Annual report pursuant to Section 13 and 15(d)

Note 15 - Stock-based Compensation (Details Textual)

v3.20.2
Note 15 - Stock-based Compensation (Details Textual)
12 Months Ended
Aug. 27, 2019
shares
Apr. 09, 2019
Jun. 27, 2018
Mar. 31, 2020
USD ($)
shares
Mar. 31, 2020
CAD ($)
Mar. 31, 2019
USD ($)
shares
Mar. 31, 2019
CAD ($)
Mar. 31, 2020
CAD ($)
shares
Aug. 26, 2019
shares
Mar. 31, 2019
CAD ($)
shares
Stock Option Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares) 11,719,910               5,494,209  
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum   15.00% 15.00%              
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year) 10 years                  
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum Per Person 200.00%                  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total       $ 1,992,002   $ 468,698   $ 2,801,154   $ 608,840
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)       1 year 146 days 1 year 146 days 1 year 91 days 1 year 91 days      
Stock Option Plan [Member] | Research and Development Expense [Member]                    
Share-based Payment Arrangement, Expense       $ 442,975 $ 592,469 $ 183,636 $ 240,802      
Stock Option Plan [Member] | General and Administrative Expense [Member]                    
Share-based Payment Arrangement, Expense       1,510,026 $ 2,021,361 593,555 $ 779,059      
Stock Option Plan [Member] | Consultant [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum Per Person 2.00%                  
Stock Option Plan [Member] | Related Party [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum Per Person 2.00%                  
Equity Incentive Plan [Member]                    
Share-based Payment Arrangement, Expense | $       $ 0   $ 0        
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number, Ending Balance (in shares)       0   0   0   0