Annual report pursuant to Section 13 and 15(d)

Note 15 - Stock-based Compensation - Activities Within the Stock Option Plan (Details)

v3.20.2
Note 15 - Stock-based Compensation - Activities Within the Stock Option Plan (Details)
12 Months Ended
Mar. 31, 2020
$ / shares
shares
Mar. 31, 2020
$ / shares
$ / shares
shares
Mar. 31, 2019
$ / shares
shares
Mar. 31, 2019
$ / shares
shares
Granted, number of options (in shares) | shares 6,140,517 6,140,517    
Granted, weighted average fair value (in CAD per share) $ 0.85      
Stock Option Plan [Member]        
Outstanding, number of options (in shares) | shares 4,046,677 4,046,677 2,284,388 2,284,388
Outstanding, weighted average exercise price (in CAD per share) $ 1.25   $ 1.81  
Outstanding, weighted average fair value (in CAD per share) $ 0.81   $ 1.16  
Granted, number of options (in shares) | shares 6,140,517 6,140,517 2,173,523 2,173,523
Granted, weighted average exercise price (in CAD per share) $ 0.85   $ 0.77  
Granted, weighted average fair value (in CAD per share) $ 0.85   $ 0.51  
Exercised, number of options (in shares) | shares (54,625) (54,625) (4,167) (4,167)
Exercised, weighted average exercise price (in CAD per share) $ 1.11   $ 0.77  
Exercised, weighted average fair value (in CAD per share) $ 0.79   $ 0.55  
Forfeited, number of options (in shares) | shares (188,583) (188,583) (407,067) (407,067)
Forfeited, weighted average exercise price (in CAD per share) $ 1.64   $ 1.84  
Forfeited, weighted average fair value (in CAD per share) $ 1.16   $ 1.21  
Expired, number of options (in shares) | shares     (7,500) (7,500)
Expired, weighted average exercise price (in CAD per share)     $ 6.50  
Expired, weighted average fair value (in CAD per share)     $ 3.02  
Outstanding, number of options (in shares) | shares 9,936,486 9,936,486 4,046,677 4,046,677
Outstanding, weighted average exercise price (in CAD per share) $ 1   $ 1.25  
Outstanding, weighted average fair value (in CAD per share) $ 0.83   $ 0.81  
Exercisable, number of options (in shares) | shares 3,172,234 3,172,234    
Exercisable, weighted average exercise price (in CAD per share) $ 1.34 $ 1.34    
Exercisable, weighted average fair value (in CAD per share) $ 0.98      
Stock Option Plan [Member] | Directors and Employees [Member]        
Granted, weighted average fair value (in CAD per share)   $ 0.85   $ 0.51