Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - Additional Information (Detail)

v3.8.0.1
Related Party Transactions - Additional Information (Detail) - USD ($)
 9 Months Ended 12 Months Ended
Jan. 31, 2018
Nov. 08, 2017
Jul. 28, 2017
Jul. 26, 2017
Feb. 28, 2018
May 31, 2017
Related Party Transaction [Line Items]            
Aggregate principal and unpaid accrued interest note payment         $ 259,157  
Private Equity Offering            
Related Party Transaction [Line Items]            
Proceeds from private equity offering         $ 17,600,000 $ 729,500
Warrants to purchase common shares, shares         35,286,904  
Exercise price of warrants, per share         $ 0.75 $ 1.00
Purchase of shares of common stock         35,286,904 729,500
Alpha Venture Capital Partners, L.P.            
Related Party Transaction [Line Items]            
Warrants to purchase common shares, shares     33,333      
Exercise price of warrants, per share     $ 1.00      
Alpha Venture Capital Partners, L.P. | Direct Offering            
Related Party Transaction [Line Items]            
Warrants to purchase common shares, shares 66,667          
Purchase of shares of common stock 103,586          
Alpha Venture Capital Partners, L.P. | Short Term Convertible Promissory Notes            
Related Party Transaction [Line Items]            
Purchased short term convertible promissory note interest     7.00%      
Proceeds from private equity offering     $ 50,000      
Alpha Venture Capital Partners, L.P. | Short Term Convertible Promissory Notes | Direct Offering            
Related Party Transaction [Line Items]            
Aggregate principal and unpaid accrued interest note payment $ 51,793          
Jordan G. Naydenov | Private Equity Offering            
Related Party Transaction [Line Items]            
Warrants to purchase common shares, shares       66,666    
Exercise price of warrants, per share       $ 1.00    
Jordan G. Naydenov | Direct Offering            
Related Party Transaction [Line Items]            
Warrants to purchase common shares, shares 133,334          
Purchase of shares of common stock 207,248          
Jordan G. Naydenov | Short Term Convertible Promissory Notes | Private Equity Offering            
Related Party Transaction [Line Items]            
Purchased short term convertible promissory note interest       7.00%    
Proceeds from private equity offering       $ 100,000    
Jordan G. Naydenov | Short Term Convertible Promissory Notes | Direct Offering            
Related Party Transaction [Line Items]            
Aggregate principal and unpaid accrued interest note payment $ 103,624          
Anthony D Caracciolo            
Related Party Transaction [Line Items]            
Warrants to purchase common shares, shares           333,333
Exercise price of warrants, per share           $ 1.00
Anthony D Caracciolo | Private Equity Offering            
Related Party Transaction [Line Items]            
Stock and warrants issued during period value common stock and warrants   $ 100,000        
Anthony D Caracciolo | Direct Offering            
Related Party Transaction [Line Items]            
Warrants to purchase common shares, shares 1,333,334          
Purchase of shares of common stock 2,093,972          
Anthony D Caracciolo | Short Term Convertible Promissory Notes            
Related Party Transaction [Line Items]            
Purchased short term convertible promissory note interest           7.00%
Proceeds from private equity offering           $ 1,000,000
Anthony D Caracciolo | Short Term Convertible Promissory Notes | Direct Offering            
Related Party Transaction [Line Items]            
Aggregate principal and unpaid accrued interest note payment $ 1,046,986