Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Note 16 - Share-based Payments (Tables)

v3.8.0.1
Note 16 - Share-based Payments (Tables)
12 Months Ended
Mar. 31, 2018
Statement Line Items [Line Items]  
Disclosure of number and weighted average exercise prices of share options [text block]
      March 31, 2018       Thirteen-month period ended
March 31, 2017
 
      Weighted average
exercise price
      Number of
options
      Weighted average
exercise price
      Number of
options
 
      $               $          
Outstanding at beginning of period    
2.58
     
1,424,788
     
13.52
     
454,151
 
Granted    
1.75
     
1,121,500
     
1.69
     
1,300,400
 
Forfeited    
1.89
     
(199,800
)    
13.27
     
(190,138
)
Expired    
18.06
     
(62,100
)    
15.38
     
(139,625
)
Outstanding at end of period    
1.81
     
2,284,388
     
2.58
     
1,424,788
 
                                 
Exercisable at end of period    
1.92
     
591,113
     
6.44
     
238,482
 
      Month ended
March 31, 2017
      Twelve-month period ended
February 28, 2017
 
      (Unaudited)       (Unaudited)  
      Weighted average
exercise price
      Number of
options
      Weighted average
exercise price
      Number of
options
 
      $               $          
Outstanding at beginning of period    
2.59
     
1,427,288
     
13.52
     
454,151
 
Granted    
     
     
1.69
     
1,300,400
 
Forfeited    
11.50
     
(2,500
)    
13.29
     
(187,638
)
Expired    
     
     
15.38
     
(139,625
)
Outstanding at end of period    
2.58
     
1,424,788
     
2.59
     
1,427,288
 
                                 
Exercisable at end of period    
6.44
     
238,482
     
6.49
     
240,982
 
      February 29, 2016  
      Weighted average
exercise price
      Number of
options
 
      $          
Outstanding at beginning of period    
15.33
     
429,625
 
Granted    
4.65
     
109,188
 
Exercised    
2.50
     
(250
)
Forfeited    
9.40
     
(66,912
)
Expired    
18.57
     
(17,500
)
Outstanding at end of period    
13.52
     
454,151
 
                 
Exercisable at end of period    
15.28
     
375,563
 
Disclosure of indirect measurement of fair value of goods or services received, share options granted during period [text block]
              Thirteen-month
period ended
      Twelve-month
Period ended
         
      March 31, 2018       March 31, 2017       February 28, 2017
(Unaudited)
      February 29, 2016  
                                 
Exercise price    
$1.75
     
$1.69
     
$1.69
     
$4.65
 
Share price    
$1.75
     
$1.69
     
$1.69
     
$4.65
 
Dividend    
     
     
     
 
Risk-free interest    
1.21
%    
0.87
%    
0.87
%    
0.66
%
Estimated life (in years)    
5.89
     
4.94
     
4.94
     
4.20
 
Expected volatility    
82.4
%    
123.5
%    
123.5
%    
65.63
%
Disclosure of range of exercise prices of outstanding share options [text block]
 
 
 
 
March 31, 2018
 
 
 
 
Options outstanding
 
Exercisable options
Exercise price
 
 
Weighted remaining
contractual life
outstanding
 
 
 
Number of options
outstanding
 
 
 
Weighted average
exercise price
$
 
 
 
Number of options
exercisable
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
$1.56
-
$1.58
 
 
5.11
 
 
 
525,000
 
 
 
1.56
 
 
 
306,250
 
$1.59
-
$1.71
 
 
8.90
 
 
 
415,000
 
 
 
1.65
 
 
 
141,667
 
$1.72
-
$1.88
 
 
9.20
 
 
 
992,500
 
 
 
-
 
 
 
-
 
$1.89
-
$2.25
 
 
5.16
 
 
 
286,700
 
 
 
1.99
 
 
 
95,568
 
$2.26
-
$6.50
 
 
3.67
 
 
 
65,188
 
 
 
4.87
 
 
 
47,628
 
 
 
 
 
 
7.54
 
 
 
2,284,388
 
 
 
1.92
 
 
 
591,113