Quarterly report pursuant to Section 13 or 15(d)

Nature of Business and Basis of Presentation - Additional Information (Detail)

v3.21.2
Nature of Business and Basis of Presentation - Additional Information (Detail) - USD ($)
 6 Months Ended
Jul. 31, 2021
Jan. 31, 2021
Significant Accounting Policies [Line Items]    
Common stock, shares issued 49,212,173 37,811,224
Common stock, par value $ 0.01 $ 0.01
Proceeds from issuance of common stock, net of issuance costs $ 17,462,000  
Promissory Note with Silicon Valley Bank [Member] | PPP [Member] | COVID-19 [Member]    
Significant Accounting Policies [Line Items]    
Aggregate principal amount of unsecured loan 2,412,890  
Interest accrued $ 27,145  
Debt instrument interest rate 1.00%  
Termination Agreement [Member]    
Significant Accounting Policies [Line Items]    
Common stock, shares issued 10,323,484  
Common stock, par value $ 0.01  
Share price $ 1.85  
Proceeds from issuance of common stock, net of issuance costs $ 17,500,000  
Percentage of underwriters discounts and commission 6.50%  
Share price of underwriters discounts and commission $ 0.12025  
Offering Expenses $ 200,000  
Underwriters purchase option period 45 days  
Sale of stock, number of shares issued in transaction 1,548,522