Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.1
Nature of Business and Basis of Presentation - Additional Information (Detail) - USD ($)
 3 Months Ended
May 05, 2020
Apr. 30, 2021
Jan. 31, 2021
Significant Accounting Policies [Line Items]      
Common stock, shares issued   48,408,342 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 princial amout of unsecured loan $ 2,412,890    
Fixed interest rate 1.00%    
Initial term 2 years    
Maturity date May 05, 2022    
Payment terms, Description Beginning on the seventeen-month anniversary of the date of the Note, the Company is required to make equal monthly payments of principal and interest.    
Prepayment penalties $ 0    
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