $ 0        
Impairment costs   $ 0     $ 0
Deferred capitalized commission costs   260,000     $ 297,000
Amortization expense   37,000 $ 49,000    
COVID-19 [Member]          
Significant Accounting Policies [Line Items]          
Goodwill impairment   $ 0 $ 0    
Customer Concentration Risk [Member] | Total Revenue [Member]          
Significant Accounting Policies [Line Items]          
Number of customers accounted | Customer   1 2    
Customer Concentration Risk [Member] | Total Revenue [Member] | Customer One [Member]          
Significant Accounting Policies [Line Items]          
Concentration risk percentage   26.00% 18.00%    
Customer Concentration Risk [Member] | Total Revenue [Member] | Customer Two [Member]          
Significant Accounting Policies [Line Items]          
Concentration risk percentage     16.00%    
Credit Concentration Risk [Member] | Accounts Receivable [Member]          
Significant Accounting Policies [Line Items]          
Number of customers accounted | Customer   1   2  
Credit Concentration Risk [Member] | Accounts Receivable [Member] | Customer One [Member]          
Significant Accounting Policies [Line Items]          
Concentration risk percentage       10.00%  
Credit Concentration Risk [Member] | Accounts Receivable [Member] | Customer Two [Member]          
Significant Accounting Policies [Line Items]          
Concentration risk percentage   11.00%