Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Additional Information (Detail)

v3.20.2
Stockholders' Equity - Additional Information (Detail) - USD ($)
1 Months Ended 12 Months Ended
Jun. 26, 2020
Aug. 16, 2019
Jun. 05, 2019
Sep. 30, 2014
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2016
Aug. 14, 2020
Jul. 31, 2020
Jun. 05, 2020
May 07, 2019
Jun. 30, 2018
Class Of Stock [Line Items]                        
Convertible preferred stock         25,000 207,500            
Preferred stock, par value         $ 0.001 $ 0.001            
Preferred stock special voting shares issued         0 1            
Common stock, par value   $ 0.001     $ 0.001 $ 0.001         $ 0.001  
Common stock, shares issued         11,457,928 3,839,358            
Underwritten public offering, description         The Company closed on the sale of (i) 4,895,000 shares of its common stock, par value $0.001 per share (the “Common Stock”), (ii) pre-funded warrants (“PFW”) to purchase an aggregate of 2,655,000 shares of Common Stock and (iii) common warrants to purchase an aggregate of 7,762,500 shares of Common Stock (“2020 Investor Warrants”), including 800,000 shares of Common Stock and 2020 Investor Warrants to purchase an aggregate of 1,012,500 shares of Common Stock sold pursuant to a partial exercise by the underwriters of the underwriters’ option to purchase additional securities, in the Company’s underwritten public offering (the “Offering”). Each share of Common Stock or PFW, as applicable, was sold together with a 2020 Investor Warrant to purchase one share of Common Stock at a combined effective price to the public of $1.00 per share of Common Stock and accompanying 2020 Investor Warrant.              
Net proceeds from the exercise and exchange of warrants         $ 51,550 $ 720,165            
Derivative liability issue costs           126,186            
Shares issued for services         $ 13,396 $ 13,777            
Common stock issued under the 2017 Plan         491,817              
Number of options granted         1,291,016 30,000            
Number of options vested         499,748 83,170            
Stock options exercisable         701,691              
Performance stock units description           The PSUs vest at various fully diluted market capitalization levels with full vesting occurring upon the later of one year from the grant date and the Company achieving a fully diluted market capitalization of at least $500 million for five consecutive business days.            
Number of stock options outstanding         1,559,199              
Subsequent Event [Member]                        
Class Of Stock [Line Items]                        
Warrants exercise price                 $ 1.00      
Vest pro rata monthly over one year from the date of grant [Member]                        
Class Of Stock [Line Items]                        
Number of options vested         375,000              
Vest as to one-sixth on the six-month anniversary of the grant date [Member]                        
Class Of Stock [Line Items]                        
Number of options vested         666,016              
2017 Omnibus Incentive Plan [Member]                        
Class Of Stock [Line Items]                        
Common stock, shares issued           2,280,000            
Common stock, shares outstanding           164,235            
Common stock issued under the 2017 Plan         720,801 1,394,964            
Percentage of fully diluted shares of common stock           8.00%            
Number of options granted 549,199                      
Number of shares available under the plan 2,280,000                      
2017 Omnibus Incentive Plan [Member] | Subsequent Event [Member]                        
Class Of Stock [Line Items]                        
Number of shares available under the plan               6,700,000        
2017 Omnibus Incentive Plan [Member] | Officers and Directors [Member]                        
Class Of Stock [Line Items]                        
Legacy plan, description         the Company granted 1,041,016 stock options to officers and directors of the Company. Of the total stock options granted, 491,817 were granted under the previous 2017 Plan limit and 549,199 were granted subject to approval by the Company’s stockholders of the 2017 Plan share reserve increase. All of the stock options granted to officers and directors have an exercise price of $0.61 and expire on September 5, 2029. Of the 1,041,016 stock options granted, 375,000 vest pro rata monthly over one year from the date of grant and 666,016 vest as to one-sixth on the six-month anniversary of the grant date with the remaining five-sixths vesting pro rate monthly over 30 months commencing on the seven-month anniversary of the grant date.              
