Annual report pursuant to Section 13 and 15(d)

Note 15 - Stock-based Compensation - Outstanding and Exercisable Options (Details)

v3.20.2
Note 15 - Stock-based Compensation - Outstanding and Exercisable Options (Details)
12 Months Ended
Mar. 31, 2020
$ / shares
shares
Exercise price (in CAD per share) | $ / shares
Weighted average remaining contractual life (Day)
Number of options outstanding (in shares) 9,936,486
Number of options exercisable (in shares) 3,172,234
Exercise Price Range 1 [Member]  
Exercise price (in CAD per share) | $ / shares $ 0.53
Weighted average remaining contractual life (Day) 10 days
Number of options outstanding (in shares) 3,836,000
Number of options exercisable (in shares)
Exercise Price Range 2 [Member]  
Exercise price (in CAD per share) | $ / shares $ 0.77
Weighted average remaining contractual life (Day) 8 days
Number of options outstanding (in shares) 1,862,106
Number of options exercisable (in shares) 1,012,674
Exercise Price Range 3 [Member]  
Exercise price (in CAD per share) | $ / shares $ 0.78
Weighted average remaining contractual life (Day) 8 days
Number of options outstanding (in shares) 200,000
Number of options exercisable (in shares) 100,000
Exercise Price Range 4 [Member]  
Exercise price (in CAD per share) | $ / shares $ 0.91
Weighted average remaining contractual life (Day) 8 days
Number of options outstanding (in shares) 50,000
Number of options exercisable (in shares) 20,833
Exercise Price Range 5 [Member]  
Exercise price (in CAD per share) | $ / shares $ 1.28
Weighted average remaining contractual life (Day) 9 days
Number of options outstanding (in shares) 1,991,059
Number of options exercisable (in shares) 540,573
Exercise Price Range 6 [Member]  
Exercise price (in CAD per share) | $ / shares $ 1.46
Weighted average remaining contractual life (Day) 9 days
Number of options outstanding (in shares) 150,000
Number of options exercisable (in shares) 37,500
Exercise Price Range 7 [Member]  
Exercise price (in CAD per share) | $ / shares $ 1.56
Weighted average remaining contractual life (Day) 3 days
Number of options outstanding (in shares) 525,000
Number of options exercisable (in shares) 525,000
Exercise Price Range 8 [Member]  
Exercise price (in CAD per share) | $ / shares $ 1.65
Weighted average remaining contractual life (Day) 6 days
Number of options outstanding (in shares) 123,333
Number of options exercisable (in shares) 123,333
Exercise Price Range 9 [Member]  
Exercise price (in CAD per share) | $ / shares $ 1.77
Weighted average remaining contractual life (Day) 7 days
Number of options outstanding (in shares) 747,500
Number of options exercisable (in shares) 498,333
Exercise Price Range 10 [Member]  
Exercise price (in CAD per share) | $ / shares $ 1.99
Weighted average remaining contractual life (Day) 3 days
Number of options outstanding (in shares) 265,700
Number of options exercisable (in shares) 265,700
Exercise Price Range 11 [Member]  
Exercise price (in CAD per share) | $ / shares $ 2.82
Weighted average remaining contractual life (Day) 9 days
Number of options outstanding (in shares) 150,000
Number of options exercisable (in shares) 12,500
Exercise Price Range 12 [Member]  
Exercise price (in CAD per share) | $ / shares $ 4.50
Weighted average remaining contractual life (Day) 2 days
Number of options outstanding (in shares) 22,500
Number of options exercisable (in shares) 22,500
Exercise Price Range 13 [Member]  
Exercise price (in CAD per share) | $ / shares $ 4.80
Weighted average remaining contractual life (Day) 2 days
Number of options outstanding (in shares) 13,288
Number of options exercisable (in shares) 13,288