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 ($)
 3 Months Ended 9 Months Ended
Apr. 30, 2021
Oct. 31, 2021
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    
Proceeds from issuance of common stock, net of issuance costs   $ 17,462,000    
Number of consecutive business day below closing minimum bid requirement   30 days    
Minimum bid price requirement   $ 1.00    
Period granted to regain compliance with minimum bid requirement   180 days    
Additional period to be granted If fails to regain compliance with minimum bid requirement prior to expiration period   180 days    
Nasdaq stock trading price description   the Company has been given 180 calendar days, or until June 6, 2022, to regain compliance with the Minimum Bid Price Requirement.  If at any time before June 6, 2022, the bid price of the Company’s common stock closes at $1.00 per share or more for a minimum of 10 consecutive business days, the Staff will provide written confirmation that the Company has achieved compliance    
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 $ 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