Number of options granted         1,041,016              
Stock options [Member]                        
Class Of Stock [Line Items]                        
Number of options granted         1,291,016 30,000            
Number of stock options outstanding         1,559,199 288,183           262,683
Aggregate intrinsic value of stock options outstanding         $ 79,554 $ 0            
Aggregate intrinsic value of stock options exercisable         34,847 0            
Unrecognized compensation expense         $ 177,442              
Unrecognized compensation expense, term         1 year 6 months              
Aggregate intrinsic value of unvested stock options         $ 44,754 $ 0            
Weighted average contractual term         9 years 2 months 8 days 8 years 9 months 10 days            
Stock options [Member] | CA$ $20.00 Exercise Price                        
Class Of Stock [Line Items]                        
Number of stock options outstanding           2,500            
Stock options exercise price           $ 14.63            
Stock options [Member] | Subject to Stockholder Approval | Group One                        
Class Of Stock [Line Items]                        
Number of options granted         549,199              
Exercisable price         $ 0.61              
Stock options [Member] | Subject to Stockholder Approval | Group Two                        
Class Of Stock [Line Items]                        
Exercisable price         $ 0.735              
Stock options exercisable         250,000              
Performance stock units [Member]                        
Class Of Stock [Line Items]                        
Fully diluted market capitalization           $ 500,000,000            
Recognized expense related to the PSUs           526,141            
Expense related to the PSU's           322,877            
Unrecognized compensation expense           $ 0            
2019 Registered Offering                        
Class Of Stock [Line Items]                        
Issued warrants to underwriters     1,170,000                  
Common stock, par value     $ 3.10                  
Warrants exercise price     $ 3.10                  
Additional warrants purchase     760,500                  
Gross proceeds of cash     $ 3,600,000                  
Warrant term     5 years                  
Sale of stock, description     Under the Company’s engagement agreement with the placement agent, the Company paid $290,160 in cash commission and other fees to the placement agent and issued warrants to purchase 46,800 shares of common stock to the placement agent (the “2019 Agent Warrants”). Commencing December 3, 2019, the 2019 Agent Warrants are exercisable at $3.875 per share until June 3, 2024.                  
Derivative liability issue costs     $ 151,585                  
Net proceeds of cash     $ 3,185,255                  
Common stock                        
Class Of Stock [Line Items]                        
Series B preferred stock dividend, shares         14,800 18,271            
Conversion of Series B preferred stock to common stock, shares         6,250 51,876            
Issued warrants to underwriters   4,895,000     4,895,000 1,170,000            
Warrants exercise price   $ 1.00                    
Shares issued for services, shares         22,520 3,444            
Shares issued for services         $ 23 $ 3            
Pre-Funded Warrants                        
Class Of Stock [Line Items]                        
Issued warrants to underwriters   2,655,000     2,655,000              
Warrants exercise price   $ 0.01     $ 0.01              
Expiry date   Aug. 16, 2019                    
Net proceeds from the exercise and exchange of warrants         $ 26,550              
2020 Investor Warrant                        
Class Of Stock [Line Items]                        
Issued warrants to underwriters   7,762,500                    
Common stock, shares issued   800,000                    
Warrants to purchase common stock   1,012,500                    
Warrants exercise price   $ 1.00                    
Underwriting discounts and commissions amount   $ 6,582,966                    
Expiry date   Aug. 16, 2024                    
2020 Investor Warrant | Underwriting Offering                        
Class Of Stock [Line Items]                        
Issued warrants to underwriters   377,500                    
Warrants exercise price   $ 1.15                    
Expiry date   Aug. 14, 2022                    
Underwriter warrants commencing date   Feb. 10, 2020                    
Warrants                        
Class Of Stock [Line Items]                        
Issued warrants to underwriters         10,309,456              
Warrants exercise price         $ 1.00         $ 3.875    
Net proceeds from the exercise and exchange of warrants         $ 720,165              
Warrants | 2019 Agent                        
Class Of Stock [Line Items]                        
Issued warrants to underwriters         46,800              
Warrants exercise price         $ 3.875              
Expiry date         Jun. 03, 2024              
Warrants | 2019 Registered Offering | 2019 Agent                        
Class Of Stock [Line Items]                        
Warrants exercise price     $ 3.875                  
Expiry date     Jun. 03, 2024                  
Cash commission and other fees to the placement agent     $ 290,160                  
Warrants issued     46,800                  
Preferred Stock Series B                        
Class Of Stock [Line Items]                        
Preferred stock, rate of dividend             9.00%          
Purchase price of shares             $ 8.00          
Convertible preferred stock             0.25          
Conversion price             $ 32.00          
Issue of shares             902,238          
Bid price             $ 80.00          
Final closing date             5 years          
Liquidation value         $ 5,188,904              
Conversion of Series B preferred stock to common stock, shares         162,177 168,427            
Direct increase in accumulated deficit         $ 8,616 $ 80,431            
Preferred stock, shares outstanding         648,613 673,613            
Preferred Stock, shares issued         648,613 673,613            
Common stock                        
Class Of Stock [Line Items]                        
Series B preferred stock dividend, shares         14,800 18,271            
Conversion of Series B preferred stock to common stock, shares         6,250 51,876            
Preferred Stock Series A                        
Class Of Stock [Line Items]                        
Preferred stock, rate of dividend       300.00%                
Liquidation value         $ 278,530              
Preferred stock, shares outstanding         278,530 278,530            
Preferred Stock, shares issued         278,530 278,530            
Change in preferred stock         $ 0 $ 0            
Preferred Stock Series A | Exchange Agreement                        
Class Of Stock [Line Items]                        
Preferred stock, rate of dividend       3.00%                
Preferred stock, par value       $ 1.00                
Preferred Stock, shares issued       278,